[v2, 1/6] powerpc/watchdog: do not panic from locked CPU's IPI handler

Michael Ellerman patch-notifications at ellerman.id.au
Thu Oct 5 15:21:41 AEDT 2017


On Fri, 2017-09-29 at 03:29:37 UTC, Nicholas Piggin wrote:
> The SMP watchdog will detect locked CPUs and IPI them to print a
> backtrace and registers. If panic on hard lockup is enabled, do
> not panic from this handler, because that can cause recursion into
> the IPI layer during the panic.
> 
> The caller already panics in this case.
> 
> Signed-off-by: Nicholas Piggin <npiggin at gmail.com>

Series applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/842dc1dbabb5e874550b52d896851e

cheers


More information about the Linuxppc-dev mailing list