Messages in this thread | | | Date | Fri, 25 Sep 2015 13:25:49 -0700 | Subject | Re: [PATCH V4 1/2] ACPI / EC: Fix broken 64bit big-endian users of 'global_lock' | From | Viresh Kumar <> |
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On 25 September 2015 at 13:33, Rafael J. Wysocki <rjw@rjwysocki.net> wrote: > You're going to change that into bool in the next patch, right?
Yeah.
> So what if bool is a byte and the field is not word-aligned
Its between two 'unsigned long' variables today, and the struct isn't packed. So, it will be aligned, isn't it?
> and changing > that byte requires a read-modify-write. How do we ensure that things remain > consistent in that case?
I didn't understood why a read-modify-write is special here? That's what will happen to most of the non-word-sized fields anyway?
Probably I didn't understood what you meant..
-- viresh
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