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authorMartin Schwidefsky <schwidefsky@de.ibm.com>2014-08-29 12:31:45 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2014-09-09 08:53:27 +0200
commitb7eacb59cd7fb5e98852186e485c0c865f862645 (patch)
tree79020288a93eb3abfa3de29c44735958e7c3655e /arch/s390/include/asm
parent070b7be633dc33c0899e8c934b4d5fad046b06e8 (diff)
downloadop-kernel-dev-b7eacb59cd7fb5e98852186e485c0c865f862645.zip
op-kernel-dev-b7eacb59cd7fb5e98852186e485c0c865f862645.tar.gz
s390/vdso: add vdso support for coarse clocks
Add CLOCK_REALTIME_COARSE and CLOCK_MONOTONIC_COARSE optimization to the 64-bit and 31-bit vdso. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include/asm')
-rw-r--r--arch/s390/include/asm/vdso.h18
1 files changed, 11 insertions, 7 deletions
diff --git a/arch/s390/include/asm/vdso.h b/arch/s390/include/asm/vdso.h
index bc9746a..a62526d 100644
--- a/arch/s390/include/asm/vdso.h
+++ b/arch/s390/include/asm/vdso.h
@@ -22,13 +22,17 @@ struct vdso_data {
__u64 xtime_tod_stamp; /* TOD clock for xtime 0x08 */
__u64 xtime_clock_sec; /* Kernel time 0x10 */
__u64 xtime_clock_nsec; /* 0x18 */
- __u64 wtom_clock_sec; /* Wall to monotonic clock 0x20 */
- __u64 wtom_clock_nsec; /* 0x28 */
- __u32 tz_minuteswest; /* Minutes west of Greenwich 0x30 */
- __u32 tz_dsttime; /* Type of dst correction 0x34 */
- __u32 ectg_available; /* ECTG instruction present 0x38 */
- __u32 tk_mult; /* Mult. used for xtime_nsec 0x3c */
- __u32 tk_shift; /* Shift used for xtime_nsec 0x40 */
+ __u64 xtime_coarse_sec; /* Coarse kernel time 0x20 */
+ __u64 xtime_coarse_nsec; /* 0x28 */
+ __u64 wtom_clock_sec; /* Wall to monotonic clock 0x30 */
+ __u64 wtom_clock_nsec; /* 0x38 */
+ __u64 wtom_coarse_sec; /* Coarse wall to monotonic 0x40 */
+ __u64 wtom_coarse_nsec; /* 0x48 */
+ __u32 tz_minuteswest; /* Minutes west of Greenwich 0x50 */
+ __u32 tz_dsttime; /* Type of dst correction 0x54 */
+ __u32 ectg_available; /* ECTG instruction present 0x58 */
+ __u32 tk_mult; /* Mult. used for xtime_nsec 0x5c */
+ __u32 tk_shift; /* Shift used for xtime_nsec 0x60 */
};
struct vdso_per_cpu_data {
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