Re: [PATCH 2/4] rsicv: avoid sending a SIGTRAP to a user thread trapped in WARN()

From: Christoph Hellwig
Date: Fri Sep 27 2019 - 18:27:23 EST


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@xxxxxxxxxx>

Looks good,

Reviewed-by: Christoph Hellwig <hch@xxxxxx>