diff options
| author | Mark Brown <broonie@kernel.org> | 2023-01-16 16:04:42 +0000 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2023-01-20 12:23:06 +0000 |
| commit | f122576f35336820259a79847e408b9f807eba15 (patch) | |
| tree | a32d2f063b3771802caf08583269a0f918e53df1 /arch/arm64/kernel/idreg-override.c | |
| parent | 2cdeecdb95134cc0abc76626a59c94073cda8a47 (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>
Diffstat (limited to 'arch/arm64/kernel/idreg-override.c')
| -rw-r--r-- | arch/arm64/kernel/idreg-override.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/kernel/idreg-override.c b/arch/arm64/kernel/idreg-override.c index 95133765ed29..d833d78a7f31 100644 --- a/arch/arm64/kernel/idreg-override.c +++ b/arch/arm64/kernel/idreg-override.c @@ -131,6 +131,7 @@ static const struct ftr_set_desc smfr0 __initconst = { .name = "id_aa64smfr0", .override = &id_aa64smfr0_override, .fields = { + FIELD("smever", ID_AA64SMFR0_EL1_SMEver_SHIFT, NULL), /* FA64 is a one bit field... :-/ */ { "fa64", ID_AA64SMFR0_EL1_FA64_SHIFT, 1, }, {} |