Re: This kernel requires the following features not present on the CPU... (on a VIA C7 CPU)

Simon Arlott wrote:
> 
> Is it automatic? I have CONFIG_X86_CMPXCHG=y without cx8 showing in
> cpuinfo, and it appears to work fine.
> 
> Will your changes needlessly prevent the kernel running? Would I be
> right in thinking that the kernel is successfully using cmpxchg even
> though it's considered disabled? I realise people compile kernels for
> the wrong CPU but preventing them working when it's been chosen
> correctly seems wrong.
> 

CX8 isn't cmpxchg; it's cmpxchg8b.

	-hpa
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

---

• Follow-Ups:
  • Re: This kernel requires the following features not present on the CPU... (on a VIA C7 CPU)
    • From: Simon Arlott <[email protected]>

• References:
  • This kernel requires the following features not present on the CPU... (on a VIA C7 CPU)
    • From: Claas Langbehn <[email protected]>
  • Re: This kernel requires the following features not present on the CPU... (on a VIA C7 CPU)
    • From: Simon Arlott <[email protected]>

• Prev by Date: Re: [PATCH] LogFS take three
• Next by Date: Re: dock support on thinkpad x60s for DVD/CDROM
• Previous by thread: Re: This kernel requires the following features not present on the CPU... (on a VIA C7 CPU)
• Next by thread: Re: This kernel requires the following features not present on the CPU... (on a VIA C7 CPU)
• Index(es):
  • Date
  • Thread

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]