linux-kernel - RE: [PATCH v2 1/3] hpsa: use __packed on individual structs, not header-wide

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Message-ID: <SN6PR11MB28482BFEF29365BEF742F146E14D9@SN6PR11MB2848.namprd11.prod.outlook.com>
Date:   Thu, 15 Apr 2021 18:41:30 +0000
From:   <Don.Brace@...rochip.com>
To:     <martin.petersen@...cle.com>, <Scott.Teel@...rochip.com>,
        <jszczype@...hat.com>, <storagedev@...rochip.com>,
        <slyfox@...too.org>, <glaubitz@...sik.fu-berlin.de>,
        <arnd@...nel.org>, <Scott.Benesh@...rochip.com>,
        <thenzl@...hat.com>, <linux-ia64@...r.kernel.org>,
        <linux-scsi@...r.kernel.org>
CC:     <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v2 1/3] hpsa: use __packed on individual structs, not
 header-wide

-----Original Message-----
From: Martin K. Petersen Subject: Re: [PATCH v2 1/3] hpsa: use __packed on individual structs, not header-wide

> Some of the structs contain `atomic_t` values and are not intended to 
> be sent to IO controller as is.
>
> The change adds __packed to every struct and union in the file.
> Follow-up commits will fix `atomic_t` problems.
>
> The commit is a no-op at least on ia64:
>     $ diff -u <(objdump -d -r old.o) <(objdump -d -r new.o)

Applied to 5.12/scsi-fixes, thanks!

Don: Thank-you for all of your efforts. I appreciate to work that you have done on these patches.

Thanks,
Don Brace

[1/3] hpsa: use __packed on individual structs, not header-wide
      https://git.kernel.org/mkp/scsi/c/5482a9a1a8fd
[2/3] hpsa: fix boot on ia64 (atomic_t alignment)
      https://git.kernel.org/mkp/scsi/c/02ec144292bc
[3/3] hpsa: add an assert to prevent from __packed reintroduction
      https://git.kernel.org/mkp/scsi/c/e01a00ff62ad

--
Martin K. Petersen      Oracle Linux Engineering