2001-11-19 10:42:25

by Rajiv Malik

[permalink] [raw]
Subject: tools for maintainence of LS-120/LS-240(super disk)

hi all,
linux kernel now provides support for LS-120/LS-240 through its IDE Floppy
driver.

are there any tools available for superdisk(LS-120/LS-240), like we have for
floppies as such fdutil is one ??

Regards,
rajiv.



-----Original Message-----
From: Linus Torvalds [mailto:[email protected]]
Sent: Monday, November 19, 2001 7:34 AM
To: Horst von Brand
Cc: Andrea Arcangeli; [email protected];
[email protected]
Subject: Re: VM-related Oops: 2.4.15pre1



On Sun, 18 Nov 2001, Horst von Brand wrote:
> Linus Torvalds <[email protected]> said:
> > And nope, not really. It does use plain stores to page->flags, and I
agree
> > that it is ugly, but if the page was locked before calling it, all the
> > stores will be with the PG_lock bit set - and even plain stores _are_
> > documented to be atomic on x86 (and on all other reasonable
architectures
> > too).
>
> Even unaligned stores?

Actually, even unaligned stores (which page->flags is NOT) are atomic,
even if Intel strongly discourages them (for performance reasons if no
others) and there tends to be documentation that doesn't guarantee it.

Linus