Re: [PATCH v8 0/5] arm64: ftrace with regs

2019-10-21 Thread Josh Poimboeuf
On Sat, Oct 19, 2019 at 01:01:35PM +0200, Torsten Duwe wrote: > All calls going _out_ from the KLP module are newly generated, as part > of the KLP module building process, and are thus aware of them being > "extern" -- a PLT entry should be generated and accounted for in the > KLP module. Hm... f

Re: [PATCH v8 0/5] arm64: ftrace with regs

2019-10-21 Thread Mark Rutland
On Sat, Oct 19, 2019 at 01:01:35PM +0200, Torsten Duwe wrote: > Hi Mark! Hi Torsten! > On Fri, 18 Oct 2019 18:41:02 +0100 Mark Rutland > wrote: > > > In the process of reworking this I spotted some issues that will get > > in the way of livepatching. Notably: > > > > * When modules can be loa

Re: [PATCH v8 0/5] arm64: ftrace with regs

2019-10-19 Thread Torsten Duwe
Hi Mark! On Fri, 18 Oct 2019 18:41:02 +0100 Mark Rutland wrote: > In the process of reworking this I spotted some issues that will get > in the way of livepatching. Notably: > > * When modules can be loaded far away from the kernel, we'll > potentially need a PLT for each function within a modu

Re: [PATCH v8 0/5] arm64: ftrace with regs

2019-10-18 Thread Mark Rutland
On Wed, Oct 16, 2019 at 06:58:42PM +0100, Mark Rutland wrote: > I've just done the core (non-arm64) bits today, and pushed that out: > > > https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git/log/?h=arm64/ftrace-with-regs > > ... I'll fold the remainging bits of patches 4 and 5 toget

Re: [PATCH v8 0/5] arm64: ftrace with regs

2019-10-16 Thread Mark Rutland
On Wed, Oct 16, 2019 at 01:42:59PM +0200, Jiri Kosina wrote: > On Wed, 24 Jul 2019, Mark Rutland wrote: > > > > > > > So what's the status now? Besides debatable minor style > > > > > > issues there were no more objections to v8. Would this > > > > > > go through the ARM repo or via the ftrace rep

Re: [PATCH v8 0/5] arm64: ftrace with regs

2019-10-16 Thread Jiri Kosina
On Wed, 24 Jul 2019, Mark Rutland wrote: > > > > > So what's the status now? Besides debatable minor style > > > > > issues there were no more objections to v8. Would this > > > > > go through the ARM repo or via the ftrace repo? > > > > > > > > Sorry agains for the delay on this. I'm now back in

Re: [PATCH v8 0/5] arm64: ftrace with regs

2019-07-24 Thread Mark Rutland
Hi Ruslan, On Wed, Jul 10, 2019 at 03:27:58PM +0300, Ruslan Bilovol wrote: > On Tue, Apr 9, 2019 at 8:52 PM Will Deacon wrote: > > > > On Mon, Apr 08, 2019 at 04:36:28PM +0100, Mark Rutland wrote: > > > On Mon, Mar 11, 2019 at 12:49:46PM +0100, Torsten Duwe wrote: > > > > On Wed, Feb 13, 2019 at

Re: [PATCH v8 0/5] arm64: ftrace with regs

2019-07-10 Thread Ruslan Bilovol
On Tue, Apr 9, 2019 at 8:52 PM Will Deacon wrote: > > On Mon, Apr 08, 2019 at 04:36:28PM +0100, Mark Rutland wrote: > > On Mon, Mar 11, 2019 at 12:49:46PM +0100, Torsten Duwe wrote: > > > On Wed, Feb 13, 2019 at 11:11:04AM +, Julien Thierry wrote: > > > > Hi Torsten, > > > > > > > > On 08/02/2

Re: [PATCH v8 0/5] arm64: ftrace with regs

2019-04-09 Thread Will Deacon
On Mon, Apr 08, 2019 at 04:36:28PM +0100, Mark Rutland wrote: > On Mon, Mar 11, 2019 at 12:49:46PM +0100, Torsten Duwe wrote: > > On Wed, Feb 13, 2019 at 11:11:04AM +, Julien Thierry wrote: > > > Hi Torsten, > > > > > > On 08/02/2019 15:08, Torsten Duwe wrote: > > > > Patch series v8, as discu

Re: [PATCH v8 0/5] arm64: ftrace with regs

2019-04-08 Thread Mark Rutland
On Mon, Mar 11, 2019 at 12:49:46PM +0100, Torsten Duwe wrote: > On Wed, Feb 13, 2019 at 11:11:04AM +, Julien Thierry wrote: > > Hi Torsten, > > > > On 08/02/2019 15:08, Torsten Duwe wrote: > > > Patch series v8, as discussed. > > > The whole series applies cleanly on 5.0-rc5 > > So what's the

Re: [PATCH v8 0/5] arm64: ftrace with regs

2019-03-29 Thread Torsten Duwe
On Mon, Mar 11, 2019 at 12:18:05PM +, Mark Rutland wrote: > Hi Torsten, > > On Mon, Mar 11, 2019 at 12:49:46PM +0100, Torsten Duwe wrote: > > On Wed, Feb 13, 2019 at 11:11:04AM +, Julien Thierry wrote: > > > Hi Torsten, > > > > > > On 08/02/2019 15:08, Torsten Duwe wrote: > > > > Patch se

Re: [PATCH v8 0/5] arm64: ftrace with regs

2019-03-11 Thread Mark Rutland
Hi Torsten, On Mon, Mar 11, 2019 at 12:49:46PM +0100, Torsten Duwe wrote: > On Wed, Feb 13, 2019 at 11:11:04AM +, Julien Thierry wrote: > > Hi Torsten, > > > > On 08/02/2019 15:08, Torsten Duwe wrote: > > > Patch series v8, as discussed. > > > The whole series applies cleanly on 5.0-rc5 > >

Re: [PATCH v8 0/5] arm64: ftrace with regs

2019-03-11 Thread Torsten Duwe
On Wed, Feb 13, 2019 at 11:11:04AM +, Julien Thierry wrote: > Hi Torsten, > > On 08/02/2019 15:08, Torsten Duwe wrote: > > Patch series v8, as discussed. > > The whole series applies cleanly on 5.0-rc5 So what's the status now? Besides debatable minor style issues there were no more objection

Re: [PATCH v8 0/5] arm64: ftrace with regs

2019-02-13 Thread Julien Thierry
Hi Torsten, On 08/02/2019 15:08, Torsten Duwe wrote: > Patch series v8, as discussed. > The whole series applies cleanly on 5.0-rc5 > For this series: Tested-by: Julien Thierry > --- > arch/arm64/Kconfig|4 + > arch/arm64/Makefile | 10 ++ > arch/a

[PATCH v8 0/5] arm64: ftrace with regs

2019-02-08 Thread Torsten Duwe
Patch series v8, as discussed. The whole series applies cleanly on 5.0-rc5 --- arch/arm64/Kconfig|4 + arch/arm64/Makefile | 10 ++ arch/arm64/include/asm/ftrace.h | 16 arch/arm64/include/asm/module.h |3 arch/arm64/kernel/Makef