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acpi,pc,build bug fixes

Browse source 
Here are some bugfixes for 2.0.
 
 A bugfix for acpi for pci bridges, and a build fix for
 old systems without pthread_setname_np: both fix regressions
 so we definitely want to include them.
 HPET fix is not for a regression but looks very safe,
 fixes a nasty bug and has been on list for a while.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

acpi,pc,build bug fixes

Here are some bugfixes for 2.0.

A bugfix for acpi for pci bridges, and a build fix for
old systems without pthread_setname_np: both fix regressions
so we definitely want to include them.
HPET fix is not for a regression but looks very safe,
fixes a nasty bug and has been on list for a while.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

# gpg: Signature made Fri 28 Mar 2014 12:00:12 GMT using RSA key ID D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>"

* remotes/mst/tags/for_upstream:
  acpi: fix ACPI generation for pci bridges
  Don't enable a HPET timer if HPET is disabled
  Detect pthread_setname_np at configure time

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2014-03-28 13:46:28 +00:00
commit 3b6144bdbb
5 changed files with 52 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

21
util/qemu-thread-posix.c
View file

@ -32,6 +32,13 @@ static bool name_threads;
void qemu_thread_naming(bool enable)
{
name_threads = enable;
#ifndef CONFIG_THREAD_SETNAME_BYTHREAD
/* This is a debugging option, not fatal */
if (enable) {
fprintf(stderr, "qemu: thread naming not supported on this host\n");
}
#endif
}
static void error_exit(int err, const char *msg)
@ -394,6 +401,16 @@ void qemu_event_wait(QemuEvent *ev)
}
}
/* Attempt to set the threads name; note that this is for debug, so
* we're not going to fail if we can't set it.
*/
static void qemu_thread_set_name(QemuThread *thread, const char *name)
{
#ifdef CONFIG_PTHREAD_SETNAME_NP
pthread_setname_np(thread->thread, name);
#endif
}
void qemu_thread_create(QemuThread *thread, const char *name,
void *(*start_routine)(void*),
void *arg, int mode)
@ -420,11 +437,9 @@ void qemu_thread_create(QemuThread *thread, const char *name,
if (err)
error_exit(err, __func__);
#if defined(__GLIBC__) && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 12))
if (name_threads) {
pthread_setname_np(thread->thread, name);
qemu_thread_set_name(thread, name);
}
#endif
pthread_sigmask(SIG_SETMASK, &oldset, NULL);

2
util/qemu-thread-win32.c
View file

@ -22,6 +22,8 @@ void qemu_thread_naming(bool enable)
{
/* But note we don't actually name them on Windows yet */
name_threads = enable;
fprintf(stderr, "qemu: thread naming not supported on this host\n");
}
static void error_exit(int err, const char *msg)