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| author |   Martin Schwidefsky <schwidefsky@de.ibm.com> | 2009-04-14 15:36:28 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2009-04-14 15:37:27 +0200 |
| commit | b6112ccbff5ec580d46b584ecc3c3a773b830da2 (patch) | |
| tree | 71553f09a2acfedec85f3c29a1c65e0a257001fb /arch/s390/kernel/head.S | |
| parent | [S390] cpu hotplug and accounting values (diff) | |
| download | linux-dev-b6112ccbff5ec580d46b584ecc3c3a773b830da2.tar.xz linux-dev-b6112ccbff5ec580d46b584ecc3c3a773b830da2.zip | |
[S390] add read_persistent_clock
Add a read_persistent_clock function that does not just return 0.
Since timekeeping_init calls the function before time_init has been
called move reset_tod_clock to early.c to make sure that the TOD
clock is running when read_persistent_clock is invoked.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/head.S')
| -rw-r--r-- | arch/s390/kernel/head.S | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/s390/kernel/head.S b/arch/s390/kernel/head.S index 1046c2c9f8d1..16f8975325ed 100644 --- a/arch/s390/kernel/head.S +++ b/arch/s390/kernel/head.S @@ -471,6 +471,8 @@ startup:basr %r13,0 # get base .LPG0: xc 0x200(256),0x200 # partially clear lowcore xc 0x300(256),0x300 + l %r1,5f-.LPG0(%r13) + stck 0(%r1) #ifndef CONFIG_MARCH_G5 # check processor version against MARCH_{G5,Z900,Z990,Z9_109,Z10} @@ -496,9 +498,10 @@ startup:basr %r13,0 # get base brct %r0,0b #endif - l %r13,0f-.LPG0(%r13) + l %r13,4f-.LPG0(%r13) b 0(%r13) -0: .long startup_continue +4: .long startup_continue +5: .long sched_clock_base_cc # # params at 10400 (setup.h) |