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arm64/sme: Enable host kernel to access ZT0
authorMark Brown <broonie@kernel.org>
Mon, 16 Jan 2023 16:04:42 +0000 (16:04 +0000)
committerCatalin Marinas <catalin.marinas@arm.com>
Fri, 20 Jan 2023 12:23:06 +0000 (12:23 +0000)
commitf122576f35336820259a79847e408b9f807eba15
treea32d2f063b3771802caf08583269a0f918e53df1tree
parent2cdeecdb95134cc0abc76626a59c94073cda8a47commit | diff
arm64/sme: Enable host kernel to access ZT0

The new register ZT0 introduced by SME2 comes with a new trap, disable it
for the host kernel so that we can implement support for it.

Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20221208-arm64-sme2-v4-7-f2fa0aef982f@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
arch/arm64/kernel/hyp-stub.S diff | blob | history
arch/arm64/kernel/idreg-override.c diff | blob | history
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