qemu/softmmu
Alex Bennée aff0e204cb accel/tcg: suppress IRQ check for special TBs
When we set cpu->cflags_next_tb it is because we want to carefully
control the execution of the next TB. Currently there is a race that
causes the second stage of watchpoint handling to get ignored if an
IRQ is processed before we finish executing the instruction that
triggers the watchpoint. Use the new CF_NOIRQ facility to avoid the
race.

We also suppress IRQs when handling precise self modifying code to
avoid unnecessary bouncing.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Cc: Pavel Dovgalyuk <pavel.dovgalyuk@ispras.ru>
Fixes: https://gitlab.com/qemu-project/qemu/-/issues/245
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20211129140932.4115115-3-alex.bennee@linaro.org>
2021-11-29 15:12:37 +00:00
..
arch_init.c meson.build: Define QEMU_ARCH in config-target.h 2021-08-26 17:02:00 +01:00
balloon.c
bootdevice.c
cpu-throttle.c cpu-throttle: Remove timer_mod() from cpu_throttle_set() 2021-02-08 15:15:32 +01:00
cpu-timers.c icount: get rid of static variable 2021-04-01 09:40:45 +02:00
cpus.c misc: Remove redundant new line in perror() 2021-07-09 18:42:46 +02:00
datadir.c
device_tree.c device_tree: Add qemu_fdt_add_path 2021-10-20 18:17:54 -07:00
dma-helpers.c dma: Introduce dma_aligned_pow2_mask() 2021-03-12 12:40:10 +00:00
globals.c
icount.c icount: get rid of static variable 2021-04-01 09:40:45 +02:00
ioport.c
main.c
memory_mapping.c softmmu/memory_mapping: optimize for RamDiscardManager sections 2021-10-02 08:43:22 +02:00
memory.c memory: Introduce replay_discarded callback for RamDiscardManager 2021-11-01 22:56:44 +01:00
meson.build
physmem.c accel/tcg: suppress IRQ check for special TBs 2021-11-29 15:12:37 +00:00
qdev-monitor.c pci,pc,virtio: bugfixes 2021-11-15 21:56:15 +01:00
qemu-seccomp.c seccomp: don't block getters for resource control syscalls 2021-07-14 14:15:52 +01:00
qtest.c qtest: add a QOM object for qtest 2021-05-26 14:49:45 +02:00
rtc.c qom: Allow optional sugar props 2021-02-08 16:57:37 +11:00
runstate-action.c
runstate.c runstate: Initialize Error * to NULL 2021-06-15 17:17:09 +02:00
timers-state.h qemu/atomic: Add aligned_{int64,uint64}_t types 2021-07-21 07:45:38 -10:00
tpm.c
trace-events memory: make global_dirty_tracking a bitmask 2021-11-01 22:56:43 +01:00
trace.h
vl.c migration: fix dump-vmstate with modules 2021-11-22 11:14:28 +01:00