From: daniel.thompson@linaro.org (Daniel Thompson)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 2/5] arm64: mm: Adopt new alternative assembler macros
Date: Mon, 20 Jul 2015 16:10:01 +0100 [thread overview]
Message-ID: <1437405004-1296-3-git-send-email-daniel.thompson@linaro.org> (raw)
In-Reply-To: <1437405004-1296-1-git-send-email-daniel.thompson@linaro.org>
Convert the dynamic patching for ARM64_WORKAROUND_CLEAN_CACHE over to
the newly added alternative assembler macros.
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
---
arch/arm64/mm/cache.S | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/mm/cache.S b/arch/arm64/mm/cache.S
index bdeb5d38c2dd..eb48d5df4a0f 100644
--- a/arch/arm64/mm/cache.S
+++ b/arch/arm64/mm/cache.S
@@ -143,7 +143,12 @@ __dma_clean_range:
dcache_line_size x2, x3
sub x3, x2, #1
bic x0, x0, x3
-1: alternative_insn "dc cvac, x0", "dc civac, x0", ARM64_WORKAROUND_CLEAN_CACHE
+1:
+alternative_if_not ARM64_WORKAROUND_CLEAN_CACHE
+ dc cvac, x0
+alternative_else
+ dc civac, x0
+alternative_endif
add x0, x0, x2
cmp x0, x1
b.lo 1b
--
2.4.3
next prev parent reply other threads:[~2015-07-20 15:10 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-10 13:48 [PATCH] arm64: alternative: Provide if/else/endif assembler macros Daniel Thompson
2015-07-16 18:19 ` Will Deacon
2015-07-17 10:42 ` Daniel Thompson
2015-07-20 15:09 ` [PATCH v2 0/5] " Daniel Thompson
2015-07-20 15:10 ` [PATCH v2 1/5] " Daniel Thompson
2015-07-20 17:12 ` Will Deacon
2015-07-22 11:08 ` Daniel Thompson
2015-07-20 15:10 ` Daniel Thompson [this message]
2015-07-20 15:10 ` [PATCH v2 3/5] arm64: kernel: Adopt new alternative " Daniel Thompson
2015-07-20 15:10 ` [PATCH v2 4/5] arm64: kvm: " Daniel Thompson
2015-07-20 15:10 ` [PATCH v2 5/5] arm64: alternative: Remove alternative_insn macro Daniel Thompson
2015-07-22 11:21 ` [PATCH v3 0/5] arm64: alternative: Provide if/else/endif assembler macros Daniel Thompson
2015-07-22 11:21 ` [PATCH v3 1/5] " Daniel Thompson
2015-07-22 11:21 ` [PATCH v3 2/5] arm64: mm: Adopt new alternative " Daniel Thompson
2015-07-22 11:21 ` [PATCH v3 3/5] arm64: kernel: " Daniel Thompson
2015-07-22 11:21 ` [PATCH v3 4/5] arm64: kvm: " Daniel Thompson
2015-07-22 15:17 ` Will Deacon
2015-07-22 15:55 ` Marc Zyngier
2015-07-22 11:21 ` [PATCH v3 5/5] arm64: alternative: Remove alternative_insn macro Daniel Thompson
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