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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
hifive-unleashed-5.1
Linus Torvalds 2016-03-16 10:09:30 -07:00
commit 1c8e85b17a
4 changed files with 12 additions and 1 deletions

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@ -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;
}

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@ -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 */

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@ -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

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@ -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 */