Commit 8bb9bf24 authored by Joerg Roedel's avatar Joerg Roedel Committed by Ingo Molnar

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: default avatarJoerg Roedel <jroedel@suse.de>
Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
Reviewed-by: default avatarMike Rapoport <rppt@linux.ibm.com>
Link: https://lore.kernel.org/r/20200721095953.6218-3-joro@8bytes.org
parent 6eb82f99
...@@ -159,6 +159,4 @@ extern unsigned int ptrs_per_p4d; ...@@ -159,6 +159,4 @@ extern unsigned int ptrs_per_p4d;
#define PGD_KERNEL_START ((PAGE_SIZE / 2) / sizeof(pgd_t)) #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 */ #endif /* _ASM_X86_PGTABLE_64_DEFS_H */
...@@ -217,11 +217,6 @@ void sync_global_pgds(unsigned long start, unsigned long end) ...@@ -217,11 +217,6 @@ void sync_global_pgds(unsigned long start, unsigned long end)
sync_global_pgds_l4(start, 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 * 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. * (alloc_bootmem_pages). It's safe to do it ONLY when after_bootmem == 0.
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment