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[PULL,44/45] target/arm: Remove writefn from TTBR0_EL3

Message ID 20181019165735.22511-45-peter.maydell@linaro.org
State New
Headers show
Series [PULL,01/45] ssi-sd: Make devices picking up backends unavailable with -device | expand

Commit Message

Peter Maydell Oct. 19, 2018, 4:57 p.m. UTC 
From: Richard Henderson <richard.henderson@linaro.org>

The EL3 version of this register does not include an ASID,
and so the tlb_flush performed by vmsa_ttbr_write is not needed.

Reviewed-by: Aaron Lindsay <aaron@os.amperecomputing.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20181019015617.22583-2-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 target/arm/helper.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/target/arm/helper.c b/target/arm/helper.c
index bf4f50196de..20114bf574d 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -4312,7 +4312,7 @@  static const ARMCPRegInfo el3_cp_reginfo[] = {
       .fieldoffset = offsetof(CPUARMState, cp15.mvbar) },
     { .name = "TTBR0_EL3", .state = ARM_CP_STATE_AA64,
       .opc0 = 3, .opc1 = 6, .crn = 2, .crm = 0, .opc2 = 0,
-      .access = PL3_RW, .writefn = vmsa_ttbr_write, .resetvalue = 0,
+      .access = PL3_RW, .resetvalue = 0,
       .fieldoffset = offsetof(CPUARMState, cp15.ttbr0_el[3]) },
     { .name = "TCR_EL3", .state = ARM_CP_STATE_AA64,
       .opc0 = 3, .opc1 = 6, .crn = 2, .crm = 0, .opc2 = 2,