Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-16 00:52:01 +00:00
Code Issues Packages Projects Releases Wiki Activity

Revert "[PARISC] Optimize TLB flush on SMP systems"

Browse Source 
This reverts commit 592ac93a60
which causes SMP machines with maxcpus > 1 to fail to boot...
This commit is contained in:
Kyle McMartin 2007-02-18 19:35:45 +00:00
parent f6744bdd73
commit 04532c4f55
1 changed files with 13 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
include/asm-parisc/tlbflush.h
View File

@ -39,19 +39,21 @@ extern void flush_tlb_all_local(void *);
* etc. do not do that).
*/
static inline void __flush_tlb_mm(void *mmv)
{
struct mm_struct *mm = (struct mm_struct *)mmv;
if (mm == current->active_mm)
load_context(mm->context);
}
static inline void flush_tlb_mm(struct mm_struct *mm)
{
if (mm->context != 0)
free_sid(mm->context);
mm->context = alloc_sid();
on_each_cpu(__flush_tlb_mm, mm, 1, 1);
BUG_ON(mm == &init_mm); /* Should never happen */
#ifdef CONFIG_SMP
flush_tlb_all();
#else
if (mm) {
if (mm->context != 0)
free_sid(mm->context);
mm->context = alloc_sid();
if (mm == current->active_mm)
load_context(mm->context);
}
#endif
}
extern __inline__ void flush_tlb_pgtables(struct mm_struct *mm, unsigned long start, unsigned long end)