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authorgVisor bot <gvisor-bot@google.com>2020-10-13 15:02:57 -0700
committergVisor bot <gvisor-bot@google.com>2020-10-13 15:02:57 -0700
commitb99f15e06d1a800b52bcd0cc241296f182878b9a (patch)
tree7964b1f28211e9ff62456524f8b6d17c8eaf8965 /pkg/sentry/platform
parent51913ba400ccff88be58ed12ac3f393258629a50 (diff)
parenteefcc478c385c504c2312594bef24806c87f825e (diff)
Merge pull request #4374 from lubinszARM:pr_ffmpeg_kvm_01
PiperOrigin-RevId: 336962937
Diffstat (limited to 'pkg/sentry/platform')
-rw-r--r--pkg/sentry/platform/ring0/entry_arm64.s11
1 files changed, 1 insertions, 10 deletions
diff --git a/pkg/sentry/platform/ring0/entry_arm64.s b/pkg/sentry/platform/ring0/entry_arm64.s
index 494baaa4d..274576e2d 100644
--- a/pkg/sentry/platform/ring0/entry_arm64.s
+++ b/pkg/sentry/platform/ring0/entry_arm64.s
@@ -297,9 +297,7 @@
LOAD_KERNEL_ADDRESS(CPU_SELF(from), RSV_REG); \
MOVD $CPU_STACK_TOP(RSV_REG), RSV_REG; \
MOVD RSV_REG, RSP; \
- WORD $0xd538d092; \ //MRS TPIDR_EL1, R18
- ISB $15; \
- DSB $15;
+ WORD $0xd538d092; //MRS TPIDR_EL1, R18
// SWITCH_TO_APP_PAGETABLE sets a new pagetable for a container application.
#define SWITCH_TO_APP_PAGETABLE(from) \
@@ -382,8 +380,6 @@ TEXT ·Halt(SB),NOSPLIT,$0
BNE mmio_exit
MOVD $0, CPU_REGISTERS+PTRACE_R9(RSV_REG)
- // Flush dcache.
- WORD $0xd5087e52 // DC CISW
mmio_exit:
// Disable fpsimd.
WORD $0xd5381041 // MRS CPACR_EL1, R1
@@ -401,9 +397,6 @@ mmio_exit:
MRS VBAR_EL1, R9
MOVD R0, 0x0(R9)
- // Flush dcahce.
- WORD $0xd5087e52 // DC CISW
-
RET
// HaltAndResume halts execution and point the pointer to the resume function.
@@ -522,8 +515,6 @@ TEXT ·kernelExitToEl1(SB),NOSPLIT,$0
// Start is the CPU entrypoint.
TEXT ·Start(SB),NOSPLIT,$0
- // Flush dcache.
- WORD $0xd5087e52 // DC CISW
// Init.
MOVD $SCTLR_EL1_DEFAULT, R1
MSR R1, SCTLR_EL1