diff options
Diffstat (limited to 'arch/x86/machine/pmap.c')
| -rw-r--r-- | arch/x86/machine/pmap.c | 23 |
1 files changed, 2 insertions, 21 deletions
diff --git a/arch/x86/machine/pmap.c b/arch/x86/machine/pmap.c index cbd08b59..65f9708a 100644 --- a/arch/x86/machine/pmap.c +++ b/arch/x86/machine/pmap.c @@ -148,11 +148,6 @@ static unsigned long pmap_zero_va; static struct spinlock pmap_zero_va_lock; /* - * True if running on multiple processors (TLB flushes must be propagated). - */ -static volatile int pmap_mp_mode; - -/* * Shared variables used by the inter-processor update functions. */ static unsigned long pmap_update_start; @@ -364,6 +359,7 @@ pmap_bootstrap(void) cpu_tlb_flush(); + spinlock_init(&pmap_update_lock); pmap_kernel_limit = VM_MIN_KERNEL_ADDRESS; } @@ -372,9 +368,6 @@ pmap_ap_bootstrap(void) { if (cpu_has_global_pages()) cpu_enable_global_pages(); - - while (!pmap_mp_mode) - cpu_pause(); } unsigned long __init @@ -507,10 +500,7 @@ pmap_kupdate(unsigned long start, unsigned long end) { unsigned int nr_cpus; - if (pmap_mp_mode) - nr_cpus = cpu_count(); - else - nr_cpus = 1; + nr_cpus = cpu_count(); if (nr_cpus == 1) { pmap_kupdate_local(start, end); @@ -556,15 +546,6 @@ pmap_kextract(unsigned long va) } void -pmap_mp_setup(void) -{ - assert(cpu_intr_enabled()); - - spinlock_init(&pmap_update_lock); - pmap_mp_mode = 1; -} - -void pmap_update_intr(struct trap_frame *frame) { (void)frame; |