From: Tycho Andersen <tycho@tycho.ws>
To: guoren@kernel.org
Cc: keescook@chromium.org, palmerdabbelt@google.com,
paul.walmsley@sifive.com, anup@brainfault.org,
linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
Guo Ren <guoren@linux.alibaba.com>
Subject: Re: [PATCH] riscv: Remove unnecessary path for syscall_trace
Date: Mon, 25 May 2020 08:36:48 -0600 [thread overview]
Message-ID: <20200525143648.GM2605652@cisco> (raw)
In-Reply-To: <1590416306-66453-1-git-send-email-guoren@kernel.org>
On Mon, May 25, 2020 at 02:18:26PM +0000, guoren@kernel.org wrote:
> From: Guo Ren <guoren@linux.alibaba.com>
>
> Obviously, there is no need to recover a0-a7 in reject path.
>
> Previous modification is from commit af33d243 by Tycho, to
> fixup seccomp reject syscall code path.
Doesn't this suffer from the same problem, though? a7 is clobbered, so
the -ERESTARTSYS behavior won't work?
I haven't run the test case that was failing before.
Tycho
next prev parent reply other threads:[~2020-05-25 14:36 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-25 14:18 [PATCH] riscv: Remove unnecessary path for syscall_trace guoren
2020-05-25 14:36 ` Tycho Andersen [this message]
2020-05-26 0:29 ` Guo Ren
2020-05-26 13:38 ` Tycho Andersen
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