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authorOlof Johansson <olof@lixom.net>2013-07-12 10:59:39 -0700
committerOlof Johansson <olof@lixom.net>2013-07-12 10:59:39 -0700
commitf4b96f5e4ff8d86699c851c10245e102809b0331 (patch)
treef766102263bed71738431cabb4d4f6f086005cd8 /arch/arm/kvm/interrupts.S
parentARM: omap2: add select of TI_PRIV_EDMA (diff)
parentARM: OMAP2+: omap2plus_defconfig: Enable appended DTB support (diff)
downloadlinux-dev-f4b96f5e4ff8d86699c851c10245e102809b0331.tar.xz
linux-dev-f4b96f5e4ff8d86699c851c10245e102809b0331.zip
Merge tag 'omap-for-v3.11/fixes-for-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Omap fixes and minor defconfig updates that would be good to get in before -rc1. * tag 'omap-for-v3.11/fixes-for-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: OMAP2+: omap2plus_defconfig: Enable appended DTB support ARM: OMAP2+: Enable TI_EDMA in omap2plus_defconfig ARM: OMAP2+: omap2plus_defconfig: enable DRA752 thermal support by default ARM: OMAP2+: omap2plus_defconfig: enable TI bandgap driver ARM: OMAP2+: devices: remove duplicated include from devices.c ARM: OMAP3: igep0020: Set DSS pins in correct mux mode. ARM: OMAP2+: N900: enable N900-specific drivers even if device tree is enabled ARM: OMAP2+: Cocci spatch "ptr_ret.spatch" ARM: OMAP2+: Remove obsolete Makefile line ARM: OMAP5: Enable Cortex A15 errata 798181 ARM: scu: provide inline dummy functions when SCU is not present ARM: OMAP4: sleep: build OMAP4 specific functions only for OMAP4 ARM: OMAP2+: timer: initialize before using oh_name Signed-off-by: Olof Johansson <olof@lixom.net> Add/move/change conflicts in arch/arm/mach-omap2/Kconfig resolved.
Diffstat (limited to 'arch/arm/kvm/interrupts.S')
-rw-r--r--arch/arm/kvm/interrupts.S16
1 files changed, 15 insertions, 1 deletions
diff --git a/arch/arm/kvm/interrupts.S b/arch/arm/kvm/interrupts.S
index f7793df62f58..16cd4ba5d7fd 100644
--- a/arch/arm/kvm/interrupts.S
+++ b/arch/arm/kvm/interrupts.S
@@ -49,6 +49,7 @@ __kvm_hyp_code_start:
ENTRY(__kvm_tlb_flush_vmid_ipa)
push {r2, r3}
+ dsb ishst
add r0, r0, #KVM_VTTBR
ldrd r2, r3, [r0]
mcrr p15, 6, r2, r3, c2 @ Write VTTBR
@@ -291,6 +292,7 @@ THUMB( orr r2, r2, #PSR_T_BIT )
ldr r2, =BSYM(panic)
msr ELR_hyp, r2
ldr r0, =\panic_str
+ clrex @ Clear exclusive monitor
eret
.endm
@@ -414,6 +416,10 @@ guest_trap:
mrcne p15, 4, r2, c6, c0, 4 @ HPFAR
bne 3f
+ /* Preserve PAR */
+ mrrc p15, 0, r0, r1, c7 @ PAR
+ push {r0, r1}
+
/* Resolve IPA using the xFAR */
mcr p15, 0, r2, c7, c8, 0 @ ATS1CPR
isb
@@ -424,13 +430,20 @@ guest_trap:
lsl r2, r2, #4
orr r2, r2, r1, lsl #24
+ /* Restore PAR */
+ pop {r0, r1}
+ mcrr p15, 0, r0, r1, c7 @ PAR
+
3: load_vcpu @ Load VCPU pointer to r0
str r2, [r0, #VCPU_HPFAR]
1: mov r1, #ARM_EXCEPTION_HVC
b __kvm_vcpu_return
-4: pop {r0, r1, r2} @ Failed translation, return to guest
+4: pop {r0, r1} @ Failed translation, return to guest
+ mcrr p15, 0, r0, r1, c7 @ PAR
+ clrex
+ pop {r0, r1, r2}
eret
/*
@@ -456,6 +469,7 @@ switch_to_guest_vfp:
pop {r3-r7}
pop {r0-r2}
+ clrex
eret
#endif