i386 optimization of the immediate values which uses a movl with code patching
to set/unset the value used to populate the register used as variable source.
Changelog:
- Use text_poke_early with cr0 WP save/restore to patch the bypass. We are doing
non atomic writes to a code region only touched
i386 optimization of the immediate values which uses a movl with code patching
to set/unset the value used to populate the register used as variable source.
Signed-off-by: Mathieu Desnoyers <[EMAIL PROTECTED]>
Reviewed-by: Andi Kleen <[EMAIL PROTECTED]>
Reviewed-by: "H. Peter Anvin" <[EMAIL PROTEC
i386 optimization of the immediate values which uses a movl with code patching
to set/unset the value used to populate the register used as variable source.
Signed-off-by: Mathieu Desnoyers <[EMAIL PROTECTED]>
CC: Christoph Hellwig <[EMAIL PROTECTED]>
---
arch/i386/kernel/Makefile|1
arc
i386 optimization of the immediate values which uses a movl with code patching
to set/unset the value used to populate the register used as variable source.
Signed-off-by: Mathieu Desnoyers <[EMAIL PROTECTED]>
CC: Christoph Hellwig <[EMAIL PROTECTED]>
---
arch/i386/kernel/Makefile|1
arc
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