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authorArvind Sankar <nivedita@alum.mit.edu>2020-10-05 11:12:07 -0400
committerBorislav Petkov <bp@suse.de>2020-11-18 16:04:23 +0100
commit0ac317e89791b76055ef11b952625ef77a1d2eba (patch)
treeed9437187aa7e847afcd6902b12b9b5d2655ea56
parent907f8eb8e0eb2b3312b292e67dc4dbc493424747 (diff)
x86/boot: Remove unused finalize_identity_maps()
Commit 8570978ea030 ("x86/boot/compressed/64: Don't pre-map memory in KASLR code") removed all the references to finalize_identity_maps(), but neglected to delete the actual function. Remove it. Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/20201005151208.2212886-2-nivedita@alum.mit.edu
-rw-r--r--arch/x86/boot/compressed/ident_map_64.c10
1 files changed, 0 insertions, 10 deletions
diff --git a/arch/x86/boot/compressed/ident_map_64.c b/arch/x86/boot/compressed/ident_map_64.c
index a5e5db6ada3c..6bf20223dc0f 100644
--- a/arch/x86/boot/compressed/ident_map_64.c
+++ b/arch/x86/boot/compressed/ident_map_64.c
@@ -167,16 +167,6 @@ void initialize_identity_maps(void *rmode)
write_cr3(top_level_pgt);
}
-/*
- * This switches the page tables to the new level4 that has been built
- * via calls to add_identity_map() above. If booted via startup_32(),
- * this is effectively a no-op.
- */
-void finalize_identity_maps(void)
-{
- write_cr3(top_level_pgt);
-}
-
static pte_t *split_large_pmd(struct x86_mapping_info *info,
pmd_t *pmdp, unsigned long __address)
{