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| author | Michael Ellerman | 2005-08-09 03:13:36 +0200 |
|---|---|---|
| committer | Paul Mackerras | 2005-08-29 02:53:38 +0200 |
| commit | 180a33627d958d5d9d3602dde6ac74b315e136f0 (patch) | |
| tree | 2c480741288f1f27ff3b65a95bb67fdf2f206a8f /arch/ppc64/kernel/pSeries_setup.c | |
| parent | [PATCH] ppc64: allow xmon=off (diff) | |
| download | kernel-qcow2-linux-180a33627d958d5d9d3602dde6ac74b315e136f0.tar.gz kernel-qcow2-linux-180a33627d958d5d9d3602dde6ac74b315e136f0.tar.xz kernel-qcow2-linux-180a33627d958d5d9d3602dde6ac74b315e136f0.zip | |
[PATCH] ppc64: Move ppc64_enable_pmcs() logic into a ppc_md function
This patch moves power4_enable_pmcs() to arch/ppc64/kernel/pmc.c.
I've tested it on P5 LPAR and P4. It does what it used to.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/ppc64/kernel/pSeries_setup.c')
| -rw-r--r-- | arch/ppc64/kernel/pSeries_setup.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/ppc64/kernel/pSeries_setup.c b/arch/ppc64/kernel/pSeries_setup.c index 54e0651ba3fd..f0f0630cf07c 100644 --- a/arch/ppc64/kernel/pSeries_setup.c +++ b/arch/ppc64/kernel/pSeries_setup.c @@ -61,6 +61,7 @@ #include <asm/plpar_wrappers.h> #include <asm/xics.h> #include <asm/firmware.h> +#include <asm/pmc.h> #include "i8259.h" #include "mpic.h" @@ -187,6 +188,21 @@ static void __init pSeries_setup_mpic(void) " MPIC "); } +static void pseries_lpar_enable_pmcs(void) +{ + unsigned long set, reset; + + power4_enable_pmcs(); + + set = 1UL << 63; + reset = 0; + plpar_hcall_norets(H_PERFMON, set, reset); + + /* instruct hypervisor to maintain PMCs */ + if (firmware_has_feature(FW_FEATURE_SPLPAR)) + get_paca()->lppaca.pmcregs_in_use = 1; +} + static void __init pSeries_setup_arch(void) { /* Fixup ppc_md depending on the type of interrupt controller */ @@ -245,6 +261,11 @@ static void __init pSeries_setup_arch(void) printk(KERN_INFO "Using default idle loop\n"); ppc_md.idle_loop = default_idle; } + + if (systemcfg->platform & PLATFORM_LPAR) + ppc_md.enable_pmcs = pseries_lpar_enable_pmcs; + else + ppc_md.enable_pmcs = power4_enable_pmcs; } static int __init pSeries_init_panel(void) |