From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 6C955CCF9E4 for ; Sat, 18 Oct 2025 08:51:14 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 163E910E3F3; Sat, 18 Oct 2025 08:50:58 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="VAGVlPZh"; dkim-atps=neutral Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by gabe.freedesktop.org (Postfix) with ESMTPS id A6A6210EC3B; Fri, 17 Oct 2025 13:48:54 +0000 (UTC) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 1C91064377; Fri, 17 Oct 2025 13:48:54 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7C25FC16AAE; Fri, 17 Oct 2025 13:48:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1760708933; bh=5Po0jPJuYXl4UtKLQzL3J5oqgd696Ng56D52ztzrN4Q=; h=Subject:To:Cc:From:Date:In-Reply-To:From; b=VAGVlPZhSU55SWD6d8vTrJjWDjWo+VcWtuR4/3aFhCVTFzdc3YOAL53ZH0X4huMb6 WtCREdJOglX1WiGPbXSWDbOsDfHn2nIfk2vURwACSxs4UGSa9rgJlbrAJdmPZavaFf mlAAzAvF2W+mckc+bEKDEMYxl7HvR3zQBOZ0ryeQ= Subject: Patch "minmax: deduplicate __unconst_integer_typeof()" has been added to the 5.10-stable tree To: David.Laight@ACULAB.COM, Jason@zx2c4.com, adilger.kernel@dilger.ca, agk@redhat.com, airlied@linux.ie, akpm@linux-foundation.org, alexander.deucher@amd.com, alexandre.torgue@st.com, amd-gfx@lists.freedesktop.org, andriy.shevchenko@linux.intel.com, anton.ivanov@cambridgegreys.com, artur.paszkiewicz@intel.com, bp@alien8.de, brian.starkey@arm.com, bvanassche@acm.org, chao@kernel.org, christian.koenig@amd.com, clm@fb.com, coreteam@netfilter.org, daniel@ffwll.ch, dave.hansen@linux.intel.com, davem@davemloft.net, dm-devel@redhat.com, dmitry.torokhov@gmail.com, dri-devel@lists.freedesktop.org, dsterba@suse.com, dushistov@mail.ru, evan.quan@amd.com, farbere@amazon.com, fery@cypress.com, freedreno@lists.freedesktop.org, fw@strlen.de, gregkh@linuxfoundation.org, harry.wentland@amd.com, hdegoede@redhat.com, herve.codina@bootlin.com, hpa@zytor.com, intel-linux-scu@intel.com, jack@suse.com, james.morse@arm.com, james.qian.wang@arm.com, jdelvare@suse.com, jdike@addtoit.com, jejb@linux.ibm.com, jmaloy@redhat.com, joabreu@synopsys.com, josef@toxicpanda.com, kadlec@netfilter.org, kbusch@kernel.org, keescook@chromium.org, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-arm-kernel@lists.infradead.org, linux-erofs@lists.ozlabs.org, linux-mm@kvack.org, linux-staging@lists.linux.dev, linux-stm32@st-md-mailman.stormreply.com, linux-um@lists.infradead.org, linux@armlinux.org.uk, linux@rasmusvillemoes.dk, linux@roeck-us.net, liviu.dudau@arm.com, luc.vanoostenryck@gmail.com, luto@kernel.org, maarten.lankhorst@linux.intel.com, malattia@linux.it, martin.petersen@oracle.com, mchehab@kernel.org, mcoquelin.stm32@gmail.com, mgross@linux.intel.com, mihail.atanassov@arm.com, minchan@kernel.org, mingo@redhat.com, mripard@kernel.org, nathan@kernel.org, ndesaulniers@google.com, ngupta@vflare.org, pablo@netfilter.org, peppe.cavallaro@st.com, peterz@infradead.org, pmladek@suse.com, qiuxu.zhuo@intel.com, rajur@chelsio.com, richard@nod.at, robdclark@gmail.com, rostedt@goodmis.org, rric@kernel.org, ruanjinjie@huawei.com, sakari.ailus@linux.intel.com, sashal@kernel.org, sean@poorly.run, serge@freedesktop.org, y.senozhatsky@gmail.com, snitzer@redhat.com, sunpeng.li@amd.com, tglx@linutronix.de, tipc-discussion@lists.sourceforge.net, tony.luck@intel.com, tytso@mit.edu, tzimmermann@suse.de, willy@infradead.org, x86@kernel.org, xiang@kernel.org, ying.xue@windriver.com, yoshfuji@linux-ipv6.org Cc: From: Date: Fri, 17 Oct 2025 15:48:29 +0200 In-Reply-To: <20251017090519.46992-8-farbere@amazon.com> Message-ID: <2025101729-boogieman-eatable-8d3e@gregkh> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit X-stable: commit X-Patchwork-Hint: ignore X-Mailman-Approved-At: Sat, 18 Oct 2025 08:50:54 +0000 X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" This is a note to let you know that I've just added the patch titled minmax: deduplicate __unconst_integer_typeof() to the 5.10-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: minmax-deduplicate-__unconst_integer_typeof.patch and it can be found in the queue-5.10 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >From prvs=378230090=farbere@amazon.com Fri Oct 17 11:07:56 2025 From: Eliav Farber Date: Fri, 17 Oct 2025 09:04:59 +0000 Subject: minmax: deduplicate __unconst_integer_typeof() To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Message-ID: <20251017090519.46992-8-farbere@amazon.com> From: Andy Shevchenko [ Upstream commit 5e57418a2031cd5e1863efdf3d7447a16a368172 ] It appears that compiler_types.h already have an implementation of the __unconst_integer_typeof() called __unqual_scalar_typeof(). Use it instead of the copy. Link: https://lkml.kernel.org/r/20230911154913.4176033-1-andriy.shevchenko@linux.intel.com Signed-off-by: Andy Shevchenko Acked-by: Herve Codina Signed-off-by: Andrew Morton Signed-off-by: Eliav Farber Signed-off-by: Greg Kroah-Hartman --- include/linux/minmax.h | 26 +++----------------------- 1 file changed, 3 insertions(+), 23 deletions(-) --- a/include/linux/minmax.h +++ b/include/linux/minmax.h @@ -2,6 +2,7 @@ #ifndef _LINUX_MINMAX_H #define _LINUX_MINMAX_H +#include #include #include @@ -152,27 +153,6 @@ #define max_t(type, x, y) __careful_cmp((type)(x), (type)(y), >) /* - * Remove a const qualifier from integer types - * _Generic(foo, type-name: association, ..., default: association) performs a - * comparison against the foo type (not the qualified type). - * Do not use the const keyword in the type-name as it will not match the - * unqualified type of foo. - */ -#define __unconst_integer_type_cases(type) \ - unsigned type: (unsigned type)0, \ - signed type: (signed type)0 - -#define __unconst_integer_typeof(x) typeof( \ - _Generic((x), \ - char: (char)0, \ - __unconst_integer_type_cases(char), \ - __unconst_integer_type_cases(short), \ - __unconst_integer_type_cases(int), \ - __unconst_integer_type_cases(long), \ - __unconst_integer_type_cases(long long), \ - default: (x))) - -/* * Do not check the array parameter using __must_be_array(). * In the following legit use-case where the "array" passed is a simple pointer, * __must_be_array() will return a failure. @@ -186,13 +166,13 @@ * 'int *buff' and 'int buff[N]' types. * * The array can be an array of const items. - * typeof() keeps the const qualifier. Use __unconst_integer_typeof() in order + * typeof() keeps the const qualifier. Use __unqual_scalar_typeof() in order * to discard the const qualifier for the __element variable. */ #define __minmax_array(op, array, len) ({ \ typeof(&(array)[0]) __array = (array); \ typeof(len) __len = (len); \ - __unconst_integer_typeof(__array[0]) __element = __array[--__len]; \ + __unqual_scalar_typeof(__array[0]) __element = __array[--__len];\ while (__len--) \ __element = op(__element, __array[__len]); \ __element; }) Patches currently in stable-queue which might be from farbere@amazon.com are queue-5.10/minmax-allow-comparisons-of-int-against-unsigned-char-short.patch queue-5.10/minmax-add-a-few-more-min_t-max_t-users.patch queue-5.10/minmax-improve-macro-expansion-and-type-checking.patch queue-5.10/minmax-fix-indentation-of-__cmp_once-and-__clamp_once.patch queue-5.10/minmax.h-simplify-the-variants-of-clamp.patch queue-5.10/minmax-add-in_range-macro.patch queue-5.10/minmax.h-move-all-the-clamp-definitions-after-the-min-max-ones.patch queue-5.10/minmax-allow-min-max-clamp-if-the-arguments-have-the-same-signedness.patch queue-5.10/minmax-don-t-use-max-in-situations-that-want-a-c-constant-expression.patch queue-5.10/minmax.h-remove-some-defines-that-are-only-expanded-once.patch queue-5.10/minmax.h-use-build_bug_on_msg-for-the-lo-hi-test-in-clamp.patch queue-5.10/minmax-simplify-min-max-clamp-implementation.patch queue-5.10/minmax-deduplicate-__unconst_integer_typeof.patch queue-5.10/minmax-simplify-and-clarify-min_t-max_t-implementation.patch queue-5.10/minmax.h-add-whitespace-around-operators-and-after-commas.patch queue-5.10/minmax-sanity-check-constant-bounds-when-clamping.patch queue-5.10/minmax-avoid-overly-complicated-constant-expressions-in-vm-code.patch queue-5.10/minmax-make-generic-min-and-max-macros-available-everywhere.patch queue-5.10/minmax-fix-up-min3-and-max3-too.patch queue-5.10/minmax.h-reduce-the-define-expansion-of-min-max-and-clamp.patch queue-5.10/minmax-fix-header-inclusions.patch queue-5.10/minmax-introduce-min-max-_array.patch queue-5.10/btrfs-remove-duplicated-in_range-macro.patch queue-5.10/overflow-tracing-define-the-is_signed_type-macro-once.patch queue-5.10/minmax-relax-check-to-allow-comparison-between-unsigned-arguments-and-signed-constants.patch queue-5.10/minmax-clamp-more-efficiently-by-avoiding-extra-comparison.patch queue-5.10/minmax.h-update-some-comments.patch From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 27371CCD19F for ; 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envelope-from=gregkh@linuxfoundation.org; receiver=lists.ozlabs.org) Received: from tor.source.kernel.org (tor.source.kernel.org [IPv6:2600:3c04:e001:324:0:1991:8:25]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4cp5lC6qbnz3cbg for ; Sat, 18 Oct 2025 00:48:55 +1100 (AEDT) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 1C91064377; Fri, 17 Oct 2025 13:48:54 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7C25FC16AAE; Fri, 17 Oct 2025 13:48:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1760708933; bh=5Po0jPJuYXl4UtKLQzL3J5oqgd696Ng56D52ztzrN4Q=; h=Subject:To:Cc:From:Date:In-Reply-To:From; b=VAGVlPZhSU55SWD6d8vTrJjWDjWo+VcWtuR4/3aFhCVTFzdc3YOAL53ZH0X4huMb6 WtCREdJOglX1WiGPbXSWDbOsDfHn2nIfk2vURwACSxs4UGSa9rgJlbrAJdmPZavaFf mlAAzAvF2W+mckc+bEKDEMYxl7HvR3zQBOZ0ryeQ= Subject: Patch "minmax: deduplicate __unconst_integer_typeof()" has been added to the 5.10-stable tree To: David.Laight@ACULAB.COM, Jason@zx2c4.com, adilger.kernel@dilger.ca, agk@redhat.com, airlied@linux.ie, akpm@linux-foundation.org, alexander.deucher@amd.com, alexandre.torgue@st.com, amd-gfx@lists.freedesktop.org, andriy.shevchenko@linux.intel.com, anton.ivanov@cambridgegreys.com, artur.paszkiewicz@intel.com, bp@alien8.de, brian.starkey@arm.com, bvanassche@acm.org, chao@kernel.org, christian.koenig@amd.com, clm@fb.com, coreteam@netfilter.org, daniel@ffwll.ch, dave.hansen@linux.intel.com, davem@davemloft.net, dm-devel@redhat.com, dmitry.torokhov@gmail.com, dri-devel@lists.freedesktop.org, dsterba@suse.com, dushistov@mail.ru, evan.quan@amd.com, farbere@amazon.com, fery@cypress.com, freedreno@lists.freedesktop.org, fw@strlen.de, gregkh@linuxfoundation.org, harry.wentland@amd.com, hdegoede@redhat.com, herve.codina@bootlin.com, hpa@zytor.com, intel-linux-scu@intel.com, jack@suse.com, james.morse@arm.com, james.qian.wang@arm.com, jdelvare@suse.com, jdike@addtoit.com, jejb@linux.ibm.com, jmaloy@redhat.com, joabreu@synopsys.com, josef@toxicpanda.com, kadlec@netfilter.org, kbusch@kernel.org, keescook@chromium.org, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-arm-kernel@lists.infradead.org, linux-erofs@lists.ozlabs.org, linux-mm@kvack.org, linux-staging@lists.linux.dev, linux-stm32@st-md-mailman.stormreply.com, linux-um@lists.infradead.org, linux@armlinux.org.uk, linux@rasmusvillemoes.dk, linux@roeck-us.net, liviu.dudau@arm.com, luc.vanoostenryck@gmail.com, luto@kernel.org, maarten.lankhorst@linux.intel.com, malattia@linux.it, martin.petersen@oracle.com, mchehab@kernel.org, mcoquelin.stm32@gmail.com, mgross@linux.intel.com, mihail.atanassov@arm.com, minchan@kernel.org, mingo@redhat.com, mripard@kernel.org, nathan@kernel.org, ndesaulniers@google.com, ngupta@vflare.org, pablo@netfilter.org, peppe.cavallaro@st.com, peterz@infradead.org, pmladek@suse.com, qiuxu.zhuo@intel.com, rajur@chelsio.com, richard@nod.at, robdclark@gmail.com, rostedt@goodmis.org, rric@kernel.org, ruanjinjie@huawei.com, sakari.ailus@linux.intel.com, sashal@kernel.org, sean@poorly.run, serge@lists.ozlabs.org, y.senozhatsky@gmail.com, snitzer@redhat.com, sunpeng.li@amd.com, tglx@linutronix.de, tipc-discussion@lists.sourceforge.net, tony.luck@intel.com, tytso@mit.edu, tzimmermann@suse.de, willy@infradead.org, x86@kernel.org, xiang@kernel.org, ying.xue@windriver.com, yoshfuji@linux-ipv6.org Cc: From: Date: Fri, 17 Oct 2025 15:48:29 +0200 In-Reply-To: <20251017090519.46992-8-farbere@amazon.com> Message-ID: <2025101729-boogieman-eatable-8d3e@gregkh> X-Mailing-List: linux-erofs@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit X-stable: commit X-Patchwork-Hint: ignore This is a note to let you know that I've just added the patch titled minmax: deduplicate __unconst_integer_typeof() to the 5.10-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: minmax-deduplicate-__unconst_integer_typeof.patch and it can be found in the queue-5.10 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >From prvs=378230090=farbere@amazon.com Fri Oct 17 11:07:56 2025 From: Eliav Farber Date: Fri, 17 Oct 2025 09:04:59 +0000 Subject: minmax: deduplicate __unconst_integer_typeof() To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Message-ID: <20251017090519.46992-8-farbere@amazon.com> From: Andy Shevchenko [ Upstream commit 5e57418a2031cd5e1863efdf3d7447a16a368172 ] It appears that compiler_types.h already have an implementation of the __unconst_integer_typeof() called __unqual_scalar_typeof(). Use it instead of the copy. Link: https://lkml.kernel.org/r/20230911154913.4176033-1-andriy.shevchenko@linux.intel.com Signed-off-by: Andy Shevchenko Acked-by: Herve Codina Signed-off-by: Andrew Morton Signed-off-by: Eliav Farber Signed-off-by: Greg Kroah-Hartman --- include/linux/minmax.h | 26 +++----------------------- 1 file changed, 3 insertions(+), 23 deletions(-) --- a/include/linux/minmax.h +++ b/include/linux/minmax.h @@ -2,6 +2,7 @@ #ifndef _LINUX_MINMAX_H #define _LINUX_MINMAX_H +#include #include #include @@ -152,27 +153,6 @@ #define max_t(type, x, y) __careful_cmp((type)(x), (type)(y), >) /* - * Remove a const qualifier from integer types - * _Generic(foo, type-name: association, ..., default: association) performs a - * comparison against the foo type (not the qualified type). - * Do not use the const keyword in the type-name as it will not match the - * unqualified type of foo. - */ -#define __unconst_integer_type_cases(type) \ - unsigned type: (unsigned type)0, \ - signed type: (signed type)0 - -#define __unconst_integer_typeof(x) typeof( \ - _Generic((x), \ - char: (char)0, \ - __unconst_integer_type_cases(char), \ - __unconst_integer_type_cases(short), \ - __unconst_integer_type_cases(int), \ - __unconst_integer_type_cases(long), \ - __unconst_integer_type_cases(long long), \ - default: (x))) - -/* * Do not check the array parameter using __must_be_array(). * In the following legit use-case where the "array" passed is a simple pointer, * __must_be_array() will return a failure. @@ -186,13 +166,13 @@ * 'int *buff' and 'int buff[N]' types. * * The array can be an array of const items. - * typeof() keeps the const qualifier. Use __unconst_integer_typeof() in order + * typeof() keeps the const qualifier. Use __unqual_scalar_typeof() in order * to discard the const qualifier for the __element variable. */ #define __minmax_array(op, array, len) ({ \ typeof(&(array)[0]) __array = (array); \ typeof(len) __len = (len); \ - __unconst_integer_typeof(__array[0]) __element = __array[--__len]; \ + __unqual_scalar_typeof(__array[0]) __element = __array[--__len];\ while (__len--) \ __element = op(__element, __array[__len]); \ __element; }) Patches currently in stable-queue which might be from farbere@amazon.com are queue-5.10/minmax-allow-comparisons-of-int-against-unsigned-char-short.patch queue-5.10/minmax-add-a-few-more-min_t-max_t-users.patch queue-5.10/minmax-improve-macro-expansion-and-type-checking.patch queue-5.10/minmax-fix-indentation-of-__cmp_once-and-__clamp_once.patch queue-5.10/minmax.h-simplify-the-variants-of-clamp.patch queue-5.10/minmax-add-in_range-macro.patch queue-5.10/minmax.h-move-all-the-clamp-definitions-after-the-min-max-ones.patch queue-5.10/minmax-allow-min-max-clamp-if-the-arguments-have-the-same-signedness.patch queue-5.10/minmax-don-t-use-max-in-situations-that-want-a-c-constant-expression.patch queue-5.10/minmax.h-remove-some-defines-that-are-only-expanded-once.patch queue-5.10/minmax.h-use-build_bug_on_msg-for-the-lo-hi-test-in-clamp.patch queue-5.10/minmax-simplify-min-max-clamp-implementation.patch queue-5.10/minmax-deduplicate-__unconst_integer_typeof.patch queue-5.10/minmax-simplify-and-clarify-min_t-max_t-implementation.patch queue-5.10/minmax.h-add-whitespace-around-operators-and-after-commas.patch queue-5.10/minmax-sanity-check-constant-bounds-when-clamping.patch queue-5.10/minmax-avoid-overly-complicated-constant-expressions-in-vm-code.patch queue-5.10/minmax-make-generic-min-and-max-macros-available-everywhere.patch queue-5.10/minmax-fix-up-min3-and-max3-too.patch queue-5.10/minmax.h-reduce-the-define-expansion-of-min-max-and-clamp.patch queue-5.10/minmax-fix-header-inclusions.patch queue-5.10/minmax-introduce-min-max-_array.patch queue-5.10/btrfs-remove-duplicated-in_range-macro.patch queue-5.10/overflow-tracing-define-the-is_signed_type-macro-once.patch queue-5.10/minmax-relax-check-to-allow-comparison-between-unsigned-arguments-and-signed-constants.patch queue-5.10/minmax-clamp-more-efficiently-by-avoiding-extra-comparison.patch queue-5.10/minmax.h-update-some-comments.patch From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C67A9CCD195 for ; 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imf12.hostedemail.com; dkim=fail ("body hash did not verify") header.d=linuxfoundation.org header.s=korg header.b=VAGVlPZh; spf=pass (imf12.hostedemail.com: domain of gregkh@linuxfoundation.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org; dmarc=pass (policy=none) header.from=linuxfoundation.org Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 088FD4B418; Fri, 17 Oct 2025 13:48:54 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7C25FC16AAE; Fri, 17 Oct 2025 13:48:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1760708933; bh=5Po0jPJuYXl4UtKLQzL3J5oqgd696Ng56D52ztzrN4Q=; h=Subject:To:Cc:From:Date:In-Reply-To:From; b=VAGVlPZhSU55SWD6d8vTrJjWDjWo+VcWtuR4/3aFhCVTFzdc3YOAL53ZH0X4huMb6 WtCREdJOglX1WiGPbXSWDbOsDfHn2nIfk2vURwACSxs4UGSa9rgJlbrAJdmPZavaFf mlAAzAvF2W+mckc+bEKDEMYxl7HvR3zQBOZ0ryeQ= Subject: Patch "minmax: deduplicate __unconst_integer_typeof()" has been added to the 5.10-stable tree To: David.Laight@ACULAB.COM, Jason@zx2c4.com, adilger.kernel@dilger.ca, agk@redhat.com, airlied@linux.ie, akpm@linux-foundation.org, alexander.deucher@amd.com, alexandre.torgue@st.com, amd-gfx@lists.freedesktop.org, andriy.shevchenko@linux.intel.com, anton.ivanov@cambridgegreys.com, artur.paszkiewicz@intel.com, bp@alien8.de, brian.starkey@arm.com, bvanassche@acm.org, chao@kernel.org, christian.koenig@amd.com, clm@fb.com, coreteam@netfilter.org, daniel@ffwll.ch, dave.hansen@linux.intel.com, davem@davemloft.net, dm-devel@redhat.com, dmitry.torokhov@gmail.com, dri-devel@lists.freedesktop.org, dsterba@suse.com, dushistov@mail.ru, evan.quan@amd.com, farbere@amazon.com, fery@cypress.com, freedreno@lists.freedesktop.org, fw@strlen.de, gregkh@linuxfoundation.org, harry.wentland@amd.com, hdegoede@redhat.com, herve.codina@bootlin.com, hpa@zytor.com, intel-linux-scu@intel.com, jack@suse.com, james.morse@arm.com, james.qian.wang@arm.com, jdelvare@suse.com, jdike@addtoit.com, jejb@linux.ibm.com, jmaloy@redhat.com, joabreu@synopsys.com, josef@toxicpanda.com, kadlec@netfilter.org, kbusch@kernel.org, keescook@chromium.org, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-arm-kernel@lists.infradead.org, linux-erofs@lists.ozlabs.org, linux-mm@kvack.org, linux-staging@lists.linux.dev, linux-stm32@st-md-mailman.stormreply.com, linux-um@lists.infradead.org, linux@armlinux.org.uk, linux@rasmusvillemoes.dk, linux@roeck-us.net, liviu.dudau@arm.com, luc.vanoostenryck@gmail.com, luto@kernel.org, maarten.lankhorst@linux.intel.com, malattia@linux.it, martin.petersen@oracle.com, mchehab@kernel.org, mcoquelin.stm32@gmail.com, mgross@linux.intel.com, mihail.atanassov@arm.com, minchan@kernel.org, mingo@redhat.com, mripard@kernel.org, nathan@kernel.org, ndesaulniers@google.com, ngupta@vflare.org, pablo@netfilter.org, peppe.cavallaro@st.com, peterz@infradead.org, pmladek@suse.com, qiuxu.zhuo@intel.com, rajur@chelsio.com, richard@nod.at, robdclark@gmail.com, rostedt@goodmis.org, rric@kernel.org, ruanjinjie@huawei.com, sakari.ailus@linux.intel.com, sashal@kernel.org, sean@poorly.run, serge@kvack.org, y.senozhatsky@gmail.com, snitzer@redhat.com, sunpeng.li@amd.com, tglx@linutronix.de, tipc-discussion@lists.sourceforge.net, tony.luck@intel.com, tytso@mit.edu, tzimmermann@suse.de, willy@infradead.org, x86@kernel.org, xiang@kernel.org, ying.xue@windriver.com, yoshfuji@linux-ipv6.org Cc: From: Date: Fri, 17 Oct 2025 15:48:29 +0200 In-Reply-To: <20251017090519.46992-8-farbere@amazon.com> Message-ID: <2025101729-boogieman-eatable-8d3e@gregkh> MIME-Version: 1.0 Content-Type: text/plain; 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If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >From prvs=378230090=farbere@amazon.com Fri Oct 17 11:07:56 2025 From: Eliav Farber Date: Fri, 17 Oct 2025 09:04:59 +0000 Subject: minmax: deduplicate __unconst_integer_typeof() To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Message-ID: <20251017090519.46992-8-farbere@amazon.com> From: Andy Shevchenko [ Upstream commit 5e57418a2031cd5e1863efdf3d7447a16a368172 ] It appears that compiler_types.h already have an implementation of the __unconst_integer_typeof() called __unqual_scalar_typeof(). Use it instead of the copy. Link: https://lkml.kernel.org/r/20230911154913.4176033-1-andriy.shevchenko@linux.intel.com Signed-off-by: Andy Shevchenko Acked-by: Herve Codina Signed-off-by: Andrew Morton Signed-off-by: Eliav Farber Signed-off-by: Greg Kroah-Hartman --- include/linux/minmax.h | 26 +++----------------------- 1 file changed, 3 insertions(+), 23 deletions(-) --- a/include/linux/minmax.h +++ b/include/linux/minmax.h @@ -2,6 +2,7 @@ #ifndef _LINUX_MINMAX_H #define _LINUX_MINMAX_H +#include #include #include @@ -152,27 +153,6 @@ #define max_t(type, x, y) __careful_cmp((type)(x), (type)(y), >) /* - * Remove a const qualifier from integer types - * _Generic(foo, type-name: association, ..., default: association) performs a - * comparison against the foo type (not the qualified type). - * Do not use the const keyword in the type-name as it will not match the - * unqualified type of foo. - */ -#define __unconst_integer_type_cases(type) \ - unsigned type: (unsigned type)0, \ - signed type: (signed type)0 - -#define __unconst_integer_typeof(x) typeof( \ - _Generic((x), \ - char: (char)0, \ - __unconst_integer_type_cases(char), \ - __unconst_integer_type_cases(short), \ - __unconst_integer_type_cases(int), \ - __unconst_integer_type_cases(long), \ - __unconst_integer_type_cases(long long), \ - default: (x))) - -/* * Do not check the array parameter using __must_be_array(). * In the following legit use-case where the "array" passed is a simple pointer, * __must_be_array() will return a failure. @@ -186,13 +166,13 @@ * 'int *buff' and 'int buff[N]' types. * * The array can be an array of const items. - * typeof() keeps the const qualifier. Use __unconst_integer_typeof() in order + * typeof() keeps the const qualifier. Use __unqual_scalar_typeof() in order * to discard the const qualifier for the __element variable. */ #define __minmax_array(op, array, len) ({ \ typeof(&(array)[0]) __array = (array); \ typeof(len) __len = (len); \ - __unconst_integer_typeof(__array[0]) __element = __array[--__len]; \ + __unqual_scalar_typeof(__array[0]) __element = __array[--__len];\ while (__len--) \ __element = op(__element, __array[__len]); \ __element; }) Patches currently in stable-queue which might be from farbere@amazon.com are queue-5.10/minmax-allow-comparisons-of-int-against-unsigned-char-short.patch queue-5.10/minmax-add-a-few-more-min_t-max_t-users.patch queue-5.10/minmax-improve-macro-expansion-and-type-checking.patch queue-5.10/minmax-fix-indentation-of-__cmp_once-and-__clamp_once.patch queue-5.10/minmax.h-simplify-the-variants-of-clamp.patch queue-5.10/minmax-add-in_range-macro.patch queue-5.10/minmax.h-move-all-the-clamp-definitions-after-the-min-max-ones.patch queue-5.10/minmax-allow-min-max-clamp-if-the-arguments-have-the-same-signedness.patch queue-5.10/minmax-don-t-use-max-in-situations-that-want-a-c-constant-expression.patch queue-5.10/minmax.h-remove-some-defines-that-are-only-expanded-once.patch queue-5.10/minmax.h-use-build_bug_on_msg-for-the-lo-hi-test-in-clamp.patch queue-5.10/minmax-simplify-min-max-clamp-implementation.patch queue-5.10/minmax-deduplicate-__unconst_integer_typeof.patch queue-5.10/minmax-simplify-and-clarify-min_t-max_t-implementation.patch queue-5.10/minmax.h-add-whitespace-around-operators-and-after-commas.patch queue-5.10/minmax-sanity-check-constant-bounds-when-clamping.patch queue-5.10/minmax-avoid-overly-complicated-constant-expressions-in-vm-code.patch queue-5.10/minmax-make-generic-min-and-max-macros-available-everywhere.patch queue-5.10/minmax-fix-up-min3-and-max3-too.patch queue-5.10/minmax.h-reduce-the-define-expansion-of-min-max-and-clamp.patch queue-5.10/minmax-fix-header-inclusions.patch queue-5.10/minmax-introduce-min-max-_array.patch queue-5.10/btrfs-remove-duplicated-in_range-macro.patch queue-5.10/overflow-tracing-define-the-is_signed_type-macro-once.patch queue-5.10/minmax-relax-check-to-allow-comparison-between-unsigned-arguments-and-signed-constants.patch queue-5.10/minmax-clamp-more-efficiently-by-avoiding-extra-comparison.patch queue-5.10/minmax.h-update-some-comments.patch From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 633B42F6906; 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dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="VAGVlPZh" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7C25FC16AAE; Fri, 17 Oct 2025 13:48:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1760708933; bh=5Po0jPJuYXl4UtKLQzL3J5oqgd696Ng56D52ztzrN4Q=; h=Subject:To:Cc:From:Date:In-Reply-To:From; b=VAGVlPZhSU55SWD6d8vTrJjWDjWo+VcWtuR4/3aFhCVTFzdc3YOAL53ZH0X4huMb6 WtCREdJOglX1WiGPbXSWDbOsDfHn2nIfk2vURwACSxs4UGSa9rgJlbrAJdmPZavaFf mlAAzAvF2W+mckc+bEKDEMYxl7HvR3zQBOZ0ryeQ= Subject: Patch "minmax: deduplicate __unconst_integer_typeof()" has been added to the 5.10-stable tree To: David.Laight@ACULAB.COM,Jason@zx2c4.com,adilger.kernel@dilger.ca,agk@redhat.com,airlied@linux.ie,akpm@linux-foundation.org,alexander.deucher@amd.com,alexandre.torgue@st.com,amd-gfx@lists.freedesktop.org,andriy.shevchenko@linux.intel.com,anton.ivanov@cambridgegreys.com,artur.paszkiewicz@intel.com,bp@alien8.de,brian.starkey@arm.com,bvanassche@acm.org,chao@kernel.org,christian.koenig@amd.com,clm@fb.com,coreteam@netfilter.org,daniel@ffwll.ch,dave.hansen@linux.intel.com,davem@davemloft.net,dm-devel@redhat.com,dmitry.torokhov@gmail.com,dri-devel@lists.freedesktop.org,dsterba@suse.com,dushistov@mail.ru,evan.quan@amd.com,farbere@amazon.com,fery@cypress.com,freedreno@lists.freedesktop.org,fw@strlen.de,gregkh@linuxfoundation.org,harry.wentland@amd.com,hdegoede@redhat.com,herve.codina@bootlin.com,hpa@zytor.com,intel-linux-scu@intel.com,jack@suse.com,james.morse@arm.com,james.qian.wang@arm.com,jdelvare@suse.com,jdike@addtoit.com,jejb@linux.ibm.com,jmaloy@redhat.com,joabreu@synopsys.com,josef@toxicpanda.com,kadlec@netfilter.org,kbusch@kernel.org,keescook@chromium.org,kuba@kernel.org,kuznet@ms2.inr.ac.ru,linux-arm-kernel@lists.infradead.org,linux-erofs@lists.ozlabs.org,linux-mm@kvack.org,linux-staging@lists.linux.dev,linux-stm32@st-md-mailman.stormreply.com,linux-um@lists.infradead.org,linux@armlinux.org.uk,linux@rasmusvillemoes.dk,linux@roeck-us.net,liviu.dudau@arm.com,luc.vanoostenryck@gmail.com,luto@kernel.org,maarten.lankhorst@linux.intel.com,malattia@linux.it,martin.petersen@oracle.com,mchehab@kernel.org,mcoquelin.stm32@gmail.com,mgross@linux.intel.com,mihail.atanassov@arm.com,minchan@kernel.org,mingo@redhat.com,mripard@kernel.org,nathan@kernel.org,ndesaulniers@google.com,ngupta@vflare.org,pablo@netfilter.org,peppe.cavallaro@st.com,peterz@infradead.org,pmladek@suse.com,qiuxu.zhuo@intel.com,rajur@chelsio.com,richard@nod.at,robdclark@gmail.com,rostedt@goodmis.org,rric@kernel.org,ruanjinjie@huawei.com,sakari.ailus@linux.intel.com,sashal@kernel.org,sean@poorly.run,sergey.senozhatsky@gmail.com,snitzer@redhat.com,sunpeng.li@amd.com,tglx@linutronix.de,tipc-discussion@lists.sourceforge.net,tony.luck@intel.com,tytso@mit.edu,tzimmermann@suse.de,willy@infradead.org,x86@kernel.org,xiang@kernel.org,ying.xue@windriver.com,yoshfuji@linux-ipv6.org Cc: From: Date: Fri, 17 Oct 2025 15:48:29 +0200 In-Reply-To: <20251017090519.46992-8-farbere@amazon.com> Message-ID: <2025101729-boogieman-eatable-8d3e@gregkh> Precedence: bulk X-Mailing-List: linux-staging@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit X-stable: commit X-Patchwork-Hint: ignore This is a note to let you know that I've just added the patch titled minmax: deduplicate __unconst_integer_typeof() to the 5.10-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: minmax-deduplicate-__unconst_integer_typeof.patch and it can be found in the queue-5.10 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >From prvs=378230090=farbere@amazon.com Fri Oct 17 11:07:56 2025 From: Eliav Farber Date: Fri, 17 Oct 2025 09:04:59 +0000 Subject: minmax: deduplicate __unconst_integer_typeof() To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Message-ID: <20251017090519.46992-8-farbere@amazon.com> From: Andy Shevchenko [ Upstream commit 5e57418a2031cd5e1863efdf3d7447a16a368172 ] It appears that compiler_types.h already have an implementation of the __unconst_integer_typeof() called __unqual_scalar_typeof(). Use it instead of the copy. Link: https://lkml.kernel.org/r/20230911154913.4176033-1-andriy.shevchenko@linux.intel.com Signed-off-by: Andy Shevchenko Acked-by: Herve Codina Signed-off-by: Andrew Morton Signed-off-by: Eliav Farber Signed-off-by: Greg Kroah-Hartman --- include/linux/minmax.h | 26 +++----------------------- 1 file changed, 3 insertions(+), 23 deletions(-) --- a/include/linux/minmax.h +++ b/include/linux/minmax.h @@ -2,6 +2,7 @@ #ifndef _LINUX_MINMAX_H #define _LINUX_MINMAX_H +#include #include #include @@ -152,27 +153,6 @@ #define max_t(type, x, y) __careful_cmp((type)(x), (type)(y), >) /* - * Remove a const qualifier from integer types - * _Generic(foo, type-name: association, ..., default: association) performs a - * comparison against the foo type (not the qualified type). - * Do not use the const keyword in the type-name as it will not match the - * unqualified type of foo. - */ -#define __unconst_integer_type_cases(type) \ - unsigned type: (unsigned type)0, \ - signed type: (signed type)0 - -#define __unconst_integer_typeof(x) typeof( \ - _Generic((x), \ - char: (char)0, \ - __unconst_integer_type_cases(char), \ - __unconst_integer_type_cases(short), \ - __unconst_integer_type_cases(int), \ - __unconst_integer_type_cases(long), \ - __unconst_integer_type_cases(long long), \ - default: (x))) - -/* * Do not check the array parameter using __must_be_array(). * In the following legit use-case where the "array" passed is a simple pointer, * __must_be_array() will return a failure. @@ -186,13 +166,13 @@ * 'int *buff' and 'int buff[N]' types. * * The array can be an array of const items. - * typeof() keeps the const qualifier. Use __unconst_integer_typeof() in order + * typeof() keeps the const qualifier. Use __unqual_scalar_typeof() in order * to discard the const qualifier for the __element variable. */ #define __minmax_array(op, array, len) ({ \ typeof(&(array)[0]) __array = (array); \ typeof(len) __len = (len); \ - __unconst_integer_typeof(__array[0]) __element = __array[--__len]; \ + __unqual_scalar_typeof(__array[0]) __element = __array[--__len];\ while (__len--) \ __element = op(__element, __array[__len]); \ __element; }) Patches currently in stable-queue which might be from farbere@amazon.com are queue-5.10/minmax-allow-comparisons-of-int-against-unsigned-char-short.patch queue-5.10/minmax-add-a-few-more-min_t-max_t-users.patch queue-5.10/minmax-improve-macro-expansion-and-type-checking.patch queue-5.10/minmax-fix-indentation-of-__cmp_once-and-__clamp_once.patch queue-5.10/minmax.h-simplify-the-variants-of-clamp.patch queue-5.10/minmax-add-in_range-macro.patch queue-5.10/minmax.h-move-all-the-clamp-definitions-after-the-min-max-ones.patch queue-5.10/minmax-allow-min-max-clamp-if-the-arguments-have-the-same-signedness.patch queue-5.10/minmax-don-t-use-max-in-situations-that-want-a-c-constant-expression.patch queue-5.10/minmax.h-remove-some-defines-that-are-only-expanded-once.patch queue-5.10/minmax.h-use-build_bug_on_msg-for-the-lo-hi-test-in-clamp.patch queue-5.10/minmax-simplify-min-max-clamp-implementation.patch queue-5.10/minmax-deduplicate-__unconst_integer_typeof.patch queue-5.10/minmax-simplify-and-clarify-min_t-max_t-implementation.patch queue-5.10/minmax.h-add-whitespace-around-operators-and-after-commas.patch queue-5.10/minmax-sanity-check-constant-bounds-when-clamping.patch queue-5.10/minmax-avoid-overly-complicated-constant-expressions-in-vm-code.patch queue-5.10/minmax-make-generic-min-and-max-macros-available-everywhere.patch queue-5.10/minmax-fix-up-min3-and-max3-too.patch queue-5.10/minmax.h-reduce-the-define-expansion-of-min-max-and-clamp.patch queue-5.10/minmax-fix-header-inclusions.patch queue-5.10/minmax-introduce-min-max-_array.patch queue-5.10/btrfs-remove-duplicated-in_range-macro.patch queue-5.10/overflow-tracing-define-the-is_signed_type-macro-once.patch queue-5.10/minmax-relax-check-to-allow-comparison-between-unsigned-arguments-and-signed-constants.patch queue-5.10/minmax-clamp-more-efficiently-by-avoiding-extra-comparison.patch queue-5.10/minmax.h-update-some-comments.patch From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 75D1BCCFA18 for ; 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Sat, 08 Nov 2025 16:32:08 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1v9kpC-00000007yn2-2wGk; Fri, 17 Oct 2025 13:48:54 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 1C91064377; Fri, 17 Oct 2025 13:48:54 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7C25FC16AAE; Fri, 17 Oct 2025 13:48:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1760708933; bh=5Po0jPJuYXl4UtKLQzL3J5oqgd696Ng56D52ztzrN4Q=; h=Subject:To:Cc:From:Date:In-Reply-To:From; b=VAGVlPZhSU55SWD6d8vTrJjWDjWo+VcWtuR4/3aFhCVTFzdc3YOAL53ZH0X4huMb6 WtCREdJOglX1WiGPbXSWDbOsDfHn2nIfk2vURwACSxs4UGSa9rgJlbrAJdmPZavaFf mlAAzAvF2W+mckc+bEKDEMYxl7HvR3zQBOZ0ryeQ= Subject: Patch "minmax: deduplicate __unconst_integer_typeof()" has been added to the 5.10-stable tree To: David.Laight@ACULAB.COM,Jason@zx2c4.com,adilger.kernel@dilger.ca,agk@redhat.com,airlied@linux.ie,akpm@linux-foundation.org,alexander.deucher@amd.com,alexandre.torgue@st.com,amd-gfx@lists.freedesktop.org,andriy.shevchenko@linux.intel.com,anton.ivanov@cambridgegreys.com,artur.paszkiewicz@intel.com,bp@alien8.de,brian.starkey@arm.com,bvanassche@acm.org,chao@kernel.org,christian.koenig@amd.com,clm@fb.com,coreteam@netfilter.org,daniel@ffwll.ch,dave.hansen@linux.intel.com,davem@davemloft.net,dm-devel@redhat.com,dmitry.torokhov@gmail.com,dri-devel@lists.freedesktop.org,dsterba@suse.com,dushistov@mail.ru,evan.quan@amd.com,farbere@amazon.com,fery@cypress.com,freedreno@lists.freedesktop.org,fw@strlen.de,gregkh@linuxfoundation.org,harry.wentland@amd.com,hdegoede@redhat.com,herve.codina@bootlin.com,hpa@zytor.com,intel-linux-scu@intel.com,jack@suse.com,james.morse@arm.com,james.qian.wang@arm.com,jdelvare@suse.com,jdike@addtoit.com,jejb@linux.ibm.com,jmaloy@redhat.com,joabreu@synopsys.com,josef @toxicpanda.com,kadlec@netfilter.org,kbusch@kernel.org,keescook@chromium.org,kuba@kernel.org,kuznet@ms2.inr.ac.ru,linux-arm-kernel@lists.infradead.org,linux-erofs@lists.ozlabs.org,linux-mm@kvack.org,linux-staging@lists.linux.dev,linux-stm32@st-md-mailman.stormreply.com,linux-um@lists.infradead.org,linux@armlinux.org.uk,linux@rasmusvillemoes.dk,linux@roeck-us.net,liviu.dudau@arm.com,luc.vanoostenryck@gmail.com,luto@kernel.org,maarten.lankhorst@linux.intel.com,malattia@linux.it,martin.petersen@oracle.com,mchehab@kernel.org,mcoquelin.stm32@gmail.com,mgross@linux.intel.com,mihail.atanassov@arm.com,minchan@kernel.org,mingo@redhat.com,mripard@kernel.org,nathan@kernel.org,ndesaulniers@google.com,ngupta@vflare.org,pablo@netfilter.org,peppe.cavallaro@st.com,peterz@infradead.org,pmladek@suse.com,qiuxu.zhuo@intel.com,rajur@chelsio.com,richard@nod.at,robdclark@gmail.com,rostedt@goodmis.org,rric@kernel.org,ruanjinjie@huawei.com,sakari.ailus@linux.intel.com,sashal@kernel.org,sean@poorly.run,serge y.senozhatsky@gmail.com,snitzer@redhat.com,sunpeng.li@amd.com,tglx@linutronix.de,tipc-discussion@lists.sourceforge.net,tony.luck@intel.com,tytso@mit.edu,tzimmermann@suse.de,willy@infradead.org,x86@kernel.org,xiang@kernel.org,ying.xue@windriver.com,yoshfuji@linux-ipv6.org Cc: From: Date: Fri, 17 Oct 2025 15:48:29 +0200 In-Reply-To: <20251017090519.46992-8-farbere@amazon.com> Message-ID: <2025101729-boogieman-eatable-8d3e@gregkh> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit X-stable: commit X-Patchwork-Hint: ignore X-Mailman-Approved-At: Sat, 08 Nov 2025 08:31:09 -0800 X-BeenThere: linux-um@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-um" Errors-To: linux-um-bounces+linux-um=archiver.kernel.org@lists.infradead.org This is a note to let you know that I've just added the patch titled minmax: deduplicate __unconst_integer_typeof() to the 5.10-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: minmax-deduplicate-__unconst_integer_typeof.patch and it can be found in the queue-5.10 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >From prvs=378230090=farbere@amazon.com Fri Oct 17 11:07:56 2025 From: Eliav Farber Date: Fri, 17 Oct 2025 09:04:59 +0000 Subject: minmax: deduplicate __unconst_integer_typeof() To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Message-ID: <20251017090519.46992-8-farbere@amazon.com> From: Andy Shevchenko [ Upstream commit 5e57418a2031cd5e1863efdf3d7447a16a368172 ] It appears that compiler_types.h already have an implementation of the __unconst_integer_typeof() called __unqual_scalar_typeof(). Use it instead of the copy. Link: https://lkml.kernel.org/r/20230911154913.4176033-1-andriy.shevchenko@linux.intel.com Signed-off-by: Andy Shevchenko Acked-by: Herve Codina Signed-off-by: Andrew Morton Signed-off-by: Eliav Farber Signed-off-by: Greg Kroah-Hartman --- include/linux/minmax.h | 26 +++----------------------- 1 file changed, 3 insertions(+), 23 deletions(-) --- a/include/linux/minmax.h +++ b/include/linux/minmax.h @@ -2,6 +2,7 @@ #ifndef _LINUX_MINMAX_H #define _LINUX_MINMAX_H +#include #include #include @@ -152,27 +153,6 @@ #define max_t(type, x, y) __careful_cmp((type)(x), (type)(y), >) /* - * Remove a const qualifier from integer types - * _Generic(foo, type-name: association, ..., default: association) performs a - * comparison against the foo type (not the qualified type). - * Do not use the const keyword in the type-name as it will not match the - * unqualified type of foo. - */ -#define __unconst_integer_type_cases(type) \ - unsigned type: (unsigned type)0, \ - signed type: (signed type)0 - -#define __unconst_integer_typeof(x) typeof( \ - _Generic((x), \ - char: (char)0, \ - __unconst_integer_type_cases(char), \ - __unconst_integer_type_cases(short), \ - __unconst_integer_type_cases(int), \ - __unconst_integer_type_cases(long), \ - __unconst_integer_type_cases(long long), \ - default: (x))) - -/* * Do not check the array parameter using __must_be_array(). * In the following legit use-case where the "array" passed is a simple pointer, * __must_be_array() will return a failure. @@ -186,13 +166,13 @@ * 'int *buff' and 'int buff[N]' types. * * The array can be an array of const items. - * typeof() keeps the const qualifier. Use __unconst_integer_typeof() in order + * typeof() keeps the const qualifier. Use __unqual_scalar_typeof() in order * to discard the const qualifier for the __element variable. */ #define __minmax_array(op, array, len) ({ \ typeof(&(array)[0]) __array = (array); \ typeof(len) __len = (len); \ - __unconst_integer_typeof(__array[0]) __element = __array[--__len]; \ + __unqual_scalar_typeof(__array[0]) __element = __array[--__len];\ while (__len--) \ __element = op(__element, __array[__len]); \ __element; }) Patches currently in stable-queue which might be from farbere@amazon.com are queue-5.10/minmax-allow-comparisons-of-int-against-unsigned-char-short.patch queue-5.10/minmax-add-a-few-more-min_t-max_t-users.patch queue-5.10/minmax-improve-macro-expansion-and-type-checking.patch queue-5.10/minmax-fix-indentation-of-__cmp_once-and-__clamp_once.patch queue-5.10/minmax.h-simplify-the-variants-of-clamp.patch queue-5.10/minmax-add-in_range-macro.patch queue-5.10/minmax.h-move-all-the-clamp-definitions-after-the-min-max-ones.patch queue-5.10/minmax-allow-min-max-clamp-if-the-arguments-have-the-same-signedness.patch queue-5.10/minmax-don-t-use-max-in-situations-that-want-a-c-constant-expression.patch queue-5.10/minmax.h-remove-some-defines-that-are-only-expanded-once.patch queue-5.10/minmax.h-use-build_bug_on_msg-for-the-lo-hi-test-in-clamp.patch queue-5.10/minmax-simplify-min-max-clamp-implementation.patch queue-5.10/minmax-deduplicate-__unconst_integer_typeof.patch queue-5.10/minmax-simplify-and-clarify-min_t-max_t-implementation.patch queue-5.10/minmax.h-add-whitespace-around-operators-and-after-commas.patch queue-5.10/minmax-sanity-check-constant-bounds-when-clamping.patch queue-5.10/minmax-avoid-overly-complicated-constant-expressions-in-vm-code.patch queue-5.10/minmax-make-generic-min-and-max-macros-available-everywhere.patch queue-5.10/minmax-fix-up-min3-and-max3-too.patch queue-5.10/minmax.h-reduce-the-define-expansion-of-min-max-and-clamp.patch queue-5.10/minmax-fix-header-inclusions.patch queue-5.10/minmax-introduce-min-max-_array.patch queue-5.10/btrfs-remove-duplicated-in_range-macro.patch queue-5.10/overflow-tracing-define-the-is_signed_type-macro-once.patch queue-5.10/minmax-relax-check-to-allow-comparison-between-unsigned-arguments-and-signed-constants.patch queue-5.10/minmax-clamp-more-efficiently-by-avoiding-extra-comparison.patch queue-5.10/minmax.h-update-some-comments.patch