| Message ID | 160076771494.15536.16617325903250425535.tip-bot2@tip-bot2 |
|---|---|
| State | In Next |
| Commit | 13aa9f45af9015a64fc121f9d69fad892118f181 |
| Headers | show |
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| Related | show |
diff --git a/arch/um/include/asm/cacheflush.h b/arch/um/include/asm/cacheflush.h new file mode 100644 index 0000000..f693cb9 --- /dev/null +++ b/arch/um/include/asm/cacheflush.h @@ -0,0 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_UM_CACHEFLUSH_H +#define _ASM_UM_CACHEFLUSH_H + +#undef ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE +#include <asm-generic/cacheflush.h> + +static inline int l1d_flush_hw(void) { return -EOPNOTSUPP; } +#endif /* _ASM_UM_CACHEFLUSH_H */
The following commit has been merged into the x86/pti branch of tip: Commit-ID: e9c142f6f54db85c212ca64aefd4f2c232dac4ae Gitweb: https://git.kernel.org/tip/e9c142f6f54db85c212ca64aefd4f2c232dac4ae Author: Borislav Petkov <bp@suse.de> AuthorDate: Tue, 22 Sep 2020 09:49:51 +02:00 Committer: Ingo Molnar <mingo@kernel.org> CommitterDate: Tue, 22 Sep 2020 11:35:47 +02:00 arch/um: Add a dummy <asm/cacheflush.h> header ... in order to fix the defconfig build: ./arch/x86/include/asm/cacheflush.h: In function ‘l1d_flush_hw’: ./arch/x86/include/asm/cacheflush.h:15:6: error: implicit declaration of \ function ‘static_cpu_has’; did you mean ‘static_key_false’? [-Werror=implicit-function-declaration] [ mingo: Changed the header guard to the existing nomenclature. ] Fixes: a9210620ec36 ("x86/mm: Optionally flush L1D on context switch") Reported-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Borislav Petkov <bp@suse.de> Signed-off-by: Ingo Molnar <mingo@kernel.org> Link: https://lore.kernel.org/r/20200922074951.2192-1-bp@alien8.de --- arch/um/include/asm/cacheflush.h | 9 +++++++++ 1 file changed, 9 insertions(+) create mode 100644 arch/um/include/asm/cacheflush.h