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arm64: Get rid of arm64_ssbd_state

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Out with the old ghost, in with the new...

Signed-off-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Marc Zyngier 2020-09-18 14:11:25 +01:00 committed by Will Deacon
parent d63d975a71
commit 31c84d6c9c
2 changed files with 0 additions and 16 deletions
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14
arch/arm64/include/asm/cpufeature.h
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@ -698,20 +698,6 @@ static inline bool system_supports_tlb_range(void)
cpus_have_const_cap(ARM64_HAS_TLB_RANGE);
}
#define ARM64_SSBD_UNKNOWN -1
#define ARM64_SSBD_FORCE_DISABLE 0
#define ARM64_SSBD_KERNEL 1
#define ARM64_SSBD_FORCE_ENABLE 2
#define ARM64_SSBD_MITIGATED 3
static inline int arm64_get_ssbd_state(void)
{
extern int ssbd_state;
return ssbd_state;
}
void arm64_set_ssbd_mitigation(bool state);
extern int do_emulate_mrs(struct pt_regs *regs, u32 sys_reg, u32 rt);
static inline u32 id_aa64mmfr0_parange_to_phys_shift(int parange)

2
arch/arm64/kernel/cpu_errata.c
View File

@ -106,8 +106,6 @@ cpu_enable_trap_ctr_access(const struct arm64_cpu_capabilities *cap)
sysreg_clear_set(sctlr_el1, SCTLR_EL1_UCT, 0);
}
int ssbd_state __read_mostly = ARM64_SSBD_UNKNOWN;
#ifdef CONFIG_ARM64_ERRATUM_1463225
DEFINE_PER_CPU(int, __in_cortex_a76_erratum_1463225_wa);