OpenE2K/qemu-e2k
13
4
Fork 0
Code Issues 4 Pull Requests Projects 2 Releases Activity

Switch SIG_IPI to SIGUSR1

Browse Source 
Use SIGUSR1 unconditionally as SIG_IPI. First, ucontext coroutines tend
to corrupt RT signal masks due to a 32-on-64-bit Linux kernel bug. And,
second, there appears to be no advantage in using RT signals for VCPU
kicking.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Jan Kiszka 2012-05-09 19:14:25 -03:00 committed by Anthony Liguori
parent 2e1201d09b
commit a7aae221b0
1 changed files with 0 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
main-loop.h
View File

@ -25,11 +25,7 @@
#ifndef QEMU_MAIN_LOOP_H #ifndef QEMU_MAIN_LOOP_H
#define QEMU_MAIN_LOOP_H 1 #define QEMU_MAIN_LOOP_H 1
#ifdef SIGRTMIN
#define SIG_IPI (SIGRTMIN+4)
#else
#define SIG_IPI SIGUSR1 #define SIG_IPI SIGUSR1
#endif
/** /**
* qemu_init_main_loop: Set up the process so that it can run the main loop. * qemu_init_main_loop: Set up the process so that it can run the main loop.