* [RFC][PATCH] Adds support for PF_FREEZE on ppc
@ 2004-12-16 14:26 Sylvain Munaut
0 siblings, 0 replies; only message in thread
From: Sylvain Munaut @ 2004-12-16 14:26 UTC (permalink / raw)
To: Linux PPC Dev
Hello,
While trying to use the /sys/power interface on a ppc target,
I noticed that the processes didn't freeze. Apparently, since
that interface was never used on ppc beforce, signal.c didn't handle the
signal.
The patch below fixes that for me.
Sylvain
Signed-Off-By: Sylvain Munaut <tnt@246tNt•com>
===== arch/ppc/kernel/signal.c 1.40 vs edited =====
--- 1.40/arch/ppc/kernel/signal.c 2004-10-28 09:39:49 +02:00
+++ edited/arch/ppc/kernel/signal.c 2004-12-01 09:25:55 +01:00
@@ -24,6 +24,7 @@
#include <linux/wait.h>
#include <linux/ptrace.h>
#include <linux/unistd.h>
+#include <linux/suspend.h>
#include <linux/stddef.h>
#include <linux/elf.h>
#include <linux/tty.h>
@@ -616,6 +617,11 @@
if (!oldset)
oldset = ¤t->blocked;
+
+ if (current->flags & PF_FREEZE) {
+ refrigerator(0);
+ return 0;
+ }
newsp = frame = 0;
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