Re: Reuse framebuffer after a kexec (amdgpu / efifb)

2021-12-10 Thread Christian König
Am 10.12.21 um 16:24 schrieb Guilherme G. Piccoli: On 10/12/2021 12:13, Christian König wrote: [...] How about issuing a PCIe reset and re-initializing the ASIC with just the VBIOS? That should be pretty straightforward I think. Christian. Thanks Christian, that'd be perfect! Is it feasible

Re: Reuse framebuffer after a kexec (amdgpu / efifb)

2021-12-10 Thread Christian König
Am 10.12.21 um 15:25 schrieb Guilherme G. Piccoli: On 10/12/2021 11:16, Alex Deucher wrote:> [...] Why not just reload the driver after kexec? Alex Because the original issue is the kdump case, and we want a very very tiny kernel - also, the crash originally could have been caused by

Re: Reuse framebuffer after a kexec (amdgpu / efifb)

2021-12-09 Thread Christian König
Hi Guilherme, Am 09.12.21 um 17:00 schrieb Guilherme G. Piccoli: Hi all, I have a question about the possibility of reusing a framebuffer after a regular (or panic) kexec - my case is with amdgpu (APU, aka, not a separate GPU hardware), but I guess the question is kinda generic hence I've

Re: [RFC PATCH 13/15] mm: convert MAX_ORDER sized static arrays to dynamic ones.

2021-08-06 Thread Christian König
Am 05.08.21 um 21:58 schrieb Zi Yan: On 5 Aug 2021, at 15:16, Christian König wrote: Am 05.08.21 um 21:02 schrieb Zi Yan: From: Zi Yan This prepares for the upcoming changes to make MAX_ORDER a boot time parameter instead of compilation time constant. All static arrays with MAX_ORDER size

Re: [RFC PATCH 13/15] mm: convert MAX_ORDER sized static arrays to dynamic ones.

2021-08-05 Thread Christian König
Am 05.08.21 um 21:02 schrieb Zi Yan: From: Zi Yan This prepares for the upcoming changes to make MAX_ORDER a boot time parameter instead of compilation time constant. All static arrays with MAX_ORDER size are converted to pointers and their memory is allocated at runtime. Well in general I

Re: [PATCH 00/11] Implement generic prot_guest_has() helper function

2021-07-28 Thread Christian König
only one end user of this, but at least from the high level point of view that makes totally sense to me. Feel free to add an Acked-by: Christian König . We could run that through the AMD GPU unit tests, but I fear we actually don't test on a system with SEV/SME active. Going to raise

Re: [PATCH 0/3] drm/radeon kexec fixes

2013-09-11 Thread Christian König
Am 11.09.2013 11:01, schrieb Markus Trippelsdorf: On 2013.09.09 at 11:38 +0200, Christian König wrote: Am 09.09.2013 11:21, schrieb Markus Trippelsdorf: On 2013.09.08 at 17:32 -0700, Eric W. Biederman wrote: Markus Trippelsdorf mar...@trippelsdorf.de writes: Here are a couple of patches

Re: [PATCH 0/3] drm/radeon kexec fixes

2013-09-11 Thread Christian König
Am 11.09.2013 10:53, schrieb Markus Trippelsdorf: On 2013.09.10 at 16:40 -0400, Alex Deucher wrote: On Tue, Sep 10, 2013 at 2:27 PM, Eric W. Biederman ebied...@xmission.com wrote: Alex Deucher alexdeuc...@gmail.com writes: On Mon, Sep 9, 2013 at 5:21 AM, Markus Trippelsdorf