Re: module loading issue/flaw in busy memory situation?

2012-05-25 Thread Steffen Rumler
Hi, The basic question is, has the GPR r11 a dedicated function (to point to the previous stack frame) or is it still a volatile GPR, according to EABI definition ? In the case of a dedicated function was assigned, the trampoline code generation in arch/powerpc/kernel/module_32.c must be

pread() and pwrite() system calls

2012-05-25 Thread David Laight
We have a system with linux 2.6.32 and the somewhat archaic uClibc 0.9.27 (but I'm not sure the current version is any better, and I think there are binary compatibility if we update). I've just discovered that pread() is 'implemented' by using 3 lseek() system calls and read(). (the same is true

Re: pread() and pwrite() system calls

2012-05-25 Thread Gabriel Paubert
On Fri, May 25, 2012 at 02:29:06PM +0100, David Laight wrote: We have a system with linux 2.6.32 and the somewhat archaic uClibc 0.9.27 (but I'm not sure the current version is any better, and I think there are binary compatibility if we update). I've just discovered that pread() is

Re: [PATCH] gianfar:don't add FCB length to hard_header_len

2012-05-25 Thread Paul Gortmaker
[Re: [PATCH] gianfar:don't add FCB length to hard_header_len] On 24/05/2012 (Thu 09:16) Joe Perches wrote: On Thu, 2012-05-24 at 17:04 +0200, Jan Ceuleers wrote: On 05/22/2012 09:18 PM, David Miller wrote: From: Jiajun Wu b06...@freescale.com Date: Tue, 22 May 2012 17:00:48 +0800

Re: Oops with Radeon/Uninorth on Maple

2012-05-25 Thread Alex Deucher
On Thu, May 24, 2012 at 2:18 AM, Dmitry Eremin-Solenikov dmitry_ere...@mentor.com wrote: Hello, colleagues, I'm trying to enable an AGP slot (again) on my Maple board (dual PPC970FX board, with CPC925 (U3H) north bridge).  For now I'm stuck with a problem: I use radeon card, drm-radeon

Re: [PATCH] gianfar:don't add FCB length to hard_header_len

2012-05-25 Thread Joe Perches
On Fri, 2012-05-25 at 11:58 -0400, Paul Gortmaker wrote: But you really shouldn't need the hardware to validate this kind of patch anyways -- aside from your code flow change in the irq routine of gianfar_ptp, you should have been simply able to check for object file equivalence before and

Re: [PATCH] gianfar:don't add FCB length to hard_header_len

2012-05-25 Thread Paul Gortmaker
On 12-05-25 03:51 PM, Joe Perches wrote: On Fri, 2012-05-25 at 11:58 -0400, Paul Gortmaker wrote: But you really shouldn't need the hardware to validate this kind of patch anyways -- aside from your code flow change in the irq routine of gianfar_ptp, you should have been simply able to check

Re: [git pull] signals, the first series

2012-05-25 Thread Al Viro
On Wed, May 23, 2012 at 03:14:05PM +1000, Stephen Rothwell wrote: OK, it seem that most of this has been in Andrew's tree for a while, sorry about that. Grr... *Another* missing prereq for task_work_add() series, this time on ppc64. Could somebody familiar with that beast take a look at this