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mirror_qemu/accel/tcg
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Richard Henderson 0d58c66068 softmmu: Use async_run_on_cpu in tcg_commit 
After system startup, run the update to memory_dispatch
and the tlb_flush on the cpu.  This eliminates a race,
wherein a running cpu sees the memory_dispatch change
but has not yet seen the tlb_flush.

Since the update now happens on the cpu, we need not use
qatomic_rcu_read to protect the read of memory_dispatch.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1826
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1834
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1846
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 		2023-08-29 09:55:06 -07:00
..
atomic_common.c.inc tcg: Use HAVE_CMPXCHG128 instead of CONFIG_CMPXCHG128 2023-07-15 08:02:49 +01:00
atomic_template.h include/exec: Replace target_ulong with abi_ptr in cpu_[st|ld]*() 2023-08-24 11:21:46 -07:00
cpu-exec-common.c softmmu: Use async_run_on_cpu in tcg_commit 2023-08-29 09:55:06 -07:00
cpu-exec.c accel/tcg: Zero-pad PC in TCG CPU exec trace lines 2023-07-17 11:05:08 +01:00
cputlb.c accel/tcg: Update run_on_cpu_data static assert 2023-08-24 11:22:38 -07:00
debuginfo.c accel/tcg: Add debuginfo support 2023-01-16 10:14:12 -10:00
debuginfo.h coroutine: Split qemu/coroutine-core.h off qemu/coroutine.h 2023-01-20 07:21:46 +01:00
internal.h accel/tcg: Always lock pages before translation 2023-07-15 08:02:33 +01:00
ldst_atomicity.c.inc accel/tcg: Avoid reading too much in load_atom_{2,4} 2023-08-10 10:59:24 -07:00
ldst_common.c.inc accel/tcg: Unify cpu_{ld,st}*_{be,le}_mmu 2023-05-23 18:54:28 -07:00
meson.build meson: Replace CONFIG_SOFTMMU -> CONFIG_SYSTEM_ONLY 2023-06-20 10:01:30 +02:00
monitor.c accel/tcg: remove CONFIG_PROFILER 2023-06-26 17:33:00 +02:00
perf.c accel/tcg: Unmap perf_marker 2023-06-05 12:06:49 -07:00
perf.h tcg: add perfmap and jitdump 2023-01-16 10:14:12 -10:00
plugin-gen.c tcg: Remove target-specific headers from tcg.[ch] 2023-06-05 12:04:29 -07:00
plugin-helpers.h tcg: exclude non-memory effecting helpers from instrumentation 2023-02-02 11:48:20 +00:00
tb-context.h tcg: Move tb_phys_invalidate_count to tb_ctx 2021-07-09 09:38:33 -07:00
tb-hash.h accel/tcg: Widen pc to vaddr in CPUJumpCache 2023-06-26 17:32:59 +02:00
tb-jmp-cache.h accel/tcg: Widen pc to vaddr in CPUJumpCache 2023-06-26 17:32:59 +02:00
tb-maint.c accel/tcg: Always lock pages before translation 2023-07-15 08:02:33 +01:00
tcg-accel-ops-icount.c accel/tcg/tcg-accel-ops-rr: ensure fairness with icount 2023-05-11 09:53:41 +01:00
tcg-accel-ops-icount.h accel/tcg/tcg-accel-ops-rr: ensure fairness with icount 2023-05-11 09:53:41 +01:00
tcg-accel-ops-mttcg.c accel: Remove unused hThread variable on TCG/WHPX 2023-06-28 13:55:35 +02:00
tcg-accel-ops-mttcg.h Clean up header guards that don't match their file name 2022-05-11 16:49:06 +02:00
tcg-accel-ops-rr.c accel: Remove unused hThread variable on TCG/WHPX 2023-06-28 13:55:35 +02:00
tcg-accel-ops-rr.h Clean up header guards that don't match their file name 2022-05-11 16:49:06 +02:00
tcg-accel-ops.c accel/tcg: remove CONFIG_PROFILER 2023-06-26 17:33:00 +02:00
tcg-accel-ops.h Clean up header guards that don't match their file name 2022-05-11 16:49:06 +02:00
tcg-all.c accel/tcg: Remove check_tcg_memory_orders_compatible 2023-06-26 17:33:00 +02:00
tcg-runtime-gvec.c tcg: Split helper-proto.h 2023-06-05 12:04:29 -07:00
tcg-runtime.c tcg: Split helper-proto.h 2023-06-05 12:04:29 -07:00
tcg-runtime.h tcg: Use HAVE_CMPXCHG128 instead of CONFIG_CMPXCHG128 2023-07-15 08:02:49 +01:00
trace-events accel/tcg: Remove trace events from trace-root.h 2022-12-20 17:11:12 -08:00
trace.h trace: switch position of headers to what Meson requires 2020-08-21 06:18:24 -04:00
translate-all.c accel/tcg: Clear tcg_ctx->gen_tb on buffer overflow 2023-07-31 12:19:13 -07:00
translator.c accel/tcg: Always lock pages before translation 2023-07-15 08:02:33 +01:00
user-exec-stub.c replay: Extract core API to 'exec/replay-core.h' 2023-02-27 22:29:01 +01:00
user-exec.c accel/tcg: Fix type of 'last' for pageflags_{find,next} 2023-07-24 09:48:49 +01:00