Re: [PATCH v5 2/4] x86/syscalls: Specific usage of verify_pre_usermode_state

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To: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>, Heiko Carstens <heiko.carstens@xxxxxxxxxx>, David Howells <dhowells@xxxxxxxxxx>, Arnd Bergmann <arnd@xxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxx>, Al Viro <viro@xxxxxxxxxxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, René Nyffenegger <mail@xxxxxxxxxxxxxxxxxx>, Thomas Garnier <thgarnie@xxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, "Paul E . McKenney" <paulmck@xxxxxxxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Oleg Nesterov <oleg@xxxxxxxxxx>, Pavel Tikhomirov <ptikhomirov@xxxxxxxxxxxxx>, Stephen Smalley <sds@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, "H . Peter Anvin" <hpa@xxxxxxxxx>, Andy Lutomirski <luto@xxxxxxxxxx>, Paolo Bonzini <pbonzini@xxxxxxxxxx>, Rik van Riel <riel@xxxxxxxxxx>, Kees Cook <keescook@xxxxxxxxxxxx>, Josh Poimboeuf <jpoimboe@xxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, Brian Gerst <brgerst@xxxxxxxxx>, "Kirill A . Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>, Christian Borntraeger <borntraeger@xxxxxxxxxx>, Russell King <linux@xxxxxxxxxxxxxxx>, Will Deacon <will.deacon@xxxxxxx>, Catalin Marinas <catalin.marinas@xxxxxxx>, Mark Rutland <mark.rutland@xxxxxxx>, James Morse <james.morse@xxxxxxx>
Subject: Re: [PATCH v5 2/4] x86/syscalls: Specific usage of verify_pre_usermode_state
From: Thomas Garnier <thgarnie@xxxxxxxxxx>
Date: Thu, 23 Mar 2017 13:36:48 -0700
Cc: linux-s390 <linux-s390@xxxxxxxxxxxxxxx>, LKML <linux-kernel@xxxxxxxxxxxxxxx>, Linux API <linux-api@xxxxxxxxxxxxxxx>, "the arch/x86 maintainers" <x86@xxxxxxxxxx>, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, Kernel Hardening <kernel-hardening@xxxxxxxxxxxxxxxxxx>
In-reply-to: <20170323172515.27950-2-thgarnie@google.com>

On Thu, Mar 23, 2017 at 10:25 AM, Thomas Garnier <thgarnie@xxxxxxxxxx> wrote:
> Implement specific usage of verify_pre_usermode_state for user-mode
> returns for x86.

Signed-off-by: Thomas Garnier <thgarnie@xxxxxxxxxx>

Not sure why it was not there anymore.

-- 
Thomas
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References:
- [PATCH v5 1/4] syscalls: Restore address limit after a syscall
  - From: Thomas Garnier
- [PATCH v5 2/4] x86/syscalls: Specific usage of verify_pre_usermode_state
  - From: Thomas Garnier

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