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| 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/vdso64_wrapper.S | |
| parent | fc5243d98ac2575ad14a974b3c097e9ba874c03d (diff) | |
| download | blackbird-op-linux-b020632e40c3ed5e8c0c066d022672907e8401cf.tar.gz blackbird-op-linux-b020632e40c3ed5e8c0c066d022672907e8401cf.zip | |
[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/vdso64_wrapper.S')
| -rw-r--r-- | arch/s390/kernel/vdso64/vdso64_wrapper.S | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/s390/kernel/vdso64/vdso64_wrapper.S b/arch/s390/kernel/vdso64/vdso64_wrapper.S new file mode 100644 index 000000000000..d8e2ac14d564 --- /dev/null +++ b/arch/s390/kernel/vdso64/vdso64_wrapper.S @@ -0,0 +1,13 @@ +#include <linux/init.h> +#include <asm/page.h> + + .section ".data.page_aligned" + + .globl vdso64_start, vdso64_end + .balign PAGE_SIZE +vdso64_start: + .incbin "arch/s390/kernel/vdso64/vdso64.so" + .balign PAGE_SIZE +vdso64_end: + + .previous |
