xiaomi-sm8450/android_kernel_xiaomi_sm8450
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Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Ver código fonte 
Pull x86 fixes from Ingo Molnar:
 "Misc fixes:

   - two boot crash fixes
   - unwinder fixes
   - kexec related kernel direct mappings enhancements/fixes
   - more Clang support quirks
   - minor cleanups
   - Documentation fixes"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/intel_rdt: Fix a typo in Documentation
  x86/build: Don't add -maccumulate-outgoing-args w/o compiler support
  x86/boot/32: Fix UP boot on Quark and possibly other platforms
  x86/mm/32: Set the '__vmalloc_start_set' flag in initmem_init()
  x86/kexec/64: Use gbpages for identity mappings if available
  x86/mm: Add support for gbpages to kernel_ident_mapping_init()
  x86/boot: Declare error() as noreturn
  x86/mm/kaslr: Use the _ASM_MUL macro for multiplication to work around Clang incompatibility
  x86/mm: Fix boot crash caused by incorrect loop count calculation in sync_global_pgds()
  x86/asm: Don't use RBP as a temporary register in csum_partial_copy_generic()
  x86/microcode/AMD: Remove redundant NULL check on mc
Esse commit está contido em:
Linus Torvalds
2017-05-12 10:11:50 -07:00
pai 5836e422e5 fb8fb46c56
commit f1e0527d2d
16 arquivos alterados com 64 adições e 28 exclusões
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12
arch/x86/mm/init_64.c
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@@ -94,10 +94,10 @@ __setup("noexec32=", nonx32_setup);
*/
void sync_global_pgds(unsigned long start, unsigned long end)
{
unsigned long address;
unsigned long addr;
for (address = start; address <= end; address += PGDIR_SIZE) {
pgd_t *pgd_ref = pgd_offset_k(address);
for (addr = start; addr <= end; addr = ALIGN(addr + 1, PGDIR_SIZE)) {
pgd_t *pgd_ref = pgd_offset_k(addr);
const p4d_t *p4d_ref;
struct page *page;
@@ -106,7 +106,7 @@ void sync_global_pgds(unsigned long start, unsigned long end)
* handle synchonization on p4d level.
*/
BUILD_BUG_ON(pgd_none(*pgd_ref));
p4d_ref = p4d_offset(pgd_ref, address);
p4d_ref = p4d_offset(pgd_ref, addr);
if (p4d_none(*p4d_ref))
continue;
@@ -117,8 +117,8 @@ void sync_global_pgds(unsigned long start, unsigned long end)
p4d_t *p4d;
spinlock_t *pgt_lock;
pgd = (pgd_t *)page_address(page) + pgd_index(address);
p4d = p4d_offset(pgd, address);
pgd = (pgd_t *)page_address(page) + pgd_index(addr);
p4d = p4d_offset(pgd, addr);
/* the pgt_lock only for Xen */
pgt_lock = &pgd_page_get_mm(page)->page_table_lock;
spin_lock(pgt_lock);