Re: [uml-devel] "resource: provide new functions to walk through resources" breaks UML

2014-08-11 Thread Daniel Walter
- Original Message - > From: "Vivek Goyal" > To: "Richard Weinberger" > Cc: a...@linux-foundation.org, linux-ker...@vger.kernel.org, > "user-mode-linux-devel" > , sa...@0x90.at > Sent: Monday, August 11, 2014 7:44:01 PM > Subject: Re: "resource: provide new functions to walk through reso

Re: [uml-devel] "resource: provide new functions to walk through resources" breaks UML

2014-08-11 Thread Toralf Förster
On 08/11/2014 08:44 PM, Vivek Goyal wrote: > > Hi Richard, > > Can you please give the attached patch a try and see if it fixes the UML > issue. > > I noticed that previous code had a for() loop which will not execute > if p was null. I have resorted back to same code now. > > Thanks > Vivek >

[uml-devel] spinlock recursion w/ 3.16.0-10473-gc8d6637

2014-08-11 Thread Toralf Förster
/me wonders who could/should be informed about this BUG message from a 32 bit UML guest (the "dirty" comes from reverted commit 8c86e70a) BUG: spinlock recursion on CPU#0, rngd/1231 lock: 0x86f1588, .magic: dead4ead, .owner: rngd/1231, .owner_cpu: 0 CPU: 0 PID: 1231 Comm: rngd Not tainted 3.16.

Re: [uml-devel] "resource: provide new functions to walk through resources" breaks UML

2014-08-11 Thread Richard Weinberger
Am 11.08.2014 20:44, schrieb Vivek Goyal: > On Mon, Aug 11, 2014 at 02:25:56PM +0200, Richard Weinberger wrote: >> Hi Vivek, >> >> Am 11.08.2014 14:22, schrieb Vivek Goyal: >>> On Sun, Aug 10, 2014 at 06:56:14PM +0200, Richard Weinberger wrote: Hi Vivek, Daniel Walter reported that U

Re: [uml-devel] "resource: provide new functions to walk through resources" breaks UML

2014-08-11 Thread Vivek Goyal
On Mon, Aug 11, 2014 at 02:25:56PM +0200, Richard Weinberger wrote: > Hi Vivek, > > Am 11.08.2014 14:22, schrieb Vivek Goyal: > > On Sun, Aug 10, 2014 at 06:56:14PM +0200, Richard Weinberger wrote: > >> Hi Vivek, > >> > >> Daniel Walter reported that UML is currently broken. > >> The offending com

Re: [uml-devel] [PATCH v4] arm64, ia64, ppc, s390, sh, tile, um, x86, mm: Remove default gate area

2014-08-11 Thread Michael Ellerman
On Thu, 2014-07-24 at 13:56 -0700, Andy Lutomirski wrote: > The core mm code will provide a default gate area based on > FIXADDR_USER_START and FIXADDR_USER_END if > !defined(__HAVE_ARCH_GATE_AREA) && defined(AT_SYSINFO_EHDR). > > This default is only useful for ia64. arm64, ppc, s390, sh, tile,

Re: [uml-devel] "resource: provide new functions to walk through resources" breaks UML

2014-08-11 Thread Vivek Goyal
On Sun, Aug 10, 2014 at 06:56:14PM +0200, Richard Weinberger wrote: > Hi Vivek, > > Daniel Walter reported that UML is currently broken. > The offending commit is: > Hi Richard, Thanks for pointing it out. I will look into it. Would you have link to the report Daniel sent. I am interested in

Re: [uml-devel] "resource: provide new functions to walk through resources" breaks UML

2014-08-11 Thread Richard Weinberger
Hi Vivek, Am 11.08.2014 14:22, schrieb Vivek Goyal: > On Sun, Aug 10, 2014 at 06:56:14PM +0200, Richard Weinberger wrote: >> Hi Vivek, >> >> Daniel Walter reported that UML is currently broken. >> The offending commit is: >> > > Hi Richard, > > Thanks for pointing it out. I will look into it. >