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Diffstat (limited to 'stap.1.in')
| -rw-r--r-- | stap.1.in | 11 |
1 files changed, 10 insertions, 1 deletions
@@ -340,12 +340,21 @@ by If, on the other hand, the first part is the identifier .BR arch to refer to the processor architecture (as named by the kernel -build system ARCH/SUBARCH), then the second part then the second +build system ARCH/SUBARCH), then the second part is one of the two string comparison operators .BR == " or " != , and the third part is a string literal for matching it. This comparison is a wildcard (mis)match. .PP +Similarly, if the first part is an identifier like +.BR CONFIG_something +to refer to a kernel configuration option, then the second part is +.BR == " or " != , +and the third part is a string literal for matching the value +(commonly "y" or "m"). Nonexistent or unset kernel configuration +options are represented by the empty string. This comparison is also +a wildcard (mis)match. +.PP Otherwise, the CONDITION is expected to be a comparison between two string literals or two numeric literals. In this case, the arguments are the only variables usable. |