linux-kernel - Re: [PATCH] mips: fix mips_get_syscall

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Date:   Wed, 21 Nov 2018 19:23:28 +0000
From:   Paul Burton <paul.burton@...s.com>
To:     "Dmitry V. Levin" <ldv@...linux.org>
CC:     Paul Burton <pburton@...ecomp.com>,
        Elvira Khabirova <lineprinter@...linux.org>,
        Ralf Baechle <ralf@...ux-mips.org>,
        James Hogan <jhogan@...nel.org>,
        "linux-mips@...ux-mips.org" <linux-mips@...ux-mips.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-mips@...ux-mips.org" <linux-mips@...ux-mips.org>
Subject: Re: [PATCH] mips: fix mips_get_syscall_arg o32 check

Hello,

Dmitry V. Levin wrote:
> When checking for TIF_32BIT_REGS flag, mips_get_syscall_arg() should
> use the task specified as its argument instead of the current task.
> 
> This potentially affects all syscall_get_arguments() users
> who specify tasks different from the current.
> 
> Fixes: c0ff3c53d4f99 ("MIPS: Enable HAVE_ARCH_TRACEHOOK.")
> Signed-off-by: Dmitry V. Levin <ldv@...linux.org>

Applied to mips-fixes.

Thanks,
    Paul

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