diff options
| author |   Rohan McLure <rmclure@linux.ibm.com> | 2022-09-21 16:55:49 +1000 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2022-09-26 23:00:15 +1000 |
| commit | 43d5de2b67d7f4a8478820005152f7f689608f2f (patch) | |
| tree | 59e20d406e0ea54971df234e371a4e0268b86765 /arch/powerpc/kernel/syscalls.c | |
| parent | powerpc: Fix fallocate and fadvise64_64 compat parameter combination (diff) | |
| download | linux-dev-43d5de2b67d7f4a8478820005152f7f689608f2f.tar.xz linux-dev-43d5de2b67d7f4a8478820005152f7f689608f2f.zip | |
asm-generic: compat: Support BE for long long args in 32-bit ABIs
32-bit ABIs support passing 64-bit integers by registers via argument
translation. Commit 59c10c52f573 ("riscv: compat: syscall: Add
compat_sys_call_table implementation") implements the compat_arg_u64
macro for efficiently defining little endian compatibility syscalls.
Architectures supporting big endianness may benefit from reciprocal
argument translation, but are welcome also to implement their own.
Signed-off-by: Rohan McLure <rmclure@linux.ibm.com>
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Arnd Bergmann <arnd@anrdb.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220921065605.1051927-10-rmclure@linux.ibm.com
Diffstat (limited to 'arch/powerpc/kernel/syscalls.c')
0 files changed, 0 insertions, 0 deletions