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futex: erm, unmake futex aarch64 only oops?

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Ciro Santilli 六四事件 法轮功
2020-07-09 01:00:00 +00:00
parent 971b0ba2b5
commit f50f03d2ef
1 changed files with 6 additions and 0 deletions
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6
lkmc/futex.h
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@@ -12,6 +12,7 @@ static int
lkmc_futex(int *uaddr, int futex_op, int val, lkmc_futex(int *uaddr, int futex_op, int val,
const struct timespec *timeout, int *uaddr2, int val3) const struct timespec *timeout, int *uaddr2, int val3)
{ {
#if defined(__aarch64__)
register uint64_t x0 __asm__ ("x0") = (uint64_t)uaddr; register uint64_t x0 __asm__ ("x0") = (uint64_t)uaddr;
register uint64_t x1 __asm__ ("x1") = futex_op; register uint64_t x1 __asm__ ("x1") = futex_op;
register uint64_t x2 __asm__ ("x2") = val; register uint64_t x2 __asm__ ("x2") = val;
@@ -26,6 +27,11 @@ lkmc_futex(int *uaddr, int futex_op, int val,
: "memory" : "memory"
); );
return x0; return x0;
#else
(void)uaddr2;
return syscall(SYS_futex, uaddr, futex_op, val,
timeout, uaddr, val3);
#endif
} }
#endif #endif