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re: Unaligned access in kernel on ARMv6+ (Re: CVS commit: src/sys/dev/usb)

To: Rin Okuyama <rokuyama%rk.phys.keio.ac.jp@localhost>
Subject: re: Unaligned access in kernel on ARMv6+ (Re: CVS commit: src/sys/dev/usb)
From: matthew green <mrg%eterna.com.au@localhost>
Date: Sun, 06 Jan 2019 21:04:14 +1100

> In short, this is because -munaligned-access is enabled on ARMv6+ by
> default for GCC. As the unaligned memory access is forbidden in the
> supervisor mode unlike in the user mode, we need to explicitly specify
> -mno-unaligned-access for kernel on ARMv6+.

i think this seems like the right thing to do here.

othewise we'd have to patch this all over..


.mrg.

Follow-Ups:
- Re: Unaligned access in kernel on ARMv6+ (Re: CVS commit: src/sys/dev/usb)
  - From: Greg Troxel

References:
- Unaligned access in kernel on ARMv6+ (Re: CVS commit: src/sys/dev/usb)
  - From: Rin Okuyama

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