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authorWill Deacon <will@kernel.org>2019-11-21 12:59:00 +0100
committerIngo Molnar <mingo@kernel.org>2019-11-25 09:15:32 +0100
commitfb041bb7c0a918b95c6889fc965cdc4a75b4c0ca (patch)
tree5aa81da7df6a7a1374a7d3c42f0a9bde3a3f4722 /arch/x86/Kconfig
parentlocking/refcount: Consolidate REFCOUNT_{MAX,SATURATED} definitions (diff)
downloadlinux-fb041bb7c0a918b95c6889fc965cdc4a75b4c0ca.tar.xz
linux-fb041bb7c0a918b95c6889fc965cdc4a75b4c0ca.zip
locking/refcount: Consolidate implementations of refcount_t
The generic implementation of refcount_t should be good enough for everybody, so remove ARCH_HAS_REFCOUNT and REFCOUNT_FULL entirely, leaving the generic implementation enabled unconditionally. Signed-off-by: Will Deacon <will@kernel.org> Reviewed-by: Ard Biesheuvel <ardb@kernel.org> Acked-by: Kees Cook <keescook@chromium.org> Tested-by: Hanjun Guo <guohanjun@huawei.com> Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org> Cc: Elena Reshetova <elena.reshetova@intel.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: https://lkml.kernel.org/r/20191121115902.2551-9-will@kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/Kconfig')
-rw-r--r--arch/x86/Kconfig1
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index d6e1faa28c58..fa6274f1e370 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -73,7 +73,6 @@ config X86
select ARCH_HAS_PMEM_API if X86_64
select ARCH_HAS_PTE_DEVMAP if X86_64
select ARCH_HAS_PTE_SPECIAL
- select ARCH_HAS_REFCOUNT
select ARCH_HAS_UACCESS_FLUSHCACHE if X86_64
select ARCH_HAS_UACCESS_MCSAFE if X86_64 && X86_MCE
select ARCH_HAS_SET_MEMORY