xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

x86: cleanup tlbflush.h variants

Browse Source 
Bring the tlbflush.h variants into sync to prepare merging and
paravirt support.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner
2008-01-30 13:30:35 +01:00
committed by Ingo Molnar
parent 1075cf7a95
commit 0b9c99b6f2
6 changed files with 124 additions and 96 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
arch/x86/kernel/smp_64.c
View File

@@ -55,7 +55,6 @@ union smp_flush_state {
cpumask_t flush_cpumask;
struct mm_struct *flush_mm;
unsigned long flush_va;
#define FLUSH_ALL -1ULL
spinlock_t tlbstate_lock;
};
char pad[SMP_CACHE_BYTES];
@@ -153,7 +152,7 @@ asmlinkage void smp_invalidate_interrupt(struct pt_regs *regs)
if (f->flush_mm == read_pda(active_mm)) {
if (read_pda(mmu_state) == TLBSTATE_OK) {
if (f->flush_va == FLUSH_ALL)
if (f->flush_va == TLB_FLUSH_ALL)
local_flush_tlb();
else
__flush_tlb_one(f->flush_va);
@@ -166,11 +165,12 @@ out:
add_pda(irq_tlb_count, 1);
}
static void flush_tlb_others(cpumask_t cpumask, struct mm_struct *mm,
unsigned long va)
void native_flush_tlb_others(const cpumask_t *cpumaskp, struct mm_struct *mm,
unsigned long va)
{
int sender;
union smp_flush_state *f;
cpumask_t cpumask = *cpumaskp;
/* Caller has disabled preemption */
sender = smp_processor_id() % NUM_INVALIDATE_TLB_VECTORS;
@@ -223,7 +223,7 @@ void flush_tlb_current_task(void)
local_flush_tlb();
if (!cpus_empty(cpu_mask))
flush_tlb_others(cpu_mask, mm, FLUSH_ALL);
flush_tlb_others(cpu_mask, mm, TLB_FLUSH_ALL);
preempt_enable();
}
@@ -242,7 +242,7 @@ void flush_tlb_mm (struct mm_struct * mm)
leave_mm(smp_processor_id());
}
if (!cpus_empty(cpu_mask))
flush_tlb_others(cpu_mask, mm, FLUSH_ALL);
flush_tlb_others(cpu_mask, mm, TLB_FLUSH_ALL);
preempt_enable();
}