Re: [PATCH 4/5] x86 idle floppy: delete disable_hlt()/enable_hlt()

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Len Brown <lenb@xxxxxxxxxx> writes:
>
> floppy.c said:
>
> "disable hlt during certain critical i/o operations"
>
> x86/kernel/process.c said:
>
> "This halt magic was a workaround for ancient floppy DMA
>  wreckage. It should be safe to remove."

AFAIK it was used on some 386/486s. I suspect it's safe to remove now.

-Andi


-- 
ak@xxxxxxxxxxxxxxx -- Speaking for myself only
_______________________________________________
linux-pm mailing list
linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx
https://lists.linux-foundation.org/mailman/listinfo/linux-pm


[Index of Archives]     [Linux ACPI]     [Netdev]     [Ethernet Bridging]     [Linux Wireless]     [CPU Freq]     [Kernel Newbies]     [Fedora Kernel]     [Security]     [Linux for Hams]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Linux Admin]     [Samba]

  Powered by Linux