diff options
Diffstat (limited to 'mysql-stack.patch')
| -rw-r--r-- | mysql-stack.patch | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/mysql-stack.patch b/mysql-stack.patch new file mode 100644 index 0000000..c4fd437 --- /dev/null +++ b/mysql-stack.patch @@ -0,0 +1,27 @@ +Talk about silly byte-shaving ... the "stock" value of STACK_MIN_SIZE +does not work on s390x, and probably not on some other platforms either. +Knock it up to twice the pre-5.0.33 value to have some margin for future +changes in compiler, glibc, etc. Suspect this number if +"execution_constants" regression test fails. + +Note: STACK_MIN_SIZE has to be enough less than DEFAULT_THREAD_STACK / 8 +to provide some headroom, which means that its value can't be raised too much +further without increasing the latter as well. + +As of 5.1.33 the stock value is 16000, which might be enough ... or maybe +not. For the moment, we keep this patch around for reference, but it's +not being applied. + + +diff -Naur mysql-5.1.30.orig/sql/mysql_priv.h mysql-5.1.30/sql/mysql_priv.h +--- mysql-5.1.30.orig/sql/mysql_priv.h 2008-11-14 11:37:13.000000000 -0500 ++++ mysql-5.1.30/sql/mysql_priv.h 2009-01-13 11:07:35.000000000 -0500 +@@ -286,7 +286,7 @@ + Feel free to raise this by the smallest amount you can to get the + "execution_constants" test to pass. + */ +-#define STACK_MIN_SIZE 12000 ///< Abort if less stack during eval. ++#define STACK_MIN_SIZE 16384 ///< Abort if less stack during eval. + + #define STACK_MIN_SIZE_FOR_OPEN 1024*80 + #define STACK_BUFF_ALLOC 352 ///< For stack overrun checks |