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# Date Author Comment
864a556e 02/26/2013 03:44 pm Anthony Liguori

Merge remote-tracking branch 'kwolf/for-anthony' into staging

  1. By Paolo Bonzini (7) and others
  2. Via Kevin Wolf
    • kwolf/for-anthony: (22 commits)
      pc: add compatibility machine types for 1.4
      blockdev: enable discard by default
      qemu-nbd: add --discard option...
6ab7e546 02/23/2013 06:11 pm Peter Maydell

Replace all setjmp()/longjmp() with sigsetjmp()/siglongjmp()

The setjmp() function doesn't specify whether signal masks are saved and
restored; on Linux they are not, but on BSD (including MacOSX) they are.
We want to have consistent behaviour across platforms, so we should...
40239784 02/22/2013 10:21 pm Paolo Bonzini

coroutine: move pooling to common code

The coroutine pool code is duplicated between the ucontext and
sigaltstack backends, and absent from the win32 backend. But the
code can be shared easily by moving it to qemu-coroutine.c.

Signed-off-by: Paolo Bonzini <>...
737e150e 12/19/2012 09:31 am Paolo Bonzini

block: move include files to include/block/

Signed-off-by: Paolo Bonzini <>
2ad2210a 11/30/2012 12:33 pm Peter Maydell

coroutine-sigaltstack.c: Use stack_t, not struct sigaltstack

Use the POSIX-specified stack_t type as the argument to sigaltstack()
rather than the legacy struct sigaltstack. This allows us to compile
on MacOSX with --with-coroutine=sigaltstack.

Signed-off-by: Peter Maydell <>...
9cc31772 05/14/2012 08:45 pm Anthony Liguori

Merge remote-tracking branch 'kwolf/for-anthony' into staging

  • kwolf/for-anthony:
    qemu-img: Fix segmentation fault
    qcow2: Don't ignore failure to clear autoclear flags
    coroutine: Fix setup of sigaltstack coroutines
99b5beba 05/14/2012 06:02 pm Jan Kiszka

coroutine: Fix setup of sigaltstack coroutines

Use pthread_kill instead of process-wide kill to invoke the signal
handler used for stack switching. This may fix spurious lock-ups with
this backend, easily triggerable by extending the time window between
kill and sigsuspend....
a31f0531 05/14/2012 08:27 am Jim Meyering

fix some common typos

These were identified using: http://github.com/lyda/misspell-check
and run like this to create a bourne shell script using GNU sed's
-i option:

git ls-files|grep -vF .bin | misspellings -f - |grep -v '^ERROR:' |perl \
-pe 's/^(.*?)\[(\d+)\]: (\w+) -> "(.*?)"$/sed -i '\''${2}s!$3!$4!'\'' $1/'...
3194c8ce 03/12/2012 04:14 pm Alex Barcelo

coroutine: adding sigaltstack method (.c source)

This file is based in both coroutine-ucontext.c and
pth_mctx.c (from the GNU Portable Threads library).

The mechanism used to change stacks is the sigaltstack
function (variant 2 of the pth library).

v2: Some corrections. Moving global variables into...