Re: [PATCH] video: fbdev: use memset_io() instead of memset()

2021-10-11 Thread Michael Ellerman
On Wed, 15 Sep 2021 15:34:35 +0200, Christophe Leroy wrote: > While investigating a lockup at startup on Powerbook 3400C, it was > identified that the fbdev driver generates alignment exception at > startup: > > --- interrupt: 600 at memset+0x60/0xc0 > NIP: c0021414 LR: c03fc49c CTR:

Re: [PATCH] video: fbdev: use memset_io() instead of memset()

2021-10-07 Thread Michael Ellerman
Christophe Leroy writes: > While investigating a lockup at startup on Powerbook 3400C, it was > identified that the fbdev driver generates alignment exception at > startup: ... > > Use fb_memset() instead of memset(). fb_memset() is defined as > memset_io() for powerpc. > > Fixes: 8c8709334cec ("[

[PATCH] video: fbdev: use memset_io() instead of memset()

2021-09-15 Thread Christophe Leroy
While investigating a lockup at startup on Powerbook 3400C, it was identified that the fbdev driver generates alignment exception at startup: --- interrupt: 600 at memset+0x60/0xc0 NIP: c0021414 LR: c03fc49c CTR: 7fff REGS: ca021c10 TRAP: 0600 Tainted: GW