The patch titled
Subject: arm64: mark (__)cpus_have_const_cap as __always_inline
has been added to the -mm tree. Its filename is
arm64-mark-__cpus_have_const_cap-as-__always_inline.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/arm64-mark-__cpus_have_const_cap-as-__always_inline.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/arm64-mark-__cpus_have_const_cap-as-__always_inline.patch
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------------------------------------------------------
From: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
Subject: 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@xxxxxxxxxxxxx
Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/arm64/include/asm/cpufeature.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/arch/arm64/include/asm/cpufeature.h~arm64-mark-__cpus_have_const_cap-as-__always_inline
+++ a/arch/arm64/include/asm/cpufeature.h
@@ -406,7 +406,7 @@ static inline bool cpu_have_feature(unsi
}
/* 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;
@@ -420,7 +420,7 @@ static inline bool cpus_have_cap(unsigne
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);
_
Patches currently in -mm which might be from yamada.masahiro@xxxxxxxxxxxxx are
remove-spdx-with-linux-syscall-note-from-kernel-space-headers.patch
arm64-mark-__cpus_have_const_cap-as-__always_inline.patch
mips-mark-mult_sh_align_mod-as-__always_inline.patch
s390-cpacf-mark-scpacf_query-as-__always_inline.patch
mtd-rawnand-vf610_nfc-add-initializer-to-avoid-wmaybe-uninitialized.patch
mips-mark-__fls-and-__ffs-as-__always_inline.patch
arm-mark-setup_machine_tags-stub-as-__init-__noreturn.patch
powerpc-prom_init-mark-prom_getprop-and-prom_getproplen-as-__init.patch
powerpc-mm-radix-mark-__radix__flush_tlb_range_psize-as-__always_inline.patch
powerpc-mm-radix-mark-as-__tlbie_pid-and-friends-as__always_inline.patch
compiler-allow-all-arches-to-enable-config_optimize_inlining.patch
treewide-replace-include-asm-sizesh-with-include-linux-sizesh.patch
arch-remove-asm-sizesh-amd-asm-generic-sizesh.patch
