diff options
| author | Vineet Gupta <vgupta@synopsys.com> | 2015-02-19 19:14:02 +0530 |
|---|---|---|
| committer | Bernhard Reutner-Fischer <rep.dot.nop@gmail.com> | 2015-02-20 11:35:33 +0100 |
| commit | cd03281d3c2c168f32e42783ee78995772a1763a (patch) | |
| tree | 38cb22a9d490ace1888df78523f1dfe99b351e95 /libc | |
| parent | 2a2b1d2a3e97b4353eec5a40c0de4b932340b3fc (diff) | |
sync_file_range: fix standard UCLIBC_SYSCALL_ALIGN_64BIT handling
Currently UCLIBC_SYSCALL_ALIGN_64BIT is not explicitly handled. Fix that
and make sure the special handling is done for powerpc/xtensa which use
UCLIBC_SYSCALL_ALIGN_64BIT but don't use hole punched syscall handler in
kernel.
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Cc: Baruch Siach <baruch@tkos.co.il>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Diffstat (limited to 'libc')
| -rw-r--r-- | libc/sysdeps/linux/common/sync_file_range.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/libc/sysdeps/linux/common/sync_file_range.c b/libc/sysdeps/linux/common/sync_file_range.c index 6cd7e94d6..db797de62 100644 --- a/libc/sysdeps/linux/common/sync_file_range.c +++ b/libc/sysdeps/linux/common/sync_file_range.c @@ -24,7 +24,11 @@ static int __NC(sync_file_range)(int fd, off64_t offset, off64_t nbytes, unsigne { # if defined __powerpc__ && __WORDSIZE == 64 return INLINE_SYSCALL(sync_file_range, 4, fd, flags, offset, nbytes); -# elif defined __mips__ && _MIPS_SIM == _ABIO32 +# elif (defined __mips__ && _MIPS_SIM == _ABIO32) || \ + (defined(__UCLIBC_SYSCALL_ALIGN_64BIT__) && !(defined(__powerpc__) || defined(__xtensa__))) + /* arch with 64-bit data in even reg alignment #2: [arcv2/others-in-future] + * stock syscall handler in kernel (reg hole punched) + * see libc/sysdeps/linux/common/posix_fadvise.c for more details */ return INLINE_SYSCALL(sync_file_range, 7, fd, 0, OFF64_HI_LO(offset), OFF64_HI_LO(nbytes), flags); # elif defined __NR_sync_file_range2 |