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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Building a combined ARMv4+XScale kernel produces these and other build failures: /tmp/copypage-xscale-3aa821.s: Assembler messages: /tmp/copypage-xscale-3aa821.s:167: Error: selected processor does not support `pld [r7,#0]' in ARM mode /tmp/copypage-xscale-3aa821.s:168: Error: selected processor does not support `pld [r7,#32]' in ARM mode /tmp/copypage-xscale-3aa821.s:169: Error: selected processor does not support `pld [r1,#0]' in ARM mode /tmp/copypage-xscale-3aa821.s:170: Error: selected processor does not support `pld [r1,#32]' in ARM mode /tmp/copypage-xscale-3aa821.s:171: Error: selected processor does not support `pld [r7,#64]' in ARM mode /tmp/copypage-xscale-3aa821.s:176: Error: selected processor does not support `ldrd r4,r5,[r7],#8' in ARM mode /tmp/copypage-xscale-3aa821.s:180: Error: selected processor does not support `strd r4,r5,[r1],#8' in ARM mode Add an explict .arch armv5 in the inline assembly to allow the ARMv5 specific instructions regardless of the compiler -march= target. Signed-off-by: Arnd Bergmann --- arch/arm/mm/copypage-xscale.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/arm/mm/copypage-xscale.c b/arch/arm/mm/copypage-xscale.c index 61d834157bc0..382e1c2855e8 100644 --- a/arch/arm/mm/copypage-xscale.c +++ b/arch/arm/mm/copypage-xscale.c @@ -42,6 +42,7 @@ static void mc_copy_user_page(void *from, void *to) * when prefetching destination as well. (NP) */ asm volatile ("\ +.arch xscale \n\ pld [%0, #0] \n\ pld [%0, #32] \n\ pld [%1, #0] \n\ @@ -106,8 +107,9 @@ void xscale_mc_clear_user_highpage(struct page *page, unsigned long vaddr) { void *ptr, *kaddr = kmap_atomic(page); - asm volatile( - "mov r1, %2 \n\ + asm volatile("\ +.arch xscale \n\ + mov r1, %2 \n\ mov r2, #0 \n\ mov r3, #0 \n\ 1: mov ip, %0 \n\ -- 2.20.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel