Messages in this thread | | | From | "Rafael J. Wysocki" <> | Date | Tue, 25 Jan 2022 18:43:02 +0100 | Subject | Re: [PATCH] ACPICA: Use uintptr_t and offsetof() in Linux kernel builds |
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On Wed, Jan 12, 2022 at 9:45 AM Arnd Bergmann <arnd@kernel.org> wrote: > > On Tue, Jan 11, 2022 at 4:55 PM Rafael J. Wysocki <rjw@rjwysocki.net> wrote: > > > > From: Rafael J. Wysocki <rafael.j.wysocki@intel.com> > > > > To avoid "performing pointer subtraction with a null pointer has > > undefined behavior" compiler warnings, use uintptr_t and offsetof() > > that are always available during Linux kernel builds to define > > acpi_uintptr_t and the ACPI_TO_INTEGER() and ACPI_OFFSET() macros. > > > > Based on earlier proposal from Arnd Bergmann. > > > > Link: https://lore.kernel.org/linux-acpi/20210927121338.938994-1-arnd@kernel.org > > Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> > > Thanks for the follow-up. I can't easily test this at the moment, but > it looks correct to > me. I had a different approach that I had planned to eventually > submit, but yours > looks better anyway, so let's go with this. > > Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Thank you, I've applied this patch as 5.18 material.
A pull request for the analogous change in the upstream code base has been submitted and Bob is going to take it AFAICS.
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