From: Vitaly Kuznetsov <vkuznets@redhat.com>
To: x86@kernel.org
Cc: Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
"H. Peter Anvin" <hpa@zytor.com>, Joerg Roedel <jroedel@suse.de>,
Arvind Sankar <nivedita@alum.mit.edu>,
linux-kernel@vger.kernel.org
Subject: [PATCH] x86/boot/compressed/64: Drop the now-unused finalize_identity_maps()
Date: Fri, 13 Nov 2020 16:08:10 +0100 [thread overview]
Message-ID: <20201113150810.1233016-1-vkuznets@redhat.com> (raw)
Since commit 8570978ea030 ("x86/boot/compressed/64: Don't pre-map memory in
KASLR code") finalize_identity_maps() has no users, drop it.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
---
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 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)
{
--
2.26.2
next reply other threads:[~2020-11-13 15:08 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-13 15:08 Vitaly Kuznetsov [this message]
2020-11-13 15:13 ` Arvind Sankar
2020-11-13 15:39 ` Vitaly Kuznetsov
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