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authorLinus Torvalds <torvalds@linux-foundation.org>2008-04-21 18:38:43 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-21 18:38:43 -0400
commit5f033bb9bc5cb3bb37a79e3ef131f50ecdcb72b0 (patch)
tree16c6fdc3fab80d88ea4d8fd7eb302097f97c062c /arch/x86/kernel/efi.c
parentfd9be4ce2e1eb407a8152f823698cc0d652bbec8 (diff)
parent34d0559178393547505ec9492321255405f4e441 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86: (77 commits) x86: UV startup of slave cpus x86: integrate pci-dma.c x86: don't do dma if mask is NULL. x86: return conditional to mmu x86: remove kludge from x86_64 x86: unify gfp masks x86: retry allocation if failed x86: don't try to allocate from DMA zone at first x86: use a fallback dev for i386 x86: use numa allocation function in i386 x86: remove virt_to_bus in pci-dma_64.c x86: adjust dma_free_coherent for i386 x86: move bad_dma_address x86: isolate coherent mapping functions x86: move dma_coherent functions to pci-dma.c x86: merge iommu initialization parameters x86: merge dma_supported x86: move pci fixup to pci-dma.c x86: move x86_64-specific to common code. x86: move initialization functions to pci-dma.c ...
Diffstat (limited to 'arch/x86/kernel/efi.c')
-rw-r--r--arch/x86/kernel/efi.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/arch/x86/kernel/efi.c b/arch/x86/kernel/efi.c
index 759e02bec070..77d424cf68b3 100644
--- a/arch/x86/kernel/efi.c
+++ b/arch/x86/kernel/efi.c
@@ -383,6 +383,7 @@ static void __init runtime_code_page_mkexec(void)
383{ 383{
384 efi_memory_desc_t *md; 384 efi_memory_desc_t *md;
385 void *p; 385 void *p;
386 u64 addr, npages;
386 387
387 /* Make EFI runtime service code area executable */ 388 /* Make EFI runtime service code area executable */
388 for (p = memmap.map; p < memmap.map_end; p += memmap.desc_size) { 389 for (p = memmap.map; p < memmap.map_end; p += memmap.desc_size) {
@@ -391,7 +392,10 @@ static void __init runtime_code_page_mkexec(void)
391 if (md->type != EFI_RUNTIME_SERVICES_CODE) 392 if (md->type != EFI_RUNTIME_SERVICES_CODE)
392 continue; 393 continue;
393 394
394 set_memory_x(md->virt_addr, md->num_pages); 395 addr = md->virt_addr;
396 npages = md->num_pages;
397 memrange_efi_to_native(&addr, &npages);
398 set_memory_x(addr, npages);
395 } 399 }
396} 400}
397 401
@@ -408,7 +412,7 @@ void __init efi_enter_virtual_mode(void)
408 efi_memory_desc_t *md; 412 efi_memory_desc_t *md;
409 efi_status_t status; 413 efi_status_t status;
410 unsigned long size; 414 unsigned long size;
411 u64 end, systab; 415 u64 end, systab, addr, npages;
412 void *p, *va; 416 void *p, *va;
413 417
414 efi.systab = NULL; 418 efi.systab = NULL;
@@ -420,7 +424,7 @@ void __init efi_enter_virtual_mode(void)
420 size = md->num_pages << EFI_PAGE_SHIFT; 424 size = md->num_pages << EFI_PAGE_SHIFT;
421 end = md->phys_addr + size; 425 end = md->phys_addr + size;
422 426
423 if ((end >> PAGE_SHIFT) <= max_pfn_mapped) 427 if (PFN_UP(end) <= max_pfn_mapped)
424 va = __va(md->phys_addr); 428 va = __va(md->phys_addr);
425 else 429 else
426 va = efi_ioremap(md->phys_addr, size); 430 va = efi_ioremap(md->phys_addr, size);
@@ -433,8 +437,12 @@ void __init efi_enter_virtual_mode(void)
433 continue; 437 continue;
434 } 438 }
435 439
436 if (!(md->attribute & EFI_MEMORY_WB)) 440 if (!(md->attribute & EFI_MEMORY_WB)) {
437 set_memory_uc(md->virt_addr, md->num_pages); 441 addr = md->virt_addr;
442 npages = md->num_pages;
443 memrange_efi_to_native(&addr, &npages);
444 set_memory_uc(addr, npages);
445 }
438 446
439 systab = (u64) (unsigned long) efi_phys.systab; 447 systab = (u64) (unsigned long) efi_phys.systab;
440 if (md->phys_addr <= systab && systab < end) { 448 if (md->phys_addr <= systab && systab < end) {