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05 April 2024, 19:05:47 UTC
Revision 92a0f81d89571e3e8759366e050ee05cc545ef99 authored by Thomas Gleixner on 20 December 2017, 17:51:31 UTC, committed by Ingo Molnar on 22 December 2017, 19:13:05 UTC 
x86/cpu_entry_area: Move it out of the fixmap
 
Put the cpu_entry_area into a separate P4D entry. The fixmap gets too big
and 0-day already hit a case where the fixmap PTEs were cleared by
cleanup_highmap().

Aside of that the fixmap API is a pain as it's all backwards.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Juergen Gross <jgross@suse.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
1 parent ed1bbc4
History
Tip revision: 92a0f81d89571e3e8759366e050ee05cc545ef99 authored by Thomas Gleixner on 20 December 2017, 17:51:31 UTC
x86/cpu_entry_area: Move it out of the fixmap
Tip revision: 92a0f81
File Mode Size
Documentation
arch
block
certs
crypto
drivers
firmware
fs
include
init
ipc
kernel
lib
mm
net
samples
scripts
security
sound
tools
usr
virt
.cocciconfig -rw-r--r-- 59 bytes
.get_maintainer.ignore -rw-r--r-- 31 bytes
.gitattributes -rw-r--r-- 30 bytes
.gitignore -rw-r--r-- 1.3 KB
.mailmap -rw-r--r-- 8.7 KB
COPYING -rw-r--r-- 18.3 KB
CREDITS -rw-r--r-- 96.2 KB
Kbuild -rw-r--r-- 2.2 KB
Kconfig -rw-r--r-- 287 bytes
MAINTAINERS -rw-r--r-- 420.4 KB
Makefile -rw-r--r-- 58.4 KB
README -rw-r--r-- 722 bytes

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