diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2014-03-07 16:17:06 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2014-03-07 16:17:06 +0000 |
| commit | 73f2662b3fa8e7151168bfd7f070880c53bc5663 (patch) | |
| tree | dc287a630c8e19159b1f44f8e237f64aa1554814 /arch/arm | |
| parent | d94905e019acce960feeda1f92a9427fbe45ebbe (diff) | |
| parent | 00fd9619120db1d6a19be2f9e3df6f76234b311b (diff) | |
Merge branch 'topic/of-graph' of git://git.pengutronix.de/git/pza/linux into imx-drm-staging
Merge the of-graph dependency for imx-drm. These will be the basis of
the new DT bindings for imx-drm.
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/kvm/arm.c | 3 | ||||
| -rw-r--r-- | arch/arm/kvm/interrupts.S | 11 |
2 files changed, 12 insertions, 2 deletions
diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c index 1d8248ea5669..bd18bb8b2770 100644 --- a/arch/arm/kvm/arm.c +++ b/arch/arm/kvm/arm.c @@ -878,7 +878,8 @@ static int hyp_init_cpu_pm_notifier(struct notifier_block *self, unsigned long cmd, void *v) { - if (cmd == CPU_PM_EXIT) { + if (cmd == CPU_PM_EXIT && + __hyp_get_vectors() == hyp_default_vectors) { cpu_init_hyp_mode(NULL); return NOTIFY_OK; } diff --git a/arch/arm/kvm/interrupts.S b/arch/arm/kvm/interrupts.S index ddc15539bad2..0d68d4073068 100644 --- a/arch/arm/kvm/interrupts.S +++ b/arch/arm/kvm/interrupts.S @@ -220,6 +220,10 @@ after_vfp_restore: * in Hyp mode (see init_hyp_mode in arch/arm/kvm/arm.c). Return values are * passed in r0 and r1. * + * A function pointer with a value of 0xffffffff has a special meaning, + * and is used to implement __hyp_get_vectors in the same way as in + * arch/arm/kernel/hyp_stub.S. + * * The calling convention follows the standard AAPCS: * r0 - r3: caller save * r12: caller save @@ -363,6 +367,11 @@ hyp_hvc: host_switch_to_hyp: pop {r0, r1, r2} + /* Check for __hyp_get_vectors */ + cmp r0, #-1 + mrceq p15, 4, r0, c12, c0, 0 @ get HVBAR + beq 1f + push {lr} mrs lr, SPSR push {lr} @@ -378,7 +387,7 @@ THUMB( orr lr, #1) pop {lr} msr SPSR_csxf, lr pop {lr} - eret +1: eret guest_trap: load_vcpu @ Load VCPU pointer to r0 |