diff options
| author | Fenghua Yu <fenghua.yu@intel.com> | 2008-03-14 21:57:08 +0100 |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2008-04-04 20:06:38 +0200 |
| commit | a6c75b86ce9f01db4ea9912877b526c2dc4d2f0a (patch) | |
| tree | a8763d9be28ffff5d28f1ff3235f044aaa64a0fa /arch/ia64/kernel | |
| parent | [IA64] Multiple outstanding ptc.g instruction support (diff) | |
| download | linux-a6c75b86ce9f01db4ea9912877b526c2dc4d2f0a.tar.xz linux-a6c75b86ce9f01db4ea9912877b526c2dc4d2f0a.zip | |
[IA64] Kernel parameter for max number of concurrent global TLB purges
The patch defines kernel parameter "nptcg=". The parameter overrides max number
of concurrent global TLB purges which is reported from either PAL_VM_SUMMARY or
SAL PALO.
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch/ia64/kernel')
| -rw-r--r-- | arch/ia64/kernel/efi.c | 2 | ||||
| -rw-r--r-- | arch/ia64/kernel/setup.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c index 003cd09b0732..d45f215bc8fc 100644 --- a/arch/ia64/kernel/efi.c +++ b/arch/ia64/kernel/efi.c @@ -436,7 +436,7 @@ static void __init handle_palo(unsigned long palo_phys) return; } - setup_ptcg_sem(palo->max_tlb_purges, 1); + setup_ptcg_sem(palo->max_tlb_purges, NPTCG_FROM_PALO); } void diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c index 1cbd26340d87..f798c0769d36 100644 --- a/arch/ia64/kernel/setup.c +++ b/arch/ia64/kernel/setup.c @@ -949,7 +949,7 @@ cpu_init (void) /* set ia64_ctx.max_rid to the maximum RID that is supported by all CPUs: */ if (ia64_pal_vm_summary(NULL, &vmi) == 0) { max_ctx = (1U << (vmi.pal_vm_info_2_s.rid_size - 3)) - 1; - setup_ptcg_sem(vmi.pal_vm_info_2_s.max_purges, 0); + setup_ptcg_sem(vmi.pal_vm_info_2_s.max_purges, NPTCG_FROM_PAL); } else { printk(KERN_WARNING "cpu_init: PAL VM summary failed, assuming 18 RID bits\n"); max_ctx = (1U << 15) - 1; /* use architected minimum */ |