diff options
Diffstat (limited to 'kernel/main.c')
| -rw-r--r-- | kernel/main.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/main.c b/kernel/main.c index 7fe2d15..d6e6c9d 100644 --- a/kernel/main.c +++ b/kernel/main.c @@ -2476,6 +2476,14 @@ module_param_named(sema_copy_pat, gsp_sema_copy_pat, ullong, 0644); MODULE_PARM_DESC(sema_copy_pat, "8-byte pattern matched in copy src/dst and pushes (default 0)"); /* + * Data-path watch: dump the source bytes of copies whose destination falls + * in this address's page (up to 32 samples): + * echo 0x200000 > .../parameters/sema_copy_dst + */ +module_param_named(sema_copy_dst, gsp_sema_copy_dst, ullong, 0644); +MODULE_PARM_DESC(sema_copy_dst, "Dump source bytes of copies landing in this page (default 0)"); + +/* * Grace window (ms) an untranslatable CE entry stays pending before the * fallback acknowledges its release and consumes it. Its work must run before * the release the client synchronizes on; the translation usually lands within |