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Re: [Qemu-devel] [PATCH 1/2] atomics: do not use __atomic primitives for
From: |
Emilio G. Cota |
Subject: |
Re: [Qemu-devel] [PATCH 1/2] atomics: do not use __atomic primitives for RCU atomics |
Date: |
Tue, 24 May 2016 14:42:28 -0400 |
User-agent: |
Mutt/1.5.23 (2014-03-12) |
On Sun, May 22, 2016 at 08:58:51 +0100, Alex Bennée wrote:
> For tsan runs you need to re-build with:
>
> ./configure --cc=gcc --extra-cflags="-pie -fPIE -fsanitize=thread"
> --with-coroutine=gthread
>
> Specifically the coroutine ucontext messing really confuses TSAN.
With your configure args + the appended I can at least compile
arm-softmmu, but I still get:
FATAL: ThreadSanitizer: unexpected memory mapping 0x55d9f389d000-0x55d9f4111000
Am I missing something? Thanks,
Emilio
diff --git a/configure b/configure
index ab54f3c..a8903fe 100755
--- a/configure
+++ b/configure
@@ -112,7 +112,7 @@ compile_object() {
compile_prog() {
local_cflags="$1"
- local_ldflags="$2"
+ local_ldflags="$2 -ltsan"
do_cc $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $local_ldflags
}
@@ -174,12 +174,12 @@ audio_drv_list=""
block_drv_rw_whitelist=""
block_drv_ro_whitelist=""
host_cc="cc"
-libs_softmmu=""
-libs_tools=""
+libs_softmmu="-ltsan"
+libs_tools="-ltsan"
audio_pt_int=""
audio_win_int=""
cc_i386=i386-pc-linux-gnu-gcc
-libs_qga=""
+libs_qga="-ltsan"
debug_info="yes"
stack_protector=""
- [Qemu-devel] [PATCH 0/2] atomics: fix small RCU perf. regression + update documentation, Emilio G. Cota, 2016/05/21
- [Qemu-devel] [PATCH 1/2] atomics: do not use __atomic primitives for RCU atomics, Emilio G. Cota, 2016/05/21
- Re: [Qemu-devel] [PATCH 1/2] atomics: do not use __atomic primitives for RCU atomics, Alex Bennée, 2016/05/22
- Re: [Qemu-devel] [PATCH 1/2] atomics: do not use __atomic primitives for RCU atomics,
Emilio G. Cota <=
- Re: [Qemu-devel] [PATCH 1/2] atomics: do not use __atomic primitives for RCU atomics, Paolo Bonzini, 2016/05/23
- Re: [Qemu-devel] [PATCH 1/2] atomics: do not use __atomic primitives for RCU atomics, Richard Henderson, 2016/05/23
- Re: [Qemu-devel] [PATCH 1/2] atomics: do not use __atomic primitives for RCU atomics, Emilio G. Cota, 2016/05/23
- Re: [Qemu-devel] [PATCH 1/2] atomics: do not use __atomic primitives for RCU atomics, Paolo Bonzini, 2016/05/24
- Re: [Qemu-devel] [PATCH 1/2] atomics: do not use __atomic primitives for RCU atomics, Emilio G. Cota, 2016/05/24
- Re: [Qemu-devel] [PATCH 1/2] atomics: do not use __atomic primitives for RCU atomics, Sergey Fedorov, 2016/05/24
- Re: [Qemu-devel] [PATCH 1/2] atomics: do not use __atomic primitives for RCU atomics, Alex Bennée, 2016/05/25
- Re: [Qemu-devel] [PATCH 1/2] atomics: do not use __atomic primitives for RCU atomics, Sergey Fedorov, 2016/05/25
[Qemu-devel] [PATCH 2/2] docs/atomics: update atomic_read/set comparison with Linux, Emilio G. Cota, 2016/05/21