[PATCH] i386: cpu_relax() in crash.c and doublefault.c
Add cpu_relax() to infinite loops in crash.c and doublefault.c. This is
the safest change.
Signed-off-by: Chuck Ebbert <76306.1226@compuserve.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/i386/kernel/crash.c b/arch/i386/kernel/crash.c
index 2b0cfce..21dc1bb 100644
--- a/arch/i386/kernel/crash.c
+++ b/arch/i386/kernel/crash.c
@@ -114,7 +114,8 @@
atomic_dec(&waiting_for_crash_ipi);
/* Assume hlt works */
halt();
- for(;;);
+ for (;;)
+ cpu_relax();
return 1;
}
diff --git a/arch/i386/kernel/doublefault.c b/arch/i386/kernel/doublefault.c
index 5edb1d3..b4d14c2 100644
--- a/arch/i386/kernel/doublefault.c
+++ b/arch/i386/kernel/doublefault.c
@@ -44,7 +44,8 @@
}
}
- for (;;) /* nothing */;
+ for (;;)
+ cpu_relax();
}
struct tss_struct doublefault_tss __cacheline_aligned = {