joel16/android_kernel_sony_msm8994_rework
1
0
Fork 0
mirror of https://github.com/joel16/android_kernel_sony_msm8994_rework.git synced 2024-12-27 22:46:57 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

[PATCH] s390: cpu up retries

Browse Source 
Retry starting of new cpu if sigp restart returns condition code 2 (busy).

Signed-off-by: Michael Ryan <ryan@funsoft.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Michael Ryan 2006-03-24 03:15:17 -08:00 committed by Linus Torvalds
parent 4896cef8e3
commit 699ff13f10
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
arch/s390/kernel/smp.c
View File

@ -665,7 +665,9 @@ __cpu_up(unsigned int cpu)
cpu_lowcore->current_task = (unsigned long) idle;
cpu_lowcore->cpu_data.cpu_nr = cpu;
eieio();
signal_processor(cpu,sigp_restart);
while (signal_processor(cpu,sigp_restart) == sigp_busy)
udelay(10);
while (!cpu_online(cpu))
cpu_relax();