Not sure we should actually *do* this, and if we did it'd be done
differently. But... Fengguang, please could you add this (from
git://git.infradead.org/users/dwmw2/byteswap.git ) and we can see what
breaks? Thanks.
I know MIPS will need some additional libgcc functionality brought into
the kernel, and Ralf has already been looking at that; not sure about
other platforms. Let's find out :)
Subject: [PATCH] TEST COMMIT: Enable CONFIG_ARCH_USE_BUILTIN_BSWAP for all
architectures
Let's see what breaks...
Signed-off-by: David Woodhouse <David.Woodhouse@xxxxxxxxx>
---
arch/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/Kconfig b/arch/Kconfig
index 4e949e5..8680d1b 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -144,6 +144,7 @@ config HAVE_EFFICIENT_UNALIGNED_ACCESS
config ARCH_USE_BUILTIN_BSWAP
bool
+ default y
help
Modern versions of GCC (since 4.4) have builtin functions
for handling byte-swapping. Using these, instead of the old
--
2.4.3
--
David Woodhouse Open Source Technology Centre
David.Woodhouse@xxxxxxxxx Intel Corporation
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