linux-kernel - [PATCH 1/2] x86/boot: Remove unused finalize_identity

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Message-Id: <20201005151208.2212886-2-nivedita@alum.mit.edu>
Date:   Mon,  5 Oct 2020 11:12:07 -0400
From:   Arvind Sankar <nivedita@...m.mit.edu>
To:     x86@...nel.org, Joerg Roedel <jroedel@...e.de>
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] x86/boot: Remove unused finalize_identity_maps()

Commit [in tip/master]
  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.

Signed-off-by: Arvind Sankar <nivedita@...m.mit.edu>
---
 arch/x86/boot/compressed/ident_map_64.c | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/arch/x86/boot/compressed/ident_map_64.c b/arch/x86/boot/compressed/ident_map_64.c
index 063a60edcf99..be97bf868638 100644
--- a/arch/x86/boot/compressed/ident_map_64.c
+++ b/arch/x86/boot/compressed/ident_map_64.c
@@ -156,16 +156,6 @@ void initialize_identity_maps(void)
 	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)
 {
-- 
2.26.2