diff options
| author | Brian Behlendorf <[email protected]> | 2013-01-29 10:35:02 -0800 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2013-01-29 10:58:20 -0800 |
| commit | 79c6e4c44538414340a43c065f850d11cb0203af (patch) | |
| tree | 70dcd0d08eea41a74954534c519f42b165f32f83 /include | |
| parent | 9759c60f1a1503e48dc5c45a209c3edd5758319f (diff) | |
Remove NPTL_GUARD_WITHIN_STACK
Commit 4b2f65b253952c5103311cc8bb4b8cdc6836fd7e increased the user
space stack by 4x to resolve certain stack overflows. As such it
no longer makes sense to worry about a single extra page which
might or might not be part of the process stack. There is now
ample headroom for normal usage.
By eliminating this configure check we are also resolving the
following segfault which intentionally occurs at configure time
and may be logged in dmesg.
conftest[22156]: segfault at 7fbf18a47e48 ip 00000000004007fe
sp 00007fbf18a4be50 error 6 in conftest[400000+1000]
Signed-off-by: Brian Behlendorf <[email protected]>
Diffstat (limited to 'include')
| -rw-r--r-- | include/sys/zfs_context.h | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/include/sys/zfs_context.h b/include/sys/zfs_context.h index 6b00a5d5d..53080f382 100644 --- a/include/sys/zfs_context.h +++ b/include/sys/zfs_context.h @@ -190,12 +190,6 @@ extern void vpanic(const char *, __va_list); #define STACK_SIZE 24576 /* Solaris */ #endif -#ifdef NPTL_GUARD_WITHIN_STACK -#define EXTRA_GUARD_BYTES PAGESIZE -#else -#define EXTRA_GUARD_BYTES 0 -#endif - /* in libzpool, p0 exists only to have its address taken */ typedef struct proc { uintptr_t this_is_never_used_dont_dereference_it; |