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 BB4CB168DC for ; Wed, 10 Apr 2024 18:09:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712772573; cv=none; b=Rdl8VPZxxcYxUKsRo+wQBmiD19u9ErfA1If9WUJyfdiUv++hd64WbWTUbOL7p3ydvZ76FeNOKj5Tk1pokeSrMGWorh8lIIgxfGKm/4p1DW7gEzaFFdbkU22kr0ZwWMvBaBUZIDtm4ZcEPI1Dc1extRdZg+j4V8sVYrfmvAsWS6I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712772573; c=relaxed/simple; bh=QwtGzz2ta7kTrdDdLPHR04yifDPZ4v3+X58WCkYZqZw=; h=Date:To:From:Subject:Message-Id; b=B2RO6QI01lYcjfPa8gEvFxdA3S41MMx5TS5rBFyQ/bNeKjPQLyr7Znsa87qYmO8/QfEdTvtXC3I3/a7k26W+DeZTemP86JzY1rL4R1Q7ceqqt+TSTXT5rvVQ7z4LJyl0qbiOVTkiZAJmjCIJTkDSt59iBuLRZZQRDabG9q68v8I= 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=tKyVfdZ8; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="tKyVfdZ8" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5AEADC433F1; Wed, 10 Apr 2024 18:09:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1712772573; bh=QwtGzz2ta7kTrdDdLPHR04yifDPZ4v3+X58WCkYZqZw=; h=Date:To:From:Subject:From; b=tKyVfdZ8yzimogEywHFN53hEzlUcBC9pP9w36DD9xsN9r0y68PA+TovbWHclVYrfO wApqdXBGyw96OaMzbfc0TWYFq1b7ayy8UQk3jAKmHjFb3wRsAfi/3CtOlZjntu6JIn vBqxvQeA7fgcPK+66AfVKk0HWFu0cdFK7LQmc00c= Date: Wed, 10 Apr 2024 11:09:32 -0700 To: mm-commits@vger.kernel.org,alexghiti@rivosinc.com,wangkefeng.wang@huawei.com,akpm@linux-foundation.org From: Andrew Morton Subject: + riscv-mm-accelerate-pagefault-when-badaccess-fix.patch added to mm-unstable branch Message-Id: <20240410180933.5AEADC433F1@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The patch titled Subject: riscv-mm-accelerate-pagefault-when-badaccess-fix has been added to the -mm mm-unstable branch. Its filename is riscv-mm-accelerate-pagefault-when-badaccess-fix.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/riscv-mm-accelerate-pagefault-when-badaccess-fix.patch This patch will later appear in the mm-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 the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Kefeng Wang Subject: riscv-mm-accelerate-pagefault-when-badaccess-fix Date: Wed, 10 Apr 2024 16:07:41 +0800 use `cause' rather than SIGSEGV, per Alexandre Link: https://lkml.kernel.org/r/ac978061-ce1a-40a4-8b0a-61883b42bea7@huawei.com Signed-off-by: Kefeng Wang Reviewed-by: Alexandre Ghiti Tested-by: Alexandre Ghiti Signed-off-by: Andrew Morton --- arch/riscv/mm/fault.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/arch/riscv/mm/fault.c~riscv-mm-accelerate-pagefault-when-badaccess-fix +++ a/arch/riscv/mm/fault.c @@ -293,8 +293,8 @@ void handle_page_fault(struct pt_regs *r if (unlikely(access_error(cause, vma))) { vma_end_read(vma); count_vm_vma_lock_event(VMA_LOCK_SUCCESS); - tsk->thread.bad_cause = SEGV_ACCERR; - bad_area_nosemaphore(regs, code, addr); + tsk->thread.bad_cause = cause; + bad_area_nosemaphore(regs, SEGV_ACCERR, addr); return; } _ Patches currently in -mm which might be from wangkefeng.wang@huawei.com are mm-backing-dev-use-group-allocation-free-of-per-cpu-counters-api.patch mm-remove-__set_page_dirty_nobuffers.patch arm64-mm-cleanup-__do_page_fault.patch arm64-mm-accelerate-pagefault-when-vm_fault_badaccess.patch arm-mm-accelerate-pagefault-when-vm_fault_badaccess.patch powerpc-mm-accelerate-pagefault-when-badaccess.patch riscv-mm-accelerate-pagefault-when-badaccess.patch riscv-mm-accelerate-pagefault-when-badaccess-fix.patch s390-mm-accelerate-pagefault-when-badaccess.patch x86-mm-accelerate-pagefault-when-badaccess.patch arm64-mm-drop-vm_fault_badmap-vm_fault_badaccess.patch arm-mm-drop-vm_fault_badmap-vm_fault_badaccess.patch