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Re: Unaligned access in kernel on ARMv6+ (Re: CVS commit: src/sys/dev/usb)
On 06/01/2019 15:31, Christos Zoulas wrote:
On Jan 6, 9:53am, nick.hudson%gmx.co.uk@localhost (Nick Hudson) wrote:
-- Subject: Re: Unaligned access in kernel on ARMv6+ (Re: CVS commit: src/sys
| I'm pretty sure this is the same as http://gnats.netbsd.org/50038
Yes, this looks like the same issue; we should not be patching individual
drivers like this. The compiler should be producing correct code that handles
| Maybe I should be brave enough to stop using PMAP_NOCACHE in bus_dma.c
| for armv6+ and fix any missing bus_dmamap_sync calls.
Isn't that orthogonal?
Nope, because normal cached memory allows unaligned access (kernel and
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