From: James Hogan <jhogan@kernel.org>
To: linux-mips@linux-mips.org, Arnd Bergmann <arnd@arndb.de>,
Richard Henderson <rth@twiddle.net>,
Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
Matt Turner <mattst88@gmail.com>,
linux-alpha@vger.kernel.org
Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org,
James Hogan <jhogan@kernel.org>
Subject: [PATCH v3 1/3] alpha: Use OPTIMIZE_INLINING instead of asm/compiler.h
Date: Tue, 17 Apr 2018 11:11:04 +0100 [thread overview]
Message-ID: <a20761a842efe590da08e835ecc5690a4cf50213.1523959603.git-series.jhogan@kernel.org> (raw)
In-Reply-To: <cover.ebc99f68d5063a817328b9184d747f539800cff0.1523959603.git-series.jhogan@kernel.org>
In-Reply-To: <cover.ebc99f68d5063a817328b9184d747f539800cff0.1523959603.git-series.jhogan@kernel.org>
Use CONFIG_ARCH_SUPPORTS_OPTIMIZED_INLINING and CONFIG_OPTIMIZE_INLINING
instead of undefining the inline macros in the alpha specific
asm/compiler.h. This is to allow asm/compiler.h to become a general
header that can be used for overriding linux/compiler*.h.
A build of alpha's defconfig on GCC 7.3 before and after this series
(i.e. this commit and "compiler.h: Allow arch-specific overrides" which
includes asm/compiler.h from linux/compiler_types.h) results in the
following size differences, which appear harmless to me:
$ ./scripts/bloat-o-meter vmlinux.1 vmlinux.2
add/remove: 1/1 grow/shrink: 3/0 up/down: 264/-348 (-84)
Function old new delta
cap_bprm_set_creds 1496 1664 +168
cap_issubset - 68 +68
flex_array_put 328 344 +16
cap_capset 488 500 +12
nonroot_raised_pE.constprop 348 - -348
Total: Before=5823709, After=5823625, chg -0.00%
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: James Hogan <jhogan@kernel.org>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Matt Turner <mattst88@gmail.com>
Cc: linux-alpha@vger.kernel.org
---
Changes in v3 (James):
- New patch in v3.
---
arch/alpha/Kconfig | 6 ++++++
arch/alpha/include/asm/compiler.h | 11 -----------
2 files changed, 6 insertions(+), 11 deletions(-)
diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index b2022885ced8..b296ba9bd8b7 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -81,6 +81,12 @@ config PGTABLE_LEVELS
int
default 3
+config ARCH_SUPPORTS_OPTIMIZED_INLINING
+ def_bool y
+
+config OPTIMIZE_INLINING
+ def_bool y
+
source "init/Kconfig"
source "kernel/Kconfig.freezer"
diff --git a/arch/alpha/include/asm/compiler.h b/arch/alpha/include/asm/compiler.h
index 5159ba259d65..ae645959018a 100644
--- a/arch/alpha/include/asm/compiler.h
+++ b/arch/alpha/include/asm/compiler.h
@@ -4,15 +4,4 @@
#include <uapi/asm/compiler.h>
-/* Some idiots over in <linux/compiler.h> thought inline should imply
- always_inline. This breaks stuff. We'll include this file whenever
- we run into such problems. */
-
-#include <linux/compiler.h>
-#undef inline
-#undef __inline__
-#undef __inline
-#undef __always_inline
-#define __always_inline inline __attribute__((always_inline))
-
#endif /* __ALPHA_COMPILER_H */
--
git-series 0.9.1
next prev parent reply other threads:[~2018-04-17 10:11 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-17 10:11 [PATCH v3 0/3] MIPS: Override barrier_before_unreachable() to fix microMIPS James Hogan
2018-04-17 10:11 ` James Hogan [this message]
2018-05-06 19:33 ` [PATCH v3 1/3] alpha: Use OPTIMIZE_INLINING instead of asm/compiler.h Matt Turner
2018-05-07 8:42 ` James Hogan
2018-05-07 16:03 ` Matt Turner
2018-04-17 10:11 ` [PATCH v3 2/3] compiler.h: Allow arch-specific overrides James Hogan
2018-04-17 19:19 ` kbuild test robot
2018-04-17 21:04 ` James Hogan
2018-04-17 10:11 ` [PATCH v3 3/3] MIPS: Workaround GCC __builtin_unreachable reordering bug James Hogan
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