diff options
| author | Masahiro Yamada <yamada.masahiro@socionext.com> | 2019-05-14 15:41:52 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-05-14 19:52:48 -0700 |
| commit | 02166b88d376f21ea5caac26e7e8f74ab5578986 (patch) | |
| tree | e6a2a75920cea13723617d3559b9852eed779c3e /arch | |
| parent | be167862ae7dd85c56d385209a4890678e1b0488 (diff) | |
| download | linux-02166b88d376f21ea5caac26e7e8f74ab5578986.tar.bz2 | |
arm64: mark (__)cpus_have_const_cap as __always_inline
This prepares to move CONFIG_OPTIMIZE_INLINING from x86 to a common
place. We need to eliminate potential issues beforehand.
If it is enabled for arm64, the following errors are reported:
In file included from include/linux/compiler_types.h:68,
from <command-line>:
arch/arm64/include/asm/jump_label.h: In function 'cpus_have_const_cap':
include/linux/compiler-gcc.h:120:38: warning: asm operand 0 probably doesn't match constraints
#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0)
^~~
arch/arm64/include/asm/jump_label.h:32:2: note: in expansion of macro 'asm_volatile_goto'
asm_volatile_goto(
^~~~~~~~~~~~~~~~~
include/linux/compiler-gcc.h:120:38: error: impossible constraint in 'asm'
#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0)
^~~
arch/arm64/include/asm/jump_label.h:32:2: note: in expansion of macro 'asm_volatile_goto'
asm_volatile_goto(
^~~~~~~~~~~~~~~~~
Link: http://lkml.kernel.org/r/20190423034959.13525-3-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Tested-by: Mark Rutland <mark.rutland@arm.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Boris Brezillon <bbrezillon@kernel.org>
Cc: Borislav Petkov <bp@suse.de>
Cc: Brian Norris <computersforpeace@gmail.com>
Cc: Christophe Leroy <christophe.leroy@c-s.fr>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Marek Vasut <marek.vasut@gmail.com>
Cc: Mathieu Malaterre <malat@debian.org>
Cc: Miquel Raynal <miquel.raynal@bootlin.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Richard Weinberger <richard@nod.at>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: Stefan Agner <stefan@agner.ch>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm64/include/asm/cpufeature.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm64/include/asm/cpufeature.h b/arch/arm64/include/asm/cpufeature.h index f210bcf096f7..bc895c869892 100644 --- a/arch/arm64/include/asm/cpufeature.h +++ b/arch/arm64/include/asm/cpufeature.h @@ -401,7 +401,7 @@ unsigned long cpu_get_elf_hwcap2(void); #define cpu_have_named_feature(name) cpu_have_feature(cpu_feature(name)) /* System capability check for constant caps */ -static inline bool __cpus_have_const_cap(int num) +static __always_inline bool __cpus_have_const_cap(int num) { if (num >= ARM64_NCAPS) return false; @@ -415,7 +415,7 @@ static inline bool cpus_have_cap(unsigned int num) return test_bit(num, cpu_hwcaps); } -static inline bool cpus_have_const_cap(int num) +static __always_inline bool cpus_have_const_cap(int num) { if (static_branch_likely(&arm64_const_caps_ready)) return __cpus_have_const_cap(num); |