poky/meta/packages/linux/linux-openmoko/timespec_add_ns_avoid_udivdi3.patch
Marcin Juszkiewicz 86cc4b3b91 linux-openmoko: fix build with gcc 4.3.1
git-svn-id: https://svn.o-hand.com/repos/poky/trunk@4946 311d38ba-8fff-0310-9ca6-ca027cbcb966
2008-07-25 09:27:55 +00:00

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Diff

Backport of this patch here
http://www.mail-archive.com/linux-kernel@vger.kernel.org/msg270684.html
Needed for 2.6.24 to compile with gcc 4.3
Index: linux-2.6.24/include/linux/time.h
===================================================================
--- linux-2.6.24.orig/include/linux/time.h 2008-05-28 15:39:46.000000000 -0700
+++ linux-2.6.24/include/linux/time.h 2008-05-28 15:40:48.000000000 -0700
@@ -173,6 +173,10 @@
{
ns += a->tv_nsec;
while(unlikely(ns >= NSEC_PER_SEC)) {
+ /* The following asm() prevents the compiler from
+ * optimising this loop into a modulo operation. */
+ asm("" : "+r"(ns));
+
ns -= NSEC_PER_SEC;
a->tv_sec++;
}