Re: [PATCH 1/4] riscv: avoid kernel hangs when trapped in BUG()

[Christoph Hellwig]

On Mon, Sep 23, 2019 at 08:45:14AM +0800, Vincent Chen wrote:
> When the CONFIG_GENERIC_BUG is disabled by disabling CONFIG_BUG, if a
> kernel thread is trapped by BUG(), the whole system will be in the
> loop that infinitely handles the ebreak exception instead of entering the
> die function. To fix this problem, the do_trap_break() will always call
> the die() to deal with the break exception as the type of break is
> BUG_TRAP_TYPE_BUG.
> 
> Signed-off-by: Vincent Chen <vincent.chen@xxxxxxxxxx>

Looks good,

Reviewed-by: Christoph Hellwig <hch@xxxxxx>