[PATCH AUTOSEL 5.11 036/104] KVM: arm64: Use BUG and BUG_ON in nVHE hyp

[Sasha Levin]

On Wed, May 05, 2021 at 05:48:51PM +0100, Marc Zyngier wrote:
>Sasha,
>
>On Wed, 05 May 2021 17:33:05 +0100,
>Sasha Levin <sashal at kernel.org> wrote:
>>
>> From: Andrew Scull <ascull at google.com>
>>
>> [ Upstream commit f79e616f27ab6cd74deb0995a8eead3d1c9d65af ]
>>
>> hyp_panic() reports the address of the panic by using ELR_EL2, but this
>> isn't a useful address when hyp_panic() is called directly. Replace such
>> direct calls with BUG() and BUG_ON() which use BRK to trigger an
>> exception that then goes to hyp_panic() with the correct address. Also
>> remove the hyp_panic() declaration from the header file to avoid
>> accidental misuse.
>>
>> Signed-off-by: Andrew Scull <ascull at google.com>
>> Acked-by: Will Deacon <will at kernel.org>
>> Signed-off-by: Marc Zyngier <maz at kernel.org>
>> Link: https://lore.kernel.org/r/20210318143311.839894-5-ascull@google.com
>> Signed-off-by: Sasha Levin <sashal at kernel.org>
>
>This has no chance of working without the patches that enable BUG()
>support at EL2, and *really* isn't stable material.
>
>Please drop this patch.

Will do, thanks!

-- 
Thanks,
Sasha