Re: [PATCH] x86_64: fix problems due to use of "outb" to port 80 on some AMD64x2 laptops, etc.

"David P. Reed" <[email protected]> writes:
>
> i386 family fixes (completely parallel) were not included, considering
> that such machines might involve more risk of problems on legacy machines.

They're needed because lots of people fomr some reason still boot 32bit kernels
on 64bit machines.
> +#define __OUT(s, s1, x) \

> +__OUT1(s, x) __OUT2(s, s1, "w") } \
> + __OUT1(s##_p, x) __OUT2(s, s1, "w") udelay(_IOPORT_PAUSE_DELAY); } \

With the additional call this should be completely out of line now to save 
code size. Similar for the in variant.

-Andi

--
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: [PATCH] x86_64: fix problems due to use of "outb" to port 80 on some AMD64x2 laptops, etc.
    • From: "David P. Reed" <[email protected]>

• References:
  • [PATCH] x86_64: fix problems due to use of "outb" to port 80 on some AMD64x2 laptops, etc.
    • From: "David P. Reed" <[email protected]>

• Prev by Date: Re: [PATCH 1/3] x86: clean up asm-x86/page*.h
• Next by Date: Re: [PATCH 3/3] net: wireless: bcm43xx: big_buffer_sem semaphore to mutex
• Previous by thread: Re: [PATCH] x86_64: fix problems due to use of "outb" to port 80 on some AMD64x2 laptops, etc.
• Next by thread: Re: [PATCH] x86_64: fix problems due to use of "outb" to port 80 on some AMD64x2 laptops, etc.
• 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]