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| author | Masahiro Yamada <masahiroy@kernel.org> | 2021-05-25 13:54:20 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2021-05-25 16:59:23 +0200 |
| commit | 1eb8a49836949a77c4f7d738786719e7fde0c333 (patch) | |
| tree | ae2ff9c1bce44ac85841cc39bdfee32f39f29984 /arch/x86/entry | |
| parent | x86/entry: Use int everywhere for system call numbers (diff) | |
| download | linux-1eb8a49836949a77c4f7d738786719e7fde0c333.tar.xz linux-1eb8a49836949a77c4f7d738786719e7fde0c333.zip | |
x86/syscalls: Clear 'offset' and 'prefix' in case they are set in env
If the environment variable 'prefix' is set on the build host, it is
wrongly used as syscall macro prefixes.
$ export prefix=/usr
$ make -s defconfig all
In file included from ./arch/x86/include/asm/unistd.h:20,
from <stdin>:2:
./arch/x86/include/generated/uapi/asm/unistd_64.h:4:9: warning: missing whitespace after the macro name
4 | #define __NR_/usrread 0
| ^~~~~
arch/x86/entry/syscalls/Makefile should clear 'offset' and 'prefix'.
Fixes: 3cba325b358f ("x86/syscalls: Switch to generic syscallhdr.sh")
Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20210525115420.679416-1-masahiroy@kernel.org
Diffstat (limited to 'arch/x86/entry')
| -rw-r--r-- | arch/x86/entry/syscalls/Makefile | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/entry/syscalls/Makefile b/arch/x86/entry/syscalls/Makefile index 8eb014bca8c9..5b3efed0e4e8 100644 --- a/arch/x86/entry/syscalls/Makefile +++ b/arch/x86/entry/syscalls/Makefile @@ -11,6 +11,8 @@ syscall64 := $(src)/syscall_64.tbl syshdr := $(srctree)/scripts/syscallhdr.sh systbl := $(srctree)/scripts/syscalltbl.sh +offset := +prefix := quiet_cmd_syshdr = SYSHDR $@ cmd_syshdr = $(CONFIG_SHELL) $(syshdr) --abis $(abis) --emit-nr \ |