From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 F3F8C420877 for ; Tue, 7 Jul 2026 18:54:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783450447; cv=none; b=SYS3kbx2rkQiDpDnuHlKCu+bqYP5stgHMPqYIGj0DdYqoiEzdOSsC8oXU6xlhsyl6YbSxPmSXW73CLv95zH75fkPSoBdBFiZC8EFdw3971rt8g4g2JF+U7PHSew7gJHDKcBYk0xrMorzFHPon1RGIwr6e9aRuwLQpchcdXUlo1Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783450447; c=relaxed/simple; bh=goK/F/e4w03ubS29yQW35bDdORicAD/vb+FWmHNkhtk=; h=Date:To:From:Subject:Message-Id; b=UufaTxpOZeaLaOcXFEgssvMTWO6LFiNsKxIAGEfZF/QNkHGnvP9cKEWawIGCQQ/pYAODAUR/+H0X/PQPaiVM0gWCDeeX0GCbPKLysiSQrc7AMZVvVsZf2hu6BF8NcZyyCU0k8tr0INjaEPUl0yC9KG+xIBuoPPwWEYzz4kBNxDE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=rlGWpZM2; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="rlGWpZM2" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8CFFF1F000E9; Tue, 7 Jul 2026 18:54:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=korg; t=1783450445; bh=ZW2dK6q+pSzbgR03Kiuz7upUMnvDRuSY9r/BB/2Fi68=; h=Date:To:From:Subject; b=rlGWpZM2LyPgPyQIQjqJGpKYNZuWmTV1EVRoXRRiKHw8FOn4w6d5vy9hgjZuybJLf lLDRNMWsDWvCH72DgDgragnhfgXY/Umzel30wpbzXpBpHcvPMovBRTPBgGrubC8kw9 wwKv3gjnsPWoVKvnNJGTXRqE1rSn2QsmoYa5zQKI= Date: Tue, 07 Jul 2026 11:54:05 -0700 To: mm-commits@vger.kernel.org,senozhatsky@chromium.org,rostedt@goodmis.org,nathan@kernel.org,linux@rasmusvillemoes.dk,david.laight.linux@gmail.com,arnd@arndb.de,andriy.shevchenko@linux.intel.com,aleksander.lobakin@intel.com,pmladek@suse.com,akpm@linux-foundation.org From: Andrew Morton Subject: + revert-printf-compile-the-kunit-test-with-disable_branch_profiling-disable_branch_profiling.patch added to mm-nonmm-unstable branch Message-Id: <20260707185405.8CFFF1F000E9@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The patch titled Subject: Revert "printf: Compile the kunit test with DISABLE_BRANCH_PROFILING DISABLE_BRANCH_PROFILING" has been added to the -mm mm-nonmm-unstable branch. Its filename is revert-printf-compile-the-kunit-test-with-disable_branch_profiling-disable_branch_profiling.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/revert-printf-compile-the-kunit-test-with-disable_branch_profiling-disable_branch_profiling.patch This patch will later appear in the mm-nonmm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via various branches at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there most days ------------------------------------------------------ From: Petr Mladek Subject: Revert "printf: Compile the kunit test with DISABLE_BRANCH_PROFILING DISABLE_BRANCH_PROFILING" Date: Tue, 7 Jul 2026 15:55:22 +0200 This reverts commit 8901ac9d2c7eb8ed7ae5e749bf13ecb3b6062488. The commit 94bfc7f3b0c7 ("err.h: use __always_inline on all error pointer helpers") fixes the problem with a dead code elimination by always inlining IS_ERR() function. It prevents the related linker failures as well. The workaround with disabling branch profiling is not longer necessary. Link: https://lore.kernel.org/20260707135522.120447-1-pmladek@suse.com Signed-off-by: Petr Mladek Suggested-by: Andy Shevchenko Closes: https://lore.kernel.org/r/ah6WDkwO8eYY5f2a@ashevche-desk.local Reviewed-by: Andy Shevchenko Cc: Aleksander Lobakin Cc: Arnd Bergmann Cc: David Laight Cc: Nathan Chancellor Cc: Petr Mladek Cc: Rasmus Villemoes Cc: Sergey Senozhatsky Cc: Steven Rostedt Signed-off-by: Andrew Morton --- lib/tests/Makefile | 2 -- 1 file changed, 2 deletions(-) --- a/lib/tests/Makefile~revert-printf-compile-the-kunit-test-with-disable_branch_profiling-disable_branch_profiling +++ a/lib/tests/Makefile @@ -41,8 +41,6 @@ obj-$(CONFIG_MEMCPY_KUNIT_TEST) += memcp obj-$(CONFIG_MIN_HEAP_KUNIT_TEST) += min_heap_kunit.o CFLAGS_overflow_kunit.o = $(call cc-disable-warning, tautological-constant-out-of-range-compare) obj-$(CONFIG_OVERFLOW_KUNIT_TEST) += overflow_kunit.o -# GCC < 12.1 can miscompile errptr() test when branch profiling is enabled. -CFLAGS_printf_kunit.o += -DDISABLE_BRANCH_PROFILING obj-$(CONFIG_PRANDOM_KUNIT_TEST) += random32_kunit.o obj-$(CONFIG_PRINTF_KUNIT_TEST) += printf_kunit.o obj-$(CONFIG_RANDSTRUCT_KUNIT_TEST) += randstruct_kunit.o _ Patches currently in -mm which might be from pmladek@suse.com are revert-printf-compile-the-kunit-test-with-disable_branch_profiling-disable_branch_profiling.patch