https://github.com/torvalds/linux
Revision b6734c35af028f06772c0b2c836c7d579e6d4dad authored by H. Peter Anvin on 19 August 2008, 00:39:32 UTC, committed by H. Peter Anvin on 05 September 2008, 23:13:52 UTC
The long noops ("NOPL") are supposed to be detected by family >= 6.
Unfortunately, several non-Intel x86 implementations, both hardware
and software, don't obey this dictum.  Instead, probe for NOPL
directly by executing a NOPL instruction and see if we get #UD.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
1 parent b74b06c
History
Tip revision: b6734c35af028f06772c0b2c836c7d579e6d4dad authored by H. Peter Anvin on 19 August 2008, 00:39:32 UTC
x86: add NOPL as a synthetic CPU feature bit
Tip revision: b6734c3
File Mode Size
.gitignore -rw-r--r-- 102 bytes
Kconfig -rw-r--r-- 1.6 KB
Makefile -rw-r--r-- 1.8 KB
gen_init_cpio.c -rw-r--r-- 11.4 KB
initramfs_data.S -rw-r--r-- 1.0 KB

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