Re: [PATCH 09/10] drm/etnaviv: validate readback register address

2017-01-30 Thread Russell King - ARM Linux
On Mon, Jan 30, 2017 at 11:58:32AM +0100, Lucas Stach wrote: > Am Freitag, den 09.12.2016, 12:21 +0100 schrieb Christian Gmeiner: > > Reading some registers end in a system crash ala: > > > > Unhandled fault: external abort on non-linefetch (0x1028) at 0xfe641000 > > Internal error: : 1028 [#1

Re: [PATCH 09/10] drm/etnaviv: validate readback register address

2017-01-30 Thread Lucas Stach
Am Freitag, den 09.12.2016, 12:21 +0100 schrieb Christian Gmeiner: > Reading some registers end in a system crash ala: > > Unhandled fault: external abort on non-linefetch (0x1028) at 0xfe641000 > Internal error: : 1028 [#1] PREEMPT ARM > > Avoid those by register validation. Avoiding crashe

[PATCH 09/10] drm/etnaviv: validate readback register address

2016-12-09 Thread Christian Gmeiner
Reading some registers end in a system crash ala: Unhandled fault: external abort on non-linefetch (0x1028) at 0xfe641000 Internal error: : 1028 [#1] PREEMPT ARM Avoid those by register validation. Signed-off-by: Christian Gmeiner --- drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c | 26 +