Re: This patch triggers a bad gcc bug (was Re: [PATCH] force inlining of some byteswap operations)

From: Arnd Bergmann
Date: Mon Apr 18 2016 - 10:08:54 EST

On Monday 18 April 2016 08:39:32 Josh Poimboeuf wrote:
> I agree. So how should we work around the bug in this case? There have
> been several suggestions:
> - change wwn_to_u64() to __always_inline
> - change qla2x00_get_host_fabric_name() to skip the unnecessary call to
> wwn_to_u64()
> - revert one of the two commits:
> bc27fb68aaad ("include/uapi/linux/byteorder, swab: force inlining of some byteswap operations")
> ef3fb2422ffe ("scsi: fc: use get/put_unaligned64 for wwn access")

What about the patch to change get_unaligned_be64() that I posted?

I think we want to merge that anyway, I just don't know if that helps
with this particular problem as well.