[PATCH v4] arm64: errata: Work around AmpereOne's erratum AC04_CPU_23

[Marc Zyngier]

On Tue, 13 May 2025 11:45:14 -0700, D Scott Phillips wrote:
> On AmpereOne AC04, updates to HCR_EL2 can rarely corrupt simultaneous
> translations for data addresses initiated by load/store instructions.
> Only instruction initiated translations are vulnerable, not translations
> from prefetches for example. A DSB before the store to HCR_EL2 is
> sufficient to prevent older instructions from hitting the window for
> corruption, and an ISB after is sufficient to prevent younger
> instructions from hitting the window for corruption.
> 
> [...]

Applied to next, thanks!

[1/1] arm64: errata: Work around AmpereOne's erratum AC04_CPU_23
      commit: fed55f49fad181be9dfb93c06efc4ab2b71a72a9

Cheers,

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