aboutsummaryrefslogtreecommitdiffstats
path: root/arch/sh/mm/tlbflush_64.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2009-09-18 12:43:09 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-18 12:43:09 -0400
commit515b696b282f856c3ad1679ccd658120faa387d0 (patch)
treed9d7c1185c396617f128ca23463062308d11393b /arch/sh/mm/tlbflush_64.c
parentfa877c71e2136bd682b45022c96d5e073ced9f58 (diff)
parent064a16dc41be879d12bd5de5d2f9d38d890e0ee7 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (262 commits) sh: mach-ecovec24: Add user debug switch support sh: Kill off unused se_skipped in alignment trap notification code. sh: Wire up HAVE_SYSCALL_TRACEPOINTS. video: sh_mobile_lcdcfb: use both register sets for display panning video: sh_mobile_lcdcfb: implement display panning sh: Fix up sh7705 flush_dcache_page() build. sh: kfr2r09: document the PLL/FLL <-> RF relationship. sh: mach-ecovec24: need asm/clock.h. sh: mach-ecovec24: deassert usb irq on boot. sh: Add KEYSC support for EcoVec24 sh: add kycr2_delay for sh_keysc sh: cpufreq: Include CPU id in info messages. sh: multi-evt support for SH-X3 proto CPU. sh: clkfwk: remove bogus set_bus_parent() from SH7709. sh: Fix the indication point of the liquid crystal of AP-325RXA(AP3300) sh: Add EcoVec24 romImage defconfig sh: USB disable process is needed if romImage boot for EcoVec24 sh: EcoVec24: add HIZA setting for LED sh: EcoVec24: write MAC address in boot sh: Add romImage support for EcoVec24 ...
Diffstat (limited to 'arch/sh/mm/tlbflush_64.c')
-rw-r--r--arch/sh/mm/tlbflush_64.c22
1 files changed, 5 insertions, 17 deletions
diff --git a/arch/sh/mm/tlbflush_64.c b/arch/sh/mm/tlbflush_64.c
index 3ce40ea34824..2dcc48528f7a 100644
--- a/arch/sh/mm/tlbflush_64.c
+++ b/arch/sh/mm/tlbflush_64.c
@@ -329,22 +329,6 @@ do_sigbus:
329 goto no_context; 329 goto no_context;
330} 330}
331 331
332void update_mmu_cache(struct vm_area_struct * vma,
333 unsigned long address, pte_t pte)
334{
335 /*
336 * This appears to get called once for every pte entry that gets
337 * established => I don't think it's efficient to try refilling the
338 * TLBs with the pages - some may not get accessed even. Also, for
339 * executable pages, it is impossible to determine reliably here which
340 * TLB they should be mapped into (or both even).
341 *
342 * So, just do nothing here and handle faults on demand. In the
343 * TLBMISS handling case, the refill is now done anyway after the pte
344 * has been fixed up, so that deals with most useful cases.
345 */
346}
347
348void local_flush_tlb_one(unsigned long asid, unsigned long page) 332void local_flush_tlb_one(unsigned long asid, unsigned long page)
349{ 333{
350 unsigned long long match, pteh=0, lpage; 334 unsigned long long match, pteh=0, lpage;
@@ -353,7 +337,7 @@ void local_flush_tlb_one(unsigned long asid, unsigned long page)
353 /* 337 /*
354 * Sign-extend based on neff. 338 * Sign-extend based on neff.
355 */ 339 */
356 lpage = (page & NEFF_SIGN) ? (page | NEFF_MASK) : page; 340 lpage = neff_sign_extend(page);
357 match = (asid << PTEH_ASID_SHIFT) | PTEH_VALID; 341 match = (asid << PTEH_ASID_SHIFT) | PTEH_VALID;
358 match |= lpage; 342 match |= lpage;
359 343
@@ -482,3 +466,7 @@ void local_flush_tlb_kernel_range(unsigned long start, unsigned long end)
482 /* FIXME: Optimize this later.. */ 466 /* FIXME: Optimize this later.. */
483 flush_tlb_all(); 467 flush_tlb_all();
484} 468}
469
470void __update_tlb(struct vm_area_struct *vma, unsigned long address, pte_t pte)
471{
472}