[PATCH] arm64/sve: Better handle failure to allocate SVE register storage

[Mark Brown]

On Tue, Aug 24, 2021 at 11:32:14AM +0100, Catalin Marinas wrote:
> On Tue, Aug 17, 2021 at 06:13:30PM +0100, Mark Brown wrote:

> > -	BUG_ON(!task->thread.sve_state);

> I think we should keep a WARN_ON_ONCE here in case one wonders why the
> app was suddenly killed.

OOM is very noisy already, the general advice is not to issue any
extra diagnostics on allocation failures as there's already going to be
at the very least a backtrace from the allocation failure site.
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