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qemu/target/arm
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Richard Henderson 93f379b0c4 target/arm: Only flush tlb if ASID changes 
Since QEMU does not implement ASIDs, changes to the ASID must flush the
tlb.  However, if the ASID does not change there is no reason to flush.

In testing a boot of the Ubuntu installer to the first menu, this reduces
the number of flushes by 30%, or nearly 600k instances.

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>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20181019015617.22583-3-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-10-24 07:51:37 +01:00
..
arch_dump.c target/arm: Add aa{32, 64}_vfp_{dreg, qreg} helpers 2018-01-25 11:45:29 +00:00
arm_ldst.h target: Do not include "exec/exec-all.h" if it is not necessary 2018-06-01 14:15:10 +02:00
arm-powerctl.c target-arm: powerctl: Enable HVC when starting CPUs to EL2 2018-10-16 17:14:55 +01:00
arm-powerctl.h target-arm/powerctl: defer cpu reset work to CPU context 2017-02-24 10:32:46 +00:00
arm-semi.c target/arm: Remove a handful of stray tabs 2018-08-24 13:17:48 +01:00
cpu64.c target/arm: Convert v8.2-fp16 from feature bit to aa64pfr0 test 2018-10-24 07:51:31 +01:00
cpu-qom.h target/arm: Add "-cpu max" support 2018-03-09 17:09:44 +00:00
cpu.c target/arm: Convert jazelle from feature bit to isar1 test 2018-10-24 07:50:17 +01:00
cpu.h target/arm: Convert v8.2-fp16 from feature bit to aa64pfr0 test 2018-10-24 07:51:31 +01:00
crypto_helper.c target: Do not include "exec/exec-all.h" if it is not necessary 2018-06-01 14:15:10 +02:00
gdbstub64.c Move target-* CPU file into a target/ folder 2016-12-20 21:52:12 +01:00
gdbstub.c arm: fix malloc type mismatch 2018-05-31 14:50:52 +01:00
helper-a64.c target/arm: Check HAVE_CMPXCHG128 at translate time 2018-10-18 19:46:53 -07:00
helper-a64.h target/arm: Implement FCMP for fp16 2018-05-15 14:58:43 +01:00
helper-sve.h target/arm: Rewrite vector gather first-fault loads 2018-10-08 14:55:03 +01:00
helper.c target/arm: Only flush tlb if ASID changes 2018-10-24 07:51:37 +01:00
helper.h target/arm: Add v8M stack checks on ADD/SUB/MOV of SP 2018-10-08 14:55:04 +01:00
idau.h target/arm: Define an IDAU interface 2018-03-02 11:03:45 +00:00
internals.h target/arm: Report correct syndrome for FP/SIMD traps to Hyp mode 2018-10-24 07:51:36 +01:00
iwmmxt_helper.c target/arm: Untabify iwmmxt_helper.c 2018-08-24 13:17:48 +01:00
kvm32.c target/arm: Add support for VCPU event states 2018-10-24 07:50:16 +01:00
kvm64.c target/arm: New utility function to extract EC from syndrome 2018-10-24 07:51:36 +01:00
kvm_arm.h target/arm: Add support for VCPU event states 2018-10-24 07:50:16 +01:00
kvm-consts.h arm: add trailing ; after MISMATCH_CHECK 2017-02-01 03:37:18 +02:00
kvm-stub.c Move target-* CPU file into a target/ folder 2016-12-20 21:52:12 +01:00
kvm.c target/arm: Add support for VCPU event states 2018-10-24 07:50:16 +01:00
machine.c target/arm: Convert sve from feature bit to aa64pfr0 test 2018-10-24 07:51:29 +01:00
Makefile.objs target/arm: Implement SVE predicate test 2018-05-18 17:48:08 +01:00
monitor.c qapi: Empty out qapi-schema.json 2018-03-02 13:45:50 -06:00
neon_helper.c target: Do not include "exec/exec-all.h" if it is not necessary 2018-06-01 14:15:10 +02:00
op_addsub.h Move target-* CPU file into a target/ folder 2016-12-20 21:52:12 +01:00
op_helper.c target/arm: New utility function to extract EC from syndrome 2018-10-24 07:51:36 +01:00
psci.c target: Do not include "exec/exec-all.h" if it is not necessary 2018-06-01 14:15:10 +02:00
sve_helper.c target/arm: Pass TCGMemOpIdx to sve memory helpers 2018-10-08 14:55:03 +01:00
sve.decode target/arm: Implement SVE dot product (indexed) 2018-06-29 15:11:15 +01:00
trace-events target/arm/kvm: Translate the MSI doorbell in kvm_arch_fixup_msi_route 2018-05-04 18:52:58 +01:00
translate-a64.c target/arm: Use gvec for NEON_3R_VTST_VCEQ, NEON_3R_VCGT, NEON_3R_VCGE 2018-10-24 07:51:37 +01:00
translate-a64.h target/arm: Extend vec_reg_offset to larger sizes 2018-06-15 15:23:34 +01:00
translate-sve.c target/arm: Pass TCGMemOpIdx to sve memory helpers 2018-10-08 14:55:03 +01:00
translate.c target/arm: Reorg NEON VLD/VST single element to one lane 2018-10-24 07:51:37 +01:00
translate.h target/arm: Use gvec for NEON_3R_VTST_VCEQ, NEON_3R_VCGT, NEON_3R_VCGE 2018-10-24 07:51:37 +01:00
vec_helper.c target/arm: Implement SVE dot product (indexed) 2018-06-29 15:11:15 +01:00