The following commit has been merged into the x86/mm branch of tip: Commit-ID: 8bb9bf242d1fee925636353807c511d54fde8986 Gitweb: https://git.kernel.org/tip/8bb9bf242d1fee925636353807c511d54fde8986 Author: Joerg Roedel <[email protected]> AuthorDate: Tue, 21 Jul 2020 11:59:52 +02:00 Committer: Ingo Molnar <[email protected]> CommitterDate: Mon, 27 Jul 2020 12:32:29 +02:00
x86/mm/64: Do not sync vmalloc/ioremap mappings Remove the code to sync the vmalloc and ioremap ranges for x86-64. The page-table pages are all pre-allocated now so that synchronization is no longer necessary. Signed-off-by: Joerg Roedel <[email protected]> Signed-off-by: Ingo Molnar <[email protected]> Reviewed-by: Mike Rapoport <[email protected]> Link: https://lore.kernel.org/r/[email protected] --- arch/x86/include/asm/pgtable_64_types.h | 2 -- arch/x86/mm/init_64.c | 5 ----- 2 files changed, 7 deletions(-) diff --git a/arch/x86/include/asm/pgtable_64_types.h b/arch/x86/include/asm/pgtable_64_types.h index 8f63efb..52e5f5f 100644 --- a/arch/x86/include/asm/pgtable_64_types.h +++ b/arch/x86/include/asm/pgtable_64_types.h @@ -159,6 +159,4 @@ extern unsigned int ptrs_per_p4d; #define PGD_KERNEL_START ((PAGE_SIZE / 2) / sizeof(pgd_t)) -#define ARCH_PAGE_TABLE_SYNC_MASK (pgtable_l5_enabled() ? PGTBL_PGD_MODIFIED : PGTBL_P4D_MODIFIED) - #endif /* _ASM_X86_PGTABLE_64_DEFS_H */ diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index e76bdb0..e0cd2df 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -217,11 +217,6 @@ void sync_global_pgds(unsigned long start, unsigned long end) sync_global_pgds_l4(start, end); } -void arch_sync_kernel_mappings(unsigned long start, unsigned long end) -{ - sync_global_pgds(start, end); -} - /* * NOTE: This function is marked __ref because it calls __init function * (alloc_bootmem_pages). It's safe to do it ONLY when after_bootmem == 0.
