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mirror_qemu/softmmu
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Nicholas Piggin f8e3b3290c icount: don't adjust virtual time backwards after warp 
The icount-based QEMU_CLOCK_VIRTUAL runs ahead of the RT clock at times.
When warping, it is possible it is still ahead at the end of the warp,
which causes icount adaptive mode to adjust it backward. This can result
in the machine observing time going backwards.

Prevent this by clamping adaptive adjustment to 0 at minimum.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Message-ID: <20230627061406.241847-1-npiggin@gmail.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
(cherry picked from commit 67f85346ca)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
 		2023-06-29 18:17:49 +03:00
..
arch_init.c softmmu: Add qemu_init_arch_modules() 2022-03-06 13:15:42 +01:00
balloon.c qapi: Restrict balloon-related commands to machine code 2020-09-29 15:41:35 +02:00
bootdevice.c machine: use QAPI struct for boot configuration 2022-05-12 12:29:43 +02:00
cpu-throttle.c Remove qemu-common.h include from most units 2022-04-06 14:31:55 +02:00
cpu-timers.c Remove qemu-common.h include from most units 2022-04-06 14:31:55 +02:00
cpus.c * Fix and test the VISTR instruction on s390x 2022-10-31 06:19:54 -04:00
datadir.c meson: Prefix each element of firmware path 2022-07-13 16:58:57 +02:00
device_tree.c device-tree: add re-randomization helper function 2022-10-27 11:34:31 +01:00
dirtylimit.c Use g_new() & friends where that makes obvious sense 2022-10-04 00:10:11 +02:00
dma-helpers.c Use g_new() & friends where that makes obvious sense 2022-03-21 15:44:44 +01:00
globals.c ui: Switch "-display sdl" to use the QAPI parser 2022-06-03 08:03:28 +02:00
icount.c icount: don't adjust virtual time backwards after warp 2023-06-29 18:17:49 +03:00
ioport.c softmmu: Add missing trace-events file 2020-09-09 17:15:18 +01:00
main.c ui/cocoa: Run qemu_init in the main thread 2022-09-23 14:36:33 +02:00
memory.c vfio: move implement of vfio_get_xlat_addr() to memory.c 2022-11-07 14:08:17 -05:00
memory_mapping.c Use g_new() & friends where that makes obvious sense 2022-03-21 15:44:44 +01:00
meson.build softmmu/dirtylimit: Implement vCPU dirtyrate calculation periodically 2022-07-20 12:15:08 +01:00
physmem.c memory: Fix wrong end address dump 2022-11-08 15:53:40 -05:00
qdev-monitor.c qdev: unplug blocker for devices 2022-06-15 14:50:41 +01:00
qemu-seccomp.c seccomp: Get actual errno value from failed seccomp functions 2022-10-26 13:32:58 +01:00
qtest.c module: add Error arguments to module_load and module_load_qom 2022-11-06 09:48:50 +01:00
rtc.c rtc: Move RTC function prototypes to their own header 2022-01-28 14:29:46 +00:00
runstate-action.c runstate: cleanup reboot and panic actions 2021-01-21 13:00:41 +01:00
runstate.c reset: allow registering handlers that aren't called by snapshot loading 2022-10-27 11:34:31 +01:00
timers-state.h qemu/atomic: Add aligned_{int64,uint64}_t types 2021-07-21 07:45:38 -10:00
tpm.c qapi: More complex uses of QAPI_LIST_APPEND 2021-01-28 08:08:45 +01:00
trace-events softmmu/dirtylimit: Implement virtual CPU throttle 2022-07-20 12:15:08 +01:00
trace.h softmmu: Add missing trace-events file 2020-09-09 17:15:18 +01:00
vl.c Hi, 2022-10-30 18:31:59 -04:00