linux-kernel - RE: [PATCH 09/17] m68k: Implement xor_unlock_is_negative

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <e1fb697714ac408e85c4e3dc573cd7d5@AcuMS.aculab.com>
Date:   Tue, 19 Sep 2023 13:23:08 +0000
From:   David Laight <David.Laight@...LAB.COM>
To:     'Matthew Wilcox' <willy@...radead.org>,
        Greg Ungerer <gregungerer@...tnet.com.au>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
        "linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>,
        "torvalds@...ux-foundation.org" <torvalds@...ux-foundation.org>,
        "Nicholas Piggin" <npiggin@...il.com>
Subject: RE: [PATCH 09/17] m68k: Implement xor_unlock_is_negative_byte

> Well, that sucks.  What do you suggest for Coldfire?

Can you just do a 32bit xor ?
Unless you've got smp m68k I'd presume it is ok?
(And assuming you aren't falling off a page.)

	David

-
Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK
Registration No: 1397386 (Wales)