linux-kernel - Re: [PATCH v3 2/4] x86: simplify _TIF_SYSCALL

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Message-ID: <20190501161220.GC30235@redhat.com>
Date:   Wed, 1 May 2019 18:12:20 +0200
From:   Oleg Nesterov <oleg@...hat.com>
To:     Sudeep Holla <sudeep.holla@....com>
Cc:     x86@...nel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Richard Weinberger <richard@....at>, jdike@...toit.com,
        Steve Capper <Steve.Capper@....com>,
        Haibo Xu <haibo.xu@....com>, Bin Lu <bin.lu@....com>,
        Andy Lutomirski <luto@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>
Subject: Re: [PATCH v3 2/4] x86: simplify _TIF_SYSCALL_EMU handling

On 04/30, Sudeep Holla wrote:
>
> The usage of emulated/_TIF_SYSCALL_EMU flags in syscall_trace_enter
> seems to be bit overcomplicated than required. Let's simplify it.
>
> Cc: Andy Lutomirski <luto@...nel.org>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: Ingo Molnar <mingo@...hat.com>
> Cc: Borislav Petkov <bp@...en8.de>
> Signed-off-by: Sudeep Holla <sudeep.holla@....com>

Signed-off-by: Oleg Nesterov <oleg@...hat.com>