linux-kernel - Re: [PATCH v10 1/7] x86/arch_prctl/64: Use SYSCALL_DEFINE2 to define sys_arch

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Date:   Thu, 10 Nov 2016 10:17:26 -0800
From:   Kyle Huey <me@...ehuey.com>
To:     Borislav Petkov <bp@...e.de>
Cc:     "Robert O'Callahan" <robert@...llahan.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Andy Lutomirski <luto@...nel.org>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" <x86@...nel.org>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Radim Krčmář <rkrcmar@...hat.com>,
        Jeff Dike <jdike@...toit.com>,
        Richard Weinberger <richard@....at>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Shuah Khan <shuah@...nel.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Len Brown <len.brown@...el.com>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        Dmitry Safonov <dsafonov@...tuozzo.com>,
        David Matlack <dmatlack@...gle.com>,
        open list <linux-kernel@...r.kernel.org>,
        "open list:USER-MODE LINUX (UML)" 
        <user-mode-linux-devel@...ts.sourceforge.net>,
        "open list:USER-MODE LINUX (UML)" 
        <user-mode-linux-user@...ts.sourceforge.net>,
        "open list:FILESYSTEMS (VFS and infrastructure)" 
        <linux-fsdevel@...r.kernel.org>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>, kvm list <kvm@...r.kernel.org>
Subject: Re: [PATCH v10 1/7] x86/arch_prctl/64: Use SYSCALL_DEFINE2 to define sys_arch_prctl

On Wed, Nov 9, 2016 at 1:47 AM, Borislav Petkov <bp@...e.de> wrote:
> On Tue, Nov 08, 2016 at 10:39:50AM -0800, Kyle Huey wrote:
>
> <--- Add commit message here.
>
>> Signed-off-by: Kyle Huey <khuey@...ehuey.com>
>> ---
>>  arch/x86/kernel/process_64.c | 3 ++-
>>  arch/x86/um/syscalls_64.c    | 3 ++-
>>  2 files changed, 4 insertions(+), 2 deletions(-)
>
> ...
>
>>  void arch_switch_to(struct task_struct *to)
>>  {
>>       if ((to->thread.arch.fs == 0) || (to->mm == NULL))
>>               return;
>>
>> base-commit: e3a00f68e426df24a5fb98956a1bd1b23943aa1e
>
> This looks like some tracking thing. It gets ignored by tools though...

Yeah despite git format-patch generating it, git doesn't automatically
honor it when applying patches.

- Kyle