diff options
| author | Mark Rutland <mark.rutland@arm.com> | 2020-11-13 13:49:22 +0100 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2020-12-02 20:44:02 +0100 |
| commit | 515d5c8a1374b307225e41b3e66b0aad08585f53 (patch) | |
| tree | 152752dafb390715e775ce93e1e3ce5ccf2f7e41 /arch/arm64/kernel/proton-pack.c | |
| parent | arm64: ensure ERET from kthread is illegal (diff) | |
| download | linux-515d5c8a1374b307225e41b3e66b0aad08585f53.tar.xz linux-515d5c8a1374b307225e41b3e66b0aad08585f53.zip | |
arm64: add C wrappers for SET_PSTATE_*()
To make callsites easier to read, add trivial C wrappers for the
SET_PSTATE_*() helpers, and convert trivial uses over to these. The new
wrappers will be used further in subsequent patches.
There should be no functional change as a result of this patch.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: James Morse <james.morse@arm.com>
Cc: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20201113124937.20574-3-mark.rutland@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/kernel/proton-pack.c')
| -rw-r--r-- | arch/arm64/kernel/proton-pack.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm64/kernel/proton-pack.c b/arch/arm64/kernel/proton-pack.c index 4b202e460e6d..6809b556538f 100644 --- a/arch/arm64/kernel/proton-pack.c +++ b/arch/arm64/kernel/proton-pack.c @@ -538,12 +538,12 @@ static enum mitigation_state spectre_v4_enable_hw_mitigation(void) if (spectre_v4_mitigations_off()) { sysreg_clear_set(sctlr_el1, 0, SCTLR_ELx_DSSBS); - asm volatile(SET_PSTATE_SSBS(1)); + set_pstate_ssbs(1); return SPECTRE_VULNERABLE; } /* SCTLR_EL1.DSSBS was initialised to 0 during boot */ - asm volatile(SET_PSTATE_SSBS(0)); + set_pstate_ssbs(0); return SPECTRE_MITIGATED; } |