From: Helge Deller <deller@gmx.de>
To: Pavel Machek <pavel@denx.de>, Sasha Levin <sashal@kernel.org>
Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org,
John David Anglin <dave.anglin@bell.net>,
James.Bottomley@HansenPartnership.com, svens@stackframe.org,
linux-parisc@vger.kernel.org
Subject: Re: [PATCH AUTOSEL 4.4 4/9] parisc: Provide an extru_safe() macro to extract unsigned bits
Date: Sat, 4 Dec 2021 15:57:06 +0100 [thread overview]
Message-ID: <46b2abb0-ee45-88de-c920-eab37df813f2@gmx.de> (raw)
In-Reply-To: <20211204121553.GA14855@duo.ucw.cz>
On 12/4/21 13:15, Pavel Machek wrote:
> Hi!
>
>> From: Helge Deller <deller@gmx.de>
>>
>> [ Upstream commit 169d1a4a2adb2c246396c56aa2f9eec3868546f1 ]
>>
>> The extru instruction leaves the most significant 32 bits of the
>> target register in an undefined state on PA 2.0 systems.
>> Provide a macro to safely use extru on 32- and 64-bit machines.
>
> As the macro is not used by subsequent 4.4 patches,
That's basically true, but in case we backport some patches later on,
it's handy if it's already in.
> I don't believe this is suitable for -stable.
Please note that I didn't added a backport-request in my original commit.
I'm fine with any decision if it's either dropped or kept.
Helge
next prev parent reply other threads:[~2021-12-04 14:57 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-30 14:53 [PATCH AUTOSEL 4.4 1/9] xen/privcmd: make option visible in Kconfig Sasha Levin
2021-11-30 14:53 ` [PATCH AUTOSEL 4.4 2/9] NFSv4.1: handle NFS4ERR_NOSPC by CREATE_SESSION Sasha Levin
2021-11-30 14:53 ` [PATCH AUTOSEL 4.4 3/9] HID: multitouch: Fix Iiyama ProLite T1931SAW (0eef:0001 again!) Sasha Levin
2021-11-30 14:53 ` [PATCH AUTOSEL 4.4 4/9] parisc: Provide an extru_safe() macro to extract unsigned bits Sasha Levin
2021-12-04 12:15 ` Pavel Machek
2021-12-04 14:57 ` Helge Deller [this message]
2021-11-30 14:53 ` [PATCH AUTOSEL 4.4 5/9] mmc: spi: Add device-tree SPI IDs Sasha Levin
2021-11-30 14:53 ` [PATCH AUTOSEL 4.4 6/9] smb2: clarify rc initialization in smb2_reconnect Sasha Levin
2021-11-30 14:54 ` [PATCH AUTOSEL 4.4 7/9] PM: hibernate: Fix snapshot partial write lengths Sasha Levin
2021-11-30 14:54 ` [PATCH AUTOSEL 4.4 8/9] net: ptp: add a definition for the UDP port for IEEE 1588 general messages Sasha Levin
2021-12-04 12:18 ` Pavel Machek
2021-11-30 14:54 ` [PATCH AUTOSEL 4.4 9/9] fs: ntfs: Limit NTFS_RW to page sizes smaller than 64k Sasha Levin
2021-12-04 12:23 ` Pavel Machek
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