On Mon, Oct 03, 2016 at 10:32:55 +0100, Alex Bennée wrote:
(snip)
> However the series as a whole does have value. As you can see from the
> other patches there are some real races being picked up by the sanitizer
> which only really become visible when a) you remove the noise of the
> "false" positives and b) run the test many many times. For example this
> one:
>
> ==================
> WARNING: ThreadSanitizer: data race (pid=24906)
> Read of size 8 at 0x7db4000261f0 by thread T3 (mutexes: write M8203):
> #0 do_tb_flush /home/alex/lsrc/qemu/qemu.git/translate-all.c:872
> (qemu-arm+0x00006000ce68)
> #1 process_queued_cpu_work
> /home/alex/lsrc/qemu/qemu.git/cpus-common.c:337 (qemu-arm+0x000060116712)
> #2 cpu_loop /home/alex/lsrc/qemu/qemu.git/linux-user/main.c:654
> (qemu-arm+0x000060052213)
> #3 clone_func /home/alex/lsrc/qemu/qemu.git/linux-user/syscall.c:6070
> (qemu-arm+0x0000600686fb)
> #4 <null> <null> (libtsan.so.0+0x0000000230d9)
>
> Previous write of size 8 at 0x7db4000261f0 by main thread (mutexes: write
> M8):
> #0 cpu_list_add /home/alex/lsrc/qemu/qemu.git/cpus-common.c:87
> (qemu-arm+0x000060115b7a)
> #1 cpu_exec_init /home/alex/lsrc/qemu/qemu.git/exec.c:641
> (qemu-arm+0x000060009900)
> #2 arm_cpu_initfn /home/alex/lsrc/qemu/qemu.git/target-arm/cpu.c:447
> (qemu-arm+0x0000600f833b)
[..]
Nice! Which patch fixes this--patch 10? It would be cool to have this
report in the corresponding commit message.
Thanks,
Emilio
