[PATCH v2] KVM: arm64: Populate fault info for watchpoint

Marc Zyngier maz at kernel.org
Tue May 30 00:41:33 PDT 2023


On Tue, 30 May 2023 03:46:51 +0100,
Akihiko Odaki <akihiko.odaki at daynix.com> wrote:
> 
> When handling ESR_ELx_EC_WATCHPT_LOW, far_el2 member of struct
> kvm_vcpu_fault_info will be copied to far member of struct
> kvm_debug_exit_arch and exposed to the userspace. The userspace will
> see stale values from older faults if the fault info does not get
> populated.
> 
> Fixes: 8fb2046180a0 ("KVM: arm64: Move early handlers to per-EC handlers")
> Suggested-by: Marc Zyngier <maz at kernel.org>
> Signed-off-by: Akihiko Odaki <akihiko.odaki at daynix.com>

Thanks for respining this quickly. I've added a Cc: stable as we need
to get this backported.

Cheers,

	M.

-- 
Without deviation from the norm, progress is not possible.



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