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| author |   Will Deacon <will.deacon@arm.com> | 2016-02-10 10:07:30 +0000 |
|---|---|---|
| committer |   Catalin Marinas <catalin.marinas@arm.com> | 2016-02-16 15:12:34 +0000 |
| commit | afb83cc3f0e4f86ea0e1cc3db7a90f58f1abd4d5 (patch) | |
| tree | 642e962adca31a5390a78def2c7b453db96bd30b /arch/arm64 | |
| parent | arm64: lib: patch in prfm for copy_page if requested (diff) | |
| download | linux-dev-afb83cc3f0e4f86ea0e1cc3db7a90f58f1abd4d5.tar.xz linux-dev-afb83cc3f0e4f86ea0e1cc3db7a90f58f1abd4d5.zip | |
arm64: prefetch: add missing #include for spin_lock_prefetch
As of 52e662326e1e ("arm64: prefetch: don't provide spin_lock_prefetch
with LSE"), spin_lock_prefetch is patched at runtime when the LSE atomics
are in use. This relies on the ARM64_LSE_ATOMIC_INSN macro to drive
the alternatives framework, but that macro is only available via
asm/lse.h, which isn't explicitly included in processor.h. Consequently,
drivers can run into build failures such as:
In file included from include/linux/prefetch.h:14:0,
from drivers/net/ethernet/intel/i40e/i40e_txrx.c:27:
arch/arm64/include/asm/processor.h: In function 'spin_lock_prefetch':
arch/arm64/include/asm/processor.h:183:15: error: expected string literal before 'ARM64_LSE_ATOMIC_INSN'
asm volatile(ARM64_LSE_ATOMIC_INSN(
This patch add the missing include and gets things building again.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64')
| -rw-r--r-- | arch/arm64/include/asm/processor.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/processor.h b/arch/arm64/include/asm/processor.h index 31b76fce4477..5bb1d763d17a 100644 --- a/arch/arm64/include/asm/processor.h +++ b/arch/arm64/include/asm/processor.h @@ -32,6 +32,7 @@ #include <asm/alternative.h> #include <asm/fpsimd.h> #include <asm/hw_breakpoint.h> +#include <asm/lse.h> #include <asm/pgtable-hwdef.h> #include <asm/ptrace.h> #include <asm/types.h> |