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  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]
Date:	Fri, 7 Dec 2007 12:12:15 +0100
From:	Ingo Molnar <>
To:	Andrew Morton <>
Cc:	Stefano Brivio <>,
	Robert Love <>,,
	Dave Jones <>,
	"Rafael J. Wysocki" <>, Michael Buesch <>,
	Thomas Gleixner <>,
	Len Brown <>
Subject: Re: [PATCH] scheduler: fix x86 regression in native_sched_clock

* Andrew Morton <> wrote:

> > > A bit risky - it's quite an expansion of code which no longer can 
> > > call printk.
> > > 
> > > You might want to take that WARN_ON out of __update_rq_clock() ;)
> > 
> > hm, dont we already detect printk recursions and turn them into a 
> > silent return instead of a hang/crash?
> We'll pop the locks and will proceed to do the nested printk.  So 
> __update_rq_clock() will need rather a lot of stack ;)

yeah. That behavior of printk is rather fragile. I think my previous 
patch should handle all such incidents.

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

Powered by blists - more mailing lists