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| author | Ingo Molnar <mingo@elte.hu> | 2009-10-17 09:58:25 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-10-17 09:58:25 +0200 |
| commit | bb3c3e807140816b5f5fd4840473ee52a916ad4f (patch) | |
| tree | 9e8a69d266a7df86ca16177eefffab4b4e910753 /arch/s390/kernel/swsusp_asm64.S | |
| parent | perf: Add perf-probe document (diff) | |
| parent | Linux 2.6.32-rc5 (diff) | |
| download | linux-bb3c3e807140816b5f5fd4840473ee52a916ad4f.tar.xz linux-bb3c3e807140816b5f5fd4840473ee52a916ad4f.zip | |
Merge commit 'v2.6.32-rc5' into perf/probes
Conflicts:
kernel/trace/trace_event_profile.c
Merge reason: update to -rc5 and resolve conflict.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/s390/kernel/swsusp_asm64.S')
| -rw-r--r-- | arch/s390/kernel/swsusp_asm64.S | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/arch/s390/kernel/swsusp_asm64.S b/arch/s390/kernel/swsusp_asm64.S index fe927d0bc20b..7c8653e27db6 100644 --- a/arch/s390/kernel/swsusp_asm64.S +++ b/arch/s390/kernel/swsusp_asm64.S @@ -43,7 +43,7 @@ swsusp_arch_suspend: lghi %r1,0x1000 /* Save CPU address */ - stap __LC_CPU_ADDRESS(%r1) + stap __LC_CPU_ADDRESS(%r0) /* Store registers */ mvc 0x318(4,%r1),__SF_EMPTY(%r15) /* move prefix to lowcore */ @@ -69,8 +69,21 @@ swsusp_arch_suspend: stmg %r0,%r15,0x280(%r1) /* store general registers */ stpt 0x328(%r1) /* store timer */ + stck __SF_EMPTY(%r15) /* store clock */ stckc 0x330(%r1) /* store clock comparator */ + /* Update cputime accounting before going to sleep */ + lg %r0,__LC_LAST_UPDATE_TIMER + slg %r0,0x328(%r1) + alg %r0,__LC_SYSTEM_TIMER + stg %r0,__LC_SYSTEM_TIMER + mvc __LC_LAST_UPDATE_TIMER(8),0x328(%r1) + lg %r0,__LC_LAST_UPDATE_CLOCK + slg %r0,__SF_EMPTY(%r15) + alg %r0,__LC_STEAL_TIMER + stg %r0,__LC_STEAL_TIMER + mvc __LC_LAST_UPDATE_CLOCK(8),__SF_EMPTY(%r15) + /* Activate DAT */ stosm __SF_EMPTY(%r15),0x04 @@ -159,8 +172,7 @@ pgm_check_entry: larl %r1,.Lresume_cpu /* Resume CPU address: r2 */ stap 0(%r1) llgh %r2,0(%r1) - lghi %r3,0x1000 - llgh %r1,__LC_CPU_ADDRESS(%r3) /* Suspend CPU address: r1 */ + llgh %r1,__LC_CPU_ADDRESS(%r0) /* Suspend CPU address: r1 */ cgr %r1,%r2 je restore_registers /* r1 = r2 -> nothing to do */ larl %r4,.Lrestart_suspend_psw /* Set new restart PSW */ @@ -200,8 +212,11 @@ restart_suspend: restore_registers: /* Restore registers */ - lghi %r13,0x1000 /* %r1 = pointer to save arae */ + lghi %r13,0x1000 /* %r1 = pointer to save area */ + /* Ignore time spent in suspended state. */ + llgf %r1,0x318(%r13) + stck __LC_LAST_UPDATE_CLOCK(%r1) spt 0x328(%r13) /* reprogram timer */ //sckc 0x330(%r13) /* set clock comparator */ @@ -229,9 +244,6 @@ restore_registers: /* Load old stack */ lg %r15,0x2f8(%r13) - /* Pointer to save area */ - lghi %r13,0x1000 - /* Restore prefix register */ spx 0x318(%r13) |