From: Christoph Hellwig <hch@infradead.org>
To: Wang Wenhu <wenhu.wang@hotmail.com>
Cc: gregkh@linuxfoundation.org, arnd@arndb.de, hao.wu@intel.com,
trix@redhat.com, mdf@kernel.org, yilun.xu@intel.com,
bhelgaas@google.com, akpm@linux-foundation.org,
linux-fpga@vger.kernel.org, linux-pci@vger.kernel.org,
linux-mm@kvack.org, christophe.leroy@csgroup.eu,
linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
mpe@ellerman.id.au
Subject: Re: [PATCHv2 2/2] uio:powerpc:mpc85xx: l2-cache-sram uio driver implementation
Date: Tue, 14 Jun 2022 23:43:43 -0700 [thread overview]
Message-ID: <Yql/n+RuVttucWVf@infradead.org> (raw)
In-Reply-To: <SG2PR01MB29513533A1EA32DCB00D10309FAD9@SG2PR01MB2951.apcprd01.prod.exchangelabs.com>
As pointed out last time: uio is the wrong interface to expose sram,
and any kind of ioremap is the wrong way to map it.
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@infradead.org>
To: Wang Wenhu <wenhu.wang@hotmail.com>
Cc: arnd@arndb.de, gregkh@linuxfoundation.org,
linux-fpga@vger.kernel.org, linux-pci@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org, mdf@kernel.org,
trix@redhat.com, bhelgaas@google.com, akpm@linux-foundation.org,
linuxppc-dev@lists.ozlabs.org, yilun.xu@intel.com,
hao.wu@intel.com
Subject: Re: [PATCHv2 2/2] uio:powerpc:mpc85xx: l2-cache-sram uio driver implementation
Date: Tue, 14 Jun 2022 23:43:43 -0700 [thread overview]
Message-ID: <Yql/n+RuVttucWVf@infradead.org> (raw)
In-Reply-To: <SG2PR01MB29513533A1EA32DCB00D10309FAD9@SG2PR01MB2951.apcprd01.prod.exchangelabs.com>
As pointed out last time: uio is the wrong interface to expose sram,
and any kind of ioremap is the wrong way to map it.
next prev parent reply other threads:[~2022-06-15 6:46 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20220609102855.272270-1-wenhu.wang@hotmail.com>
2022-06-09 10:28 ` [PATCH 1/2] powerpc:mm: export symbol ioremap_coherent Wang Wenhu
2022-06-09 10:28 ` Wang Wenhu
2022-06-14 10:45 ` Michael Ellerman
2022-06-14 14:49 ` Christoph Hellwig
2022-06-14 14:49 ` Christoph Hellwig
2022-06-15 4:37 ` 回复: " Wenhu Wang
2022-06-09 10:28 ` [PATCH 2/2] uio:powerpc:mpc85xx: l2-cache-sram uio driver implementation Wang Wenhu
2022-06-09 10:28 ` Wang Wenhu
2022-06-09 13:17 ` Greg KH
2022-06-09 13:17 ` Greg KH
2022-06-14 6:09 ` 回复: " Wenhu Wang
2022-06-14 6:09 ` Wenhu Wang
2022-06-14 6:34 ` Greg KH
2022-06-14 6:34 ` Greg KH
2022-06-14 7:12 ` Christophe Leroy
2022-06-14 7:12 ` Christophe Leroy
2022-06-14 7:18 ` Christophe Leroy
2022-06-14 7:18 ` Christophe Leroy
2022-06-14 7:26 ` Christophe Leroy
2022-06-14 7:26 ` Christophe Leroy
2022-06-14 7:53 ` Wenhu Wang
2022-06-14 7:53 ` Wenhu Wang
2022-06-14 8:03 ` Greg KH
2022-06-14 8:03 ` Greg KH
2022-06-14 8:39 ` Wenhu Wang
2022-06-14 8:39 ` Wenhu Wang
2022-06-14 14:40 ` Wenhu Wang
2022-06-14 14:40 ` Wenhu Wang
2022-06-14 14:59 ` Christophe Leroy
2022-06-14 14:59 ` Christophe Leroy
2022-06-15 6:04 ` 回复: " Christophe Leroy
2022-06-15 6:04 ` Christophe Leroy
2022-06-15 5:57 ` [PATCHv2 0/2] uio:powerpc:mpc85xx: l2-cache-sram uio driver Wang Wenhu
2022-06-15 5:57 ` Wang Wenhu
[not found] ` <20220615055735.53585-1-wenhu.wang@hotmail.com>
2022-06-15 5:57 ` [PATCHv2 1/2] mm: eliminate ifdef of HAVE_IOREMAP_PROT in .c files Wang Wenhu
2022-06-15 5:57 ` Wang Wenhu
2022-06-15 6:49 ` Christoph Hellwig
2022-06-15 6:49 ` Christoph Hellwig
2022-06-22 2:22 ` kernel test robot
2022-06-22 2:22 ` kernel test robot
2022-06-22 4:13 ` kernel test robot
2022-06-22 4:13 ` kernel test robot
2022-06-15 5:57 ` [PATCHv2 2/2] uio:powerpc:mpc85xx: l2-cache-sram uio driver implementation Wang Wenhu
2022-06-15 5:57 ` Wang Wenhu
2022-06-15 6:43 ` Christoph Hellwig [this message]
2022-06-15 6:43 ` Christoph Hellwig
2022-06-15 6:48 ` Christophe Leroy
2022-06-15 6:48 ` Christophe Leroy
2022-06-15 6:49 ` Christophe Leroy
2022-06-15 6:49 ` Christophe Leroy
2022-06-14 14:51 ` [PATCH " Christoph Hellwig
2022-06-14 14:51 ` Christoph Hellwig
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