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um: don't generate asm/bpf_perf_event.h

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If we start validating the existence of the asm-generic side of
generated headers, this one causes a warning:

make[3]: *** No rule to make target 'arch/um/include/generated/asm/bpf_perf_event.h', needed by 'all'.  Stop.

The problem is that the asm-generic header only exists for the uapi
variant, but arch/um has no uapi headers and instead uses the x86
userspace API.

Add a custom file with an explicit redirect to avoid this.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2024-05-13 17:13:55 +00:00
parent ed8023ae9d
commit 0dd0e9437f
2 changed files with 9 additions and 1 deletions
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1
arch/um/include/asm/Kbuild
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@ -1,5 +1,4 @@
# SPDX-License-Identifier: GPL-2.0
generic-y += bpf_perf_event.h
generic-y += bug.h
generic-y += compat.h
generic-y += current.h

9
arch/um/include/asm/bpf_perf_event.h Normal file
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@ -0,0 +1,9 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* asm-generic/bpf_perf_event.h is part of the uapi headers, but since
* arch/um has no uapi of its on, we can't use the "generic-y"
* Kbuild rule to generate the wrapper
*/
#include <asm-generic/bpf_perf_event.h>