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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D416FC433F5 for ; Fri, 25 Mar 2022 22:42:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233964AbiCYWoM (ORCPT ); Fri, 25 Mar 2022 18:44:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52940 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233966AbiCYWn5 (ORCPT ); Fri, 25 Mar 2022 18:43:57 -0400 Received: from sin.source.kernel.org (sin.source.kernel.org [IPv6:2604:1380:40e1:4800::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4FFE220A97A for ; Fri, 25 Mar 2022 15:42:16 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sin.source.kernel.org (Postfix) with ESMTPS id C06BFCE2BA1 for ; Fri, 25 Mar 2022 22:42:14 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2E3F2C004DD; Fri, 25 Mar 2022 22:42:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1648248133; bh=MryigdsAP0u/Xp2pBPlcXhwgThprijygFNdu/kzntws=; h=Date:To:From:Subject:From; b=XsKsKsnoUhtvcxtVJqBkndeBv4tS0o0EgYsc2cQuYnPy/BXC7cc3yG3wBg+3tZh32 reI//AcnhqTY2rVHz6V2EwSQVGeblu2xm55V9Rn9Z9OyZYcfMKl0nCv2K41DkMEbwm KFg+0Tpx6BayTg7dD2JEZG7NgUB1C6cEGe76Tn2Y= Date: Fri, 25 Mar 2022 15:42:12 -0700 To: mm-commits@vger.kernel.org, will@kernel.org, vincenzo.frascino@arm.com, ryabinin.a.a@gmail.com, pcc@google.com, mark.rutland@arm.com, glider@google.com, eugenis@google.com, elver@google.com, dvyukov@google.com, catalin.marinas@arm.com, andreyknvl@google.com, akpm@linux-foundation.org From: Andrew Morton Subject: [merged] kasan-vmalloc-drop-outdated-vm_kasan-comment.patch removed from -mm tree Message-Id: <20220325224213.2E3F2C004DD@smtp.kernel.org> Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The patch titled Subject: kasan, vmalloc: drop outdated VM_KASAN comment has been removed from the -mm tree. Its filename was kasan-vmalloc-drop-outdated-vm_kasan-comment.patch This patch was dropped because it was merged into mainline or a subsystem tree ------------------------------------------------------ From: Andrey Konovalov Subject: kasan, vmalloc: drop outdated VM_KASAN comment The comment about VM_KASAN in include/linux/vmalloc.c is outdated. VM_KASAN is currently only used to mark vm_areas allocated for kernel modules when CONFIG_KASAN_VMALLOC is disabled. Drop the comment. Link: https://lkml.kernel.org/r/780395afea83a147b3b5acc36cf2e38f7f8479f9.1643047180.git.andreyknvl@google.com Signed-off-by: Andrey Konovalov Reviewed-by: Alexander Potapenko Acked-by: Marco Elver Cc: Andrey Ryabinin Cc: Catalin Marinas Cc: Dmitry Vyukov Cc: Evgenii Stepanov Cc: Mark Rutland Cc: Peter Collingbourne Cc: Vincenzo Frascino Cc: Will Deacon Signed-off-by: Andrew Morton --- include/linux/vmalloc.h | 11 ----------- 1 file changed, 11 deletions(-) --- a/include/linux/vmalloc.h~kasan-vmalloc-drop-outdated-vm_kasan-comment +++ a/include/linux/vmalloc.h @@ -35,17 +35,6 @@ struct notifier_block; /* in notifier.h #define VM_DEFER_KMEMLEAK 0 #endif -/* - * VM_KASAN is used slightly differently depending on CONFIG_KASAN_VMALLOC. - * - * If IS_ENABLED(CONFIG_KASAN_VMALLOC), VM_KASAN is set on a vm_struct after - * shadow memory has been mapped. It's used to handle allocation errors so that - * we don't try to poison shadow on free if it was never allocated. - * - * Otherwise, VM_KASAN is set for kasan_module_alloc() allocations and used to - * determine which allocations need the module shadow freed. - */ - /* bits [20..32] reserved for arch specific ioremap internals */ /* _ Patches currently in -mm which might be from andreyknvl@google.com are stacktrace-add-interface-based-on-shadow-call-stack.patch arm64-scs-save-scs_sp-values-per-cpu-when-switching-stacks.patch arm64-implement-stack_trace_save_shadow.patch kasan-use-stack_trace_save_shadow.patch