Re: [RFT] x86 acpi: normalize segment descriptor register on resume

Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]
From: Ingo Molnar
Date: Tuesday, July 1, 2008 - 12:20 am

* Rafael J. Wysocki <rjw@sisk.pl> wrote:


The fix is _really_ tempting, but i think it's 2.6.26.1 material at the 
earliest. I just counted about 8 red flag items in that commit:

  - "assembly code"
  - "fresh change"
  - "suspend/resume"
  - "real-mode code"
  - "ACPI"
  - "SMM"
  - "CPU erratas"
  - "boot code"

I'd say it's probably 90% fine, but it's just too much risk at this 
stage i think. The regression was only found 2 weeks ago, and the commit 
that broke it was upstream for 2 months (and was under testing for about 
4 months).

[ We have to try to shorten the test cycle for such problems. Hopefully 
  in v2.6.27 we'll have CONFIG_PM_TEST_SUSPEND=y :-) ]

	Ingo
--
Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]

Messages in current thread:
[RFT] x86 acpi: normalize segment descriptor register on r ..., Rafael J. Wysocki, (Mon Jun 30, 4:48 pm)
Re: [RFT] x86 acpi: normalize segment descriptor register ..., Ingo Molnar, (Tue Jul 1, 12:20 am)
Re: [RFT] x86 acpi: normalize segment descriptor register ..., Rafael J. Wysocki, (Tue Jul 1, 1:39 pm)
Re: [RFT] x86 acpi: normalize segment descriptor register ..., Rafael J. Wysocki, (Tue Jul 1, 1:50 pm)
Re: [RFT] x86 acpi: normalize segment descriptor register ..., Andy Lutomirski, (Fri Jul 11, 11:29 pm)
Re: [RFT] x86 acpi: normalize segment descriptor register ..., Rafael J. Wysocki, (Sat Jul 12, 11:51 am)
Re: [RFT] x86 acpi: normalize segment descriptor register ..., Rafael J. Wysocki, (Sat Jul 12, 1:47 pm)
Re: [RFT] x86 acpi: normalize segment descriptor register ..., Rafael J. Wysocki, (Sat Jul 12, 1:53 pm)
Re: [RFT] x86 acpi: normalize segment descriptor register ..., Rafael J. Wysocki, (Sat Jul 12, 4:33 pm)
Re: [RFT] x86 acpi: normalize segment descriptor register ..., Rafael J. Wysocki, (Sun Jul 13, 11:02 am)
Re: [RFT] x86 acpi: normalize segment descriptor register ..., Rafael J. Wysocki, (Sun Jul 13, 12:15 pm)
Re: [RFT] x86 acpi: normalize segment descriptor register ..., Rafael J. Wysocki, (Sun Jul 13, 1:29 pm)
Re: [RFT] x86 acpi: normalize segment descriptor register ..., Rafael J. Wysocki, (Sun Jul 13, 1:32 pm)
Re: [RFT] x86 acpi: normalize segment descriptor register ..., Henrique de Moraes H ..., (Sun Jul 13, 6:22 pm)
Re: [RFT] x86 acpi: normalize segment descriptor register ..., Henrique de Moraes H ..., (Mon Jul 14, 4:22 am)
Re: [RFT] x86 acpi: normalize segment descriptor register ..., Rafael J. Wysocki, (Mon Jul 14, 1:09 pm)
Re: [RFT] x86 acpi: normalize segment descriptor register ..., Rafael J. Wysocki, (Mon Jul 14, 1:10 pm)
Re: [RFT] x86 acpi: normalize segment descriptor register ..., Andrew Lutomirski, (Wed Jul 16, 7:13 am)