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| author | Marc Zyngier <marc.zyngier@arm.com> | 2013-01-23 13:21:59 -0500 |
|---|---|---|
| committer | Marc Zyngier <marc.zyngier@arm.com> | 2013-02-11 19:05:38 +0000 |
| commit | c7e3ba64ba16eddfbfc66ec099860f40e808e124 (patch) | |
| tree | 42050cb8efe5233629efaabc3917bad4a22741c8 /arch/arm/include | |
| parent | 53e724067a4ee9373972079e225d0d5f683b9c5a (diff) | |
| download | linux-c7e3ba64ba16eddfbfc66ec099860f40e808e124.tar.gz | |
ARM: KVM: arch_timers: Add timer world switch
Do the necessary save/restore dance for the timers in the world switch code. In the process, allow the guest to read the physical counter, which is useful for its own clock_event_device. Reviewed-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Christoffer Dall <c.dall@virtualopensystems.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'arch/arm/include')
| -rw-r--r-- | arch/arm/include/asm/kvm_asm.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/arm/include/asm/kvm_asm.h b/arch/arm/include/asm/kvm_asm.h index 5e06e8177784..e4956f4e23e1 100644 --- a/arch/arm/include/asm/kvm_asm.h +++ b/arch/arm/include/asm/kvm_asm.h @@ -45,7 +45,8 @@ #define c13_TID_URW 23 /* Thread ID, User R/W */ #define c13_TID_URO 24 /* Thread ID, User R/O */ #define c13_TID_PRIV 25 /* Thread ID, Privileged */ -#define NR_CP15_REGS 26 /* Number of regs (incl. invalid) */ +#define c14_CNTKCTL 26 /* Timer Control Register (PL1) */ +#define NR_CP15_REGS 27 /* Number of regs (incl. invalid) */ #define ARM_EXCEPTION_RESET 0 #define ARM_EXCEPTION_UNDEFINED 1 |