From: Christoph Hellwig <hch@infradead.org>
To: Vincent Chen <vincent.chen@sifive.com>
Cc: linux-riscv@lists.infradead.org, palmer@sifive.com,
linux-kernel@vger.kernel.org, aou@eecs.berkeley.edu,
paul.walmsley@sifive.com
Subject: Re: [PATCH 2/4] rsicv: avoid sending a SIGTRAP to a user thread trapped in WARN()
Date: Fri, 27 Sep 2019 15:27:22 -0700 [thread overview]
Message-ID: <20190927222722.GG4700@infradead.org> (raw)
In-Reply-To: <1569199517-5884-3-git-send-email-vincent.chen@sifive.com>
On Mon, Sep 23, 2019 at 08:45:15AM +0800, Vincent Chen wrote:
> On RISC-V, when the kernel runs code on behalf of a user thread, and the
> kernel executes a WARN() or WARN_ON(), the user thread will be sent
> a bogus SIGTRAP. Fix the RISC-V kernel code to not send a SIGTRAP when
> a WARN()/WARN_ON() is executed.
>
> Signed-off-by: Vincent Chen <vincent.chen@sifive.com>
Looks good,
Reviewed-by: Christoph Hellwig <hch@lst.de>
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next prev parent reply other threads:[~2019-09-27 22:27 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-23 0:45 [PATCH 0/4] riscv: correct the do_trap_break() Vincent Chen
2019-09-23 0:45 ` [PATCH 1/4] riscv: avoid kernel hangs when trapped in BUG() Vincent Chen
2019-09-27 22:25 ` Christoph Hellwig
2019-10-04 18:26 ` Paul Walmsley
2019-09-23 0:45 ` [PATCH 2/4] rsicv: avoid sending a SIGTRAP to a user thread trapped in WARN() Vincent Chen
2019-09-27 22:27 ` Christoph Hellwig [this message]
2019-09-27 22:56 ` Christoph Hellwig
2019-09-30 0:22 ` Vincent Chen
2019-10-04 18:26 ` Paul Walmsley
2019-09-23 0:45 ` [PATCH 3/4] riscv: Correct the handling of unexpected ebreak in do_trap_break() Vincent Chen
2019-09-27 22:43 ` Christoph Hellwig
2019-10-04 18:28 ` Paul Walmsley
2019-09-23 0:45 ` [PATCH 4/4] riscv: remove the switch statement " Vincent Chen
2019-09-27 22:47 ` Christoph Hellwig
2019-10-07 16:08 ` Paul Walmsley
2019-10-07 16:10 ` Christoph Hellwig
2019-10-07 16:30 ` Paul Walmsley
2019-10-08 0:14 ` Vincent Chen
2019-10-08 17:07 ` Paul Walmsley
2019-10-09 22:26 ` Paul Walmsley
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