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authorMarc Zyngier <maz@kernel.org>2020-07-06 17:38:00 +0100
committerWill Deacon <will@kernel.org>2020-07-08 21:57:51 +0100
commitc1fbec4ac0d701f350a581941d35643d5a9cd184 (patch)
tree31240fab9eb3cba623c6c3fcc9b80c4c9ba54827 /arch
parent97884ca8c2925d14c32188e865069f21378b4b4f (diff)
arm64: arch_timer: Allow an workaround descriptor to disable compat vdso
As we are about to disable the vdso for compat tasks in some circumstances, let's allow a workaround descriptor to express exactly that. Signed-off-by: Marc Zyngier <maz@kernel.org> Acked-by: Mark Rutland <mark.rutland@arm.com> Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20200706163802.1836732-3-maz@kernel.org Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm64/include/asm/arch_timer.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/arch_timer.h b/arch/arm64/include/asm/arch_timer.h
index 7ae54d7d333a..9f0ec21d6327 100644
--- a/arch/arm64/include/asm/arch_timer.h
+++ b/arch/arm64/include/asm/arch_timer.h
@@ -58,6 +58,7 @@ struct arch_timer_erratum_workaround {
u64 (*read_cntvct_el0)(void);
int (*set_next_event_phys)(unsigned long, struct clock_event_device *);
int (*set_next_event_virt)(unsigned long, struct clock_event_device *);
+ bool disable_compat_vdso;
};
DECLARE_PER_CPU(const struct arch_timer_erratum_workaround *,