x86/entry: Rename ignore_sysret()

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The SYSCALL instruction cannot really be disabled in compatibility mode.
The best that can be done is to configure the CSTAR msr to point to a
minimal handler. Currently this handler has a rather misleading name -
ignore_sysret() as it's not really doing anything with sysret.

Give it a more descriptive name.

Signed-off-by: Nikolay Borisov <nik.borisov@suse.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20230623111409.3047467-3-nik.borisov@suse.com

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Nikolay Borisov 2023-06-23 14:14:05 +03:00 • committed by Thomas Gleixner

parent 1da5c9bc11

commit f71e1d2ff8

3 changed files with 4 additions and 4 deletions

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4

arch/x86/entry/entry_64.S

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2

arch/x86/include/asm/processor.h

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2

arch/x86/kernel/cpu/common.c

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