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| author | Brian Gerst <brgerst@gmail.com> | 2020-03-13 15:51:34 -0400 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2020-03-21 16:03:21 +0100 |
| commit | 0872098804b5f44bab91f80b6df55df32894fee3 (patch) | |
| tree | 1cfe6e6c1d6a4d5c9c083b288780af56364ca0bb /arch/x86/entry/syscalls | |
| parent | 2e487c357917b98adc6a6dafa612c435cad1af41 (diff) | |
| download | linux-0872098804b5f44bab91f80b6df55df32894fee3.tar.bz2 | |
x86/entry: Move max syscall number calculation to syscallhdr.sh
Instead of using an array in asm-offsets to calculate the max syscall
number, calculate it when writing out the syscall headers.
Signed-off-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20200313195144.164260-9-brgerst@gmail.com
Diffstat (limited to 'arch/x86/entry/syscalls')
| -rw-r--r-- | arch/x86/entry/syscalls/syscallhdr.sh | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/entry/syscalls/syscallhdr.sh b/arch/x86/entry/syscalls/syscallhdr.sh index 12fbbcfe7ef3..cc1e63857427 100644 --- a/arch/x86/entry/syscalls/syscallhdr.sh +++ b/arch/x86/entry/syscalls/syscallhdr.sh @@ -15,14 +15,21 @@ grep -E "^[0-9A-Fa-fXx]+[[:space:]]+${my_abis}" "$in" | sort -n | ( echo "#define ${fileguard} 1" echo "" + max=0 while read nr abi name entry ; do if [ -z "$offset" ]; then echo "#define __NR_${prefix}${name} $nr" else echo "#define __NR_${prefix}${name} ($offset + $nr)" fi + + max=$nr done echo "" + echo "#ifdef __KERNEL__" + echo "#define __NR_${prefix}syscall_max $max" + echo "#endif" + echo "" echo "#endif /* ${fileguard} */" ) > "$out" |