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Commit 1edf9722 authored by Vinayak Menon's avatar Vinayak Menon Committed by Gerrit - the friendly Code Review server
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arm64: kpti: force off kpti 



Since most of the CPUs aren't prone to meltdown,
force off the kpti feature. Enable on required
targets.

Change-Id: If78c70bcaeac2b157a901e5036190aaf9e5aabf6
Signed-off-by: default avatarVinayak Menon <vinmenon@codeaurora.org>
parent d3fc7ea1

arch/arm64/kernel/cpufeature.c

+2 −1
Original line number Original line Diff line number Diff line
@@ -966,7 +966,8 @@ has_useable_cnp(const struct arm64_cpu_capabilities *entry, int scope) 
}

}





static bool __meltdown_safe = true;

static bool __meltdown_safe = true;

static int __kpti_forced; /* 0: not forced, >0: forced on, <0: forced off */

/* 0: not forced, >0: forced on, <0: forced off */

static int __kpti_forced = -1;





static bool unmap_kernel_at_el0(const struct arm64_cpu_capabilities *entry,

static bool unmap_kernel_at_el0(const struct arm64_cpu_capabilities *entry,

				int scope)

				int scope)