diff options
| author | David Leonard <d@cvs.openbsd.org> | 1999-01-10 23:00:03 +0000 |
|---|---|---|
| committer | David Leonard <d@cvs.openbsd.org> | 1999-01-10 23:00:03 +0000 |
| commit | 6227d66abdcfd6fb145a85fa8622342cbbffeaab (patch) | |
| tree | b879d2072437ca9f76557547a244553571f02379 /lib/libc_r/arch | |
| parent | 53dc382d6829fef41f54072178953eeef7dc6919 (diff) | |
note pathological problem
Diffstat (limited to 'lib/libc_r/arch')
| -rw-r--r-- | lib/libc_r/arch/mips/_atomic_lock.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/libc_r/arch/mips/_atomic_lock.c b/lib/libc_r/arch/mips/_atomic_lock.c index 6b9760a9e46..18092da4566 100644 --- a/lib/libc_r/arch/mips/_atomic_lock.c +++ b/lib/libc_r/arch/mips/_atomic_lock.c @@ -1,4 +1,4 @@ -/* $OpenBSD: _atomic_lock.c,v 1.4 1998/12/21 13:03:45 d Exp $ */ +/* $OpenBSD: _atomic_lock.c,v 1.5 1999/01/10 23:00:02 d Exp $ */ /* * Atomic lock for mips */ @@ -25,6 +25,8 @@ _atomic_lock(volatile _spinlock_lock_t *lock) * Read the lock and tag the cache line with a 'load linked' * instruction. (Register 17 (LLAddr) will hold the * physical address of lock for diagnostic purposes); + * (Under pathologically heavy swapping, the physaddr may + * change! XXX) */ __asm__("ll %0, %1" : "=r"(old) : "m"(*lock)); if (old != _SPINLOCK_UNLOCKED) |