diff options
| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2008-12-25 13:38:36 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2008-12-25 13:38:55 +0100 |
| commit | b020632e40c3ed5e8c0c066d022672907e8401cf (patch) | |
| tree | d7f805bd27e8378436fbba7e7457afbd10c22ed8 /arch/s390/kernel/vdso64/note.S | |
| parent | fc5243d98ac2575ad14a974b3c097e9ba874c03d (diff) | |
[S390] introduce vdso on s390
Add a vdso to speed up gettimeofday and clock_getres/clock_gettime for
CLOCK_REALTIME/CLOCK_MONOTONIC.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/vdso64/note.S')
| -rw-r--r-- | arch/s390/kernel/vdso64/note.S | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/s390/kernel/vdso64/note.S b/arch/s390/kernel/vdso64/note.S new file mode 100644 index 00000000000..79a071e4357 --- /dev/null +++ b/arch/s390/kernel/vdso64/note.S @@ -0,0 +1,12 @@ +/* + * This supplies .note.* sections to go into the PT_NOTE inside the vDSO text. + * Here we can supply some information useful to userland. + */ + +#include <linux/uts.h> +#include <linux/version.h> +#include <linux/elfnote.h> + +ELFNOTE_START(Linux, 0, "a") + .long LINUX_VERSION_CODE +ELFNOTE_END |