linux-kernel - Re: [PATCH] kvm: Fix build warnings

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: <4DE4A4E7.80503@redhat.com>
Date:	Tue, 31 May 2011 11:20:55 +0300
From:	Avi Kivity <avi@...hat.com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Borislav Petkov <bp@...en8.de>,
	Marcelo Tosatti <mtosatti@...hat.com>, kvm@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>,
	Takuya Yoshikawa <yoshikawa.takuya@....ntt.co.jp>
Subject: Re: [PATCH] kvm: Fix build warnings

On 05/31/2011 10:38 AM, Ingo Molnar wrote:
> * Borislav Petkov<bp@...en8.de>  wrote:
>
> >  +++ b/arch/x86/kvm/paging_tmpl.h
> >  @@ -121,7 +121,7 @@ static int FNAME(walk_addr_generic)(struct guest_walker *walker,
> >   				gva_t addr, u32 access)
> >   {
> >   	pt_element_t pte;
> >  -	pt_element_t __user *ptep_user;
> >  +	pt_element_t __user *uninitialized_var(ptep_user);
>
> Note that doing this is actually actively dangerous for two reasons.
>
>

<snip lots of good advice>

> Please fix it instead.

s/instead/in addition/; while all those changes are good, they are much 
too large for 3.0.  Let's push the simple fix for 3.0 and queue the 
bigger refactoring to 3.1.

-- 
error compiling committee.c: too many arguments to function

--
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/