Forcibly enable some MISC_ENABLE features on Intel
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- v4 Latest2 patches 1 replyIn review
- v32 patches 8 repliesSuperseded
- v22 patches 6 repliesSuperseded
Earlier versions · 1
| Version | Posted | Patches | Replies | Status |
|---|---|---|---|---|
| v1 | 2 patches | 12 replies | Superseded |
Changes in v4 from the cover letter
- Don't display CPU index (and therefore don't break !SMP build)
- Don't display "Failed to enable..." when kmemcheck is on
Patches in v4 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/2 | x86: Enable fast strings on Intel if BIOS hasn't alreadyarch/ | +23 | 1 reply | |
| 2/2 | x86: Enable monitor/mwait on Intel if BIOS hasn't alreadyarch/ | +23 | 0 replies |
Reviews trailers per patch
No Reviewed-by, Acked-by or Tested-by trailers for v4 yet.
Cover letter [PATCH v4 0/2] Forcibly enable some MISC_ENABLE features on Intel
Intel allows BIOS or the OS to enable or disable some CPU fueatures via IA32_MISC_ENABLE. I have machines that don't enable fast strings or monitor/mwait in BIOS, so do it on bootup instead.
Changes from v3:
- Don't display CPU index (and therefore don't break !SMP build)
- Don't display "Failed to enable..." when kmemcheck is on
Changes from v2:
- Don't linebreak printk messages (for ease of grepping)
- Use printk_once
- Update the "Disabled fast string operations" message
Changes from v1:
- Display FW_WARN messages.
- Don't change the kmemcheck message.
- Improve the fast string comment.
- Improve the changelogs.
Andy Lutomirski (2):
x86: Enable fast strings on Intel if BIOS hasn't already
x86: Enable monitor/mwait on Intel if BIOS hasn't already
arch/x86/kernel/cpu/intel.c | 51 ++++++++++++++++++++++++++++++++++++++---- 1 files changed, 46 insertions(+), 5 deletions(-)
Signature · 1 line
1.7.6