linux-kernel - Re: [PATCH] kvm: optimize ISR lookups

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 for Android: free password hash cracker in your pocket

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

Message-ID: <alpine.LFD.2.02.1205220012020.3231@ionos>
Date:	Tue, 22 May 2012 00:14:18 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	"Michael S. Tsirkin" <mst@...hat.com>
cc:	kvm@...r.kernel.org, Avi Kivity <avi@...hat.com>,
	Marcelo Tosatti <mtosatti@...hat.com>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] kvm: optimize ISR lookups

On Tue, 22 May 2012, Michael S. Tsirkin wrote:

> On Mon, May 21, 2012 at 11:04:25PM +0200, Thomas Gleixner wrote:
> > > @@ -242,6 +262,25 @@ static inline void apic_clear_irr(int vec, struct kvm_lapic *apic)
> > >  		apic->irr_pending = true;
> > >  }
> > >  
> > > +static inline void apic_set_isr(int vec, struct kvm_lapic *apic)
> > > +{
> > > +	if (!__apic_test_and_set_vector(vec, apic->regs + APIC_ISR))
> > > +		++apic->isr_count;
> > > +	ASSERT(apic->isr_count > MAX_APIC_VECTOR);
> > 
> > I'm really curious what you observed when defining DEBUG in that file.
> > 
> > Clearly you never did.
> 
> Sorry :(
> Yes clearly silly, thanks for pointing this out.

That's all you have a reply for? That's the least of the problems ....
--
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/