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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-03-16 10:09:30 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-03-16 10:09:30 -0700 |
| commit | 1c8e85b17ac0707c7732081e94cadc5f89986e5f (patch) | |
| tree | 3464e6a1dbb612e97f02bbbf299df95472b25c41 /arch/avr32 | |
| parent | 10dc3747661bea9215417b659449bb7b8ed3df2c (diff) | |
| parent | 392c5174499296bcdecbe1705d577883065fa5de (diff) | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/egtvedt/linux-avr32
Pull AVR32 updates from Hans-Christian Egtvedt.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/egtvedt/linux-avr32:
avr32: fix asm operand constraint in cmpxchg()
avr32: wire up copy_file_range syscall
Diffstat (limited to 'arch/avr32')
| -rw-r--r-- | arch/avr32/include/asm/cmpxchg.h | 2 | ||||
| -rw-r--r-- | arch/avr32/include/uapi/asm/unistd.h | 1 | ||||
| -rw-r--r-- | arch/avr32/kernel/syscall-stubs.S | 9 | ||||
| -rw-r--r-- | arch/avr32/kernel/syscall_table.S | 1 |
4 files changed, 12 insertions, 1 deletions
diff --git a/arch/avr32/include/asm/cmpxchg.h b/arch/avr32/include/asm/cmpxchg.h index 366bbeaeb405..572739b4c4b4 100644 --- a/arch/avr32/include/asm/cmpxchg.h +++ b/arch/avr32/include/asm/cmpxchg.h @@ -57,7 +57,7 @@ static inline unsigned long __cmpxchg_u32(volatile int *m, unsigned long old, " brne 1b\n" "2:\n" : [ret] "=&r"(ret), [m] "=m"(*m) - : "m"(m), [old] "ir"(old), [new] "r"(new) + : "m"(m), [old] "Ks21r"(old), [new] "r"(new) : "memory", "cc"); return ret; } diff --git a/arch/avr32/include/uapi/asm/unistd.h b/arch/avr32/include/uapi/asm/unistd.h index b60132bb27ea..60c0f3afc1f9 100644 --- a/arch/avr32/include/uapi/asm/unistd.h +++ b/arch/avr32/include/uapi/asm/unistd.h @@ -337,5 +337,6 @@ #define __NR_userfaultfd 322 #define __NR_membarrier 323 #define __NR_mlock2 324 +#define __NR_copy_file_range 325 #endif /* _UAPI__ASM_AVR32_UNISTD_H */ diff --git a/arch/avr32/kernel/syscall-stubs.S b/arch/avr32/kernel/syscall-stubs.S index f9c68fab0e2f..cb3991552f14 100644 --- a/arch/avr32/kernel/syscall-stubs.S +++ b/arch/avr32/kernel/syscall-stubs.S @@ -124,3 +124,12 @@ __sys_process_vm_writev: call sys_process_vm_writev sub sp, -4 popm pc + + .global __sys_copy_file_range + .type __sys_copy_file_range,@function +__sys_copy_file_range: + pushm lr + st.w --sp, ARG6 + call sys_copy_file_range + sub sp, -4 + popm pc diff --git a/arch/avr32/kernel/syscall_table.S b/arch/avr32/kernel/syscall_table.S index 1915a443b491..64d71a781fa8 100644 --- a/arch/avr32/kernel/syscall_table.S +++ b/arch/avr32/kernel/syscall_table.S @@ -338,4 +338,5 @@ sys_call_table: .long sys_userfaultfd .long sys_membarrier .long sys_mlock2 + .long __sys_copy_file_range /* 325 */ .long sys_ni_syscall /* r8 is saturated at nr_syscalls */ |