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From: Greg KH <gregkh@linuxfoundation.org>
To: Mingyu Wang <25181214217@stu.xidian.edu.cn>
Cc: arnd@arndb.de, kees@kernel.org, linux-kernel@vger.kernel.org,
	stable@vger.kernel.org
Subject: Re: [PATCH v8 1/2] misc: ibmasm: Fix static out-of-bounds MMIO access during probe
Date: Sat, 1 Aug 2026 08:52:40 +0200	[thread overview]
Message-ID: <2026080153-unthread-quake-ce1f@gregkh> (raw)
In-Reply-To: <4b8fc5e2-8965-47a0-8be8-b12337398fe6@stu.xidian.edu.cn>

On Sat, Aug 01, 2026 at 10:58:56AM +0800, Mingyu Wang wrote:
> Hi Greg,
> 
> 
> > I do not know.  Do some research into when the hardware was made, what
> > it runs on, and try to determine if it really is even used anymore by
> > anyone.  If not, then yes, let's drop it!
> 
> Thanks for the guidance! I did the research on the IBM RSA hardware,
> and it indeed seems to belong in a museum.
> 
> Here is what I found regarding its lifecycle:
> 1. The IBM Remote Supervisor Adapter (RSA) and RSA II were early 2000s
>    management PCI/ISA cards for ancient IBM eServer xSeries machines.
> 2. IBM deprecated the RSA family and replaced it with IMM around 2008.

So if it was last shipped in 2008, I think we can properly remove it.
Care to submit a patch to do so?  If someone shows up with the hardware,
we can easily revert the removal.

thanks,

greg k-h

  reply	other threads:[~2026-08-01  6:54 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-18  7:32 [PATCH v8 0/2] misc: ibmasm: Fix out-of-bounds MMIO accesses Mingyu Wang
2026-07-18  7:32 ` [PATCH v8 1/2] misc: ibmasm: Fix static out-of-bounds MMIO access during probe Mingyu Wang
2026-07-31 11:18   ` Greg KH
2026-07-31 13:57     ` Mingyu Wang
2026-07-31 14:17       ` Greg KH
2026-08-01  2:58         ` Mingyu Wang
2026-08-01  6:52           ` Greg KH [this message]
2026-08-01  7:07             ` [PATCH] misc: ibmasm: Remove obsolete IBM Remote Supervisor Adapter driver Mingyu Wang
2026-08-01  9:23               ` Arnd Bergmann
2026-07-18  7:32 ` [PATCH v8 2/2] misc: ibmasm: Fix dynamic out-of-bounds MMIO access via malicious MFA Mingyu Wang
2026-07-31 11:18   ` Greg KH
2026-07-31 13:58     ` Mingyu Wang

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