From: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
To: Imre Kaloz <kaloz@kernel.org>
Cc: linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 4/4] MIPS: sgi-ip32: Fence PIO reads on CRIME 1.1
Date: Thu, 5 Nov 2026 16:43:32 +0100 [thread overview]
Message-ID: <auykJBSzKheGmuwv@alpha.franken.de> (raw)
In-Reply-To: <20261021192418.7246-5-kaloz@kernel.org>
On Wed, Oct 21, 2026 at 09:24:18PM +0200, Imre Kaloz wrote:
> On CRIME 1.1, a MACE or PCI read within about 2us of a read of some PCI
> registers (aic7880 HCNTRL, INTSTAT, ERROR) can return that read's data.
this reads strange, can you clarify what is happening ?
Thomas.
--
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea. [ RFC1925, 2.3 ]
next prev parent reply other threads:[~2026-11-05 15:45 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-21 19:24 [PATCH 0/4] MIPS: sgi-ip32: CRIME 1.1 and MACE PCI fixes Imre Kaloz
2026-10-21 19:24 ` [PATCH 1/4] MIPS: sgi-ip32: Mask MACE PCI interrupts in CRIME only Imre Kaloz
2026-11-05 15:25 ` Thomas Bogendoerfer
2026-10-21 19:24 ` [PATCH 2/4] MIPS: sgi-ip32: Leave MACE PCI control alone in config accesses Imre Kaloz
2026-11-05 15:26 ` Thomas Bogendoerfer
2026-10-21 19:24 ` [PATCH 3/4] MIPS: sgi-ip32: Report the real CRIME revision Imre Kaloz
2026-11-05 15:26 ` Thomas Bogendoerfer
2026-10-21 19:24 ` [PATCH 4/4] MIPS: sgi-ip32: Fence PIO reads on CRIME 1.1 Imre Kaloz
2026-11-05 15:43 ` Thomas Bogendoerfer [this message]
2026-11-05 19:40 ` Imre Kaloz
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