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authorgVisor bot <gvisor-bot@google.com>2020-10-13 22:06:14 +0000
committergVisor bot <gvisor-bot@google.com>2020-10-13 22:06:14 +0000
commit2f129ea61dca446cacf0068d9b47cdddc772dd57 (patch)
tree7b534f01c28bf5c373b1d0615095e50a6a57c2b0 /pkg/sentry
parent85787349afad0ddb9252a3a474c0d4c2b8520492 (diff)
parentb99f15e06d1a800b52bcd0cc241296f182878b9a (diff)
Merge release-20200928.0-107-gb99f15e06 (automated)
Diffstat (limited to 'pkg/sentry')
-rw-r--r--pkg/sentry/platform/ring0/entry_impl_arm64.s11
1 files changed, 1 insertions, 10 deletions
diff --git a/pkg/sentry/platform/ring0/entry_impl_arm64.s b/pkg/sentry/platform/ring0/entry_impl_arm64.s
index 485cf9bbb..6a8376032 100644
--- a/pkg/sentry/platform/ring0/entry_impl_arm64.s
+++ b/pkg/sentry/platform/ring0/entry_impl_arm64.s
@@ -367,9 +367,7 @@
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) \
@@ -452,8 +450,6 @@ 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
@@ -471,9 +467,6 @@ 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.
@@ -592,8 +585,6 @@ 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