47 lines
1.3 KiB
Diff
47 lines
1.3 KiB
Diff
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From 2ce6587c86abb4cf0cdc71d225ddbd570c9cf628 Mon Sep 17 00:00:00 2001
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From: Ondrej Jirman <megous@megous.com>
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Date: Thu, 10 Sep 2020 21:38:28 +0200
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Subject: [PATCH 259/478] arm64: xor: Select 32regs without benchmark to speed
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up boot
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32regs is fastest on Cortex-A53.
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Signed-off-by: Ondrej Jirman <megous@megous.com>
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---
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arch/arm64/include/asm/xor.h | 14 ++++----------
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1 file changed, 4 insertions(+), 10 deletions(-)
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diff --git a/arch/arm64/include/asm/xor.h b/arch/arm64/include/asm/xor.h
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index 947f6a4f1aa0..461b55f0f5b2 100644
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--- a/arch/arm64/include/asm/xor.h
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+++ b/arch/arm64/include/asm/xor.h
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@@ -50,21 +50,15 @@ xor_neon_5(unsigned long bytes, unsigned long *p1, unsigned long *p2,
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kernel_neon_end();
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}
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-static struct xor_block_template xor_block_arm64 = {
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+static struct xor_block_template xor_block_arm64 __maybe_unused = {
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.name = "arm64_neon",
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.do_2 = xor_neon_2,
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.do_3 = xor_neon_3,
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.do_4 = xor_neon_4,
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.do_5 = xor_neon_5
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};
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-#undef XOR_TRY_TEMPLATES
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-#define XOR_TRY_TEMPLATES \
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- do { \
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- xor_speed(&xor_block_8regs); \
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- xor_speed(&xor_block_32regs); \
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- if (cpu_has_neon()) { \
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- xor_speed(&xor_block_arm64);\
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- } \
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- } while (0)
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+
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+#define XOR_SELECT_TEMPLATE(x) \
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+ (&xor_block_32regs)
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#endif /* ! CONFIG_KERNEL_MODE_NEON */
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--
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2.35.3
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