linux-kernel - Re: [RFC][PATCH] kmap_atomic

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: <1255041720.17055.30.camel@laptop>
Date:	Fri, 09 Oct 2009 00:42:00 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"hugh.dickins" <hugh.dickins@...cali.co.uk>,
	David Howells <dhowells@...hat.com>,
	lkml <linux-kernel@...r.kernel.org>,
	linux-arch <linux-arch@...r.kernel.org>,
	jim owens <jowens@...com>, David Howells <dhowells@...hat.com>
Subject: Re: [RFC][PATCH] kmap_atomic_push


Just to make it clear, the stack design gets rid of crap like:

-#define __KM_PTE                       \
-       (in_nmi() ? KM_NMI_PTE :        \
-        in_irq() ? KM_IRQ_PTE :        \
-        KM_PTE0)

and

-static inline enum km_type crypto_kmap_type(int out)
-{
-       enum km_type type;
-
-       if (in_softirq())
-               type = out * (KM_SOFTIRQ1 - KM_SOFTIRQ0) + KM_SOFTIRQ0;
-       else
-               type = out * (KM_USER1 - KM_USER0) + KM_USER0;
-
-       return type;
-}



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