[oe] [STABLE][PATCH 099/125] linux-rp-2.6.23: fix compilation with gcc-4.3

[Koen Kooi]

On 01-07-09 20:55, Marcin Juszkiewicz wrote:
> From: Andrea Adami<andrea.adami at gmail.com>
>
> Since some architectures don't support __udivdi3().
>
> Signed-off-by: Segher Boessenkool<segher at kernel.crashing.org>
> Cc: john stultz<johnstul at us.ibm.com>
> Cc: Ingo Molnar<mingo at elte.hu>
> Signed-off-by: Andrew Morton<akpm at linux-foundation.org>
> Signed-off-by: Thomas Gleixner<tglx at linutronix.de>
> Signed-off-by: Marcin Juszkiewicz<marcin at juszkiewicz.com.pl>

Acked-by: Koen Kooi <koen at openembedded.org>


> ---
>   ...vent-the-loop-in-timespec_add_ns-from-bei.patch |   15 +++++++++++++++
>   recipes/linux/linux-rp_2.6.23.bb                   |    3 ++-
>   2 files changed, 17 insertions(+), 1 deletions(-)
>   create mode 100644 recipes/linux/linux-rp-2.6.23/0001-time-prevent-the-loop-in-timespec_add_ns-from-bei.patch
>
> diff --git a/recipes/linux/linux-rp-2.6.23/0001-time-prevent-the-loop-in-timespec_add_ns-from-bei.patch b/recipes/linux/linux-rp-2.6.23/0001-time-prevent-the-loop-in-timespec_add_ns-from-bei.patch
> new file mode 100644
> index 0000000..7e847d6
> --- /dev/null
> +++ b/recipes/linux/linux-rp-2.6.23/0001-time-prevent-the-loop-in-timespec_add_ns-from-bei.patch
> @@ -0,0 +1,15 @@
> +Index: linux-2.6.23/include/linux/time.h
> +===================================================================
> +--- a/include/linux/time.h
> ++++ b/include/linux/time.h
> +@@ -172,6 +172,10 @@ static inline void timespec_add_ns(struct timespec *a, u64 ns)
> + {
> +	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++;
> +	}
> diff --git a/recipes/linux/linux-rp_2.6.23.bb b/recipes/linux/linux-rp_2.6.23.bb
> index 2293eea..460ac53 100644
> --- a/recipes/linux/linux-rp_2.6.23.bb
> +++ b/recipes/linux/linux-rp_2.6.23.bb
> @@ -1,6 +1,6 @@
>   require linux-rp.inc
>
> -PR = "r35"
> +PR = "r36"
>
>   # Handy URLs
>   # git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git;protocol=git;tag=ef7d1b244fa6c94fb76d5f787b8629df64ea4046
> @@ -14,6 +14,7 @@ PR = "r35"
>   # Patches submitted upstream are towards top of this list
>   # Hacks should clearly named and at the bottom
>   SRC_URI = "${KERNELORG_MIRROR}/pub/linux/kernel/v2.6/linux-2.6.23.tar.bz2 \
> +	   file://0001-time-prevent-the-loop-in-timespec_add_ns-from-bei.patch;patch=1 \
>              ${RPSRC}/pxa25x_suspend_fixes-r0.patch;patch=1;status=merged \
>              ${RPSRC}/lzo_jffs2-r3.patch;patch=1;status=merged \
>              ${RPSRC}/lzo_jffs2_lzomode-r1.patch;patch=1;status=merged \