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From: 'Dominique MARTINET' <dominique.martinet@atmark-techno.com>
To: Chanho Park <chanho61.park@samsung.com>
Cc: "'Jianxiong Gao'" <jxgao@google.com>,
	"'Christoph Hellwig'" <hch@lst.de>,
	"'Konrad Rzeszutek Wilk'" <konrad@darnok.org>,
	"'Konrad Rzeszutek Wilk'" <konrad.wilk@oracle.com>,
	"'Linus Torvalds'" <torvalds@linux-foundation.org>,
	"'Horia Geantă'" <horia.geanta@nxp.com>,
	linux-kernel@vger.kernel.org,
	"'Lukas Hartmann'" <lukas@mntmn.com>,
	"'Aymen Sghaier'" <aymen.sghaier@nxp.com>,
	"'Herbert Xu'" <herbert@gondor.apana.org.au>,
	"'David S. Miller'" <davem@davemloft.net>,
	linux-crypto@vger.kernel.org, iommu@lists.linux-foundation.org,
	"'Marc Orr'" <marcorr@google.com>,
	"'Erdem Aktas'" <erdemaktas@google.com>,
	"'Peter Gonda'" <pgonda@google.com>,
	"'Bumyong Lee'" <bumyong.lee@samsung.com>
Subject: Re: swiotlb/caamjr regression (Was: [GIT PULL] (swiotlb) stable/for-linus-5.12)
Date: Mon, 21 Jun 2021 13:14:48 +0900	[thread overview]
Message-ID: <YNASOEGsDxhFC8qJ@atmark-techno.com> (raw)
In-Reply-To: <2038148563.21624247281621.JavaMail.epsvc@epcpadp4>

Chanho Park wrote on Mon, Jun 21, 2021 at 11:55:22AM +0900:
> Sure. No problem. But, the patch was already stacked on Konrad's tree
> and linux-next as well.
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb.git/commit/?h=devel/for-linus-5.14&id=33d1641f38f0c327bc3e5c21de585c77a6512bc6 

That patch is slightly different, it's a rewrite Konrad did that mixes
in Linus' suggestion[1], which breaks things for the NVMe usecase
Jianxiong Gao has.

[1] offset = (tlb_addr - mem->start) & (IO_TLB_SIZE - 1)


Konrad is aware so I think it shouldn't be submitted :)

-- 
Dominique

WARNING: multiple messages have this Message-ID (diff)
From: 'Dominique MARTINET' <dominique.martinet@atmark-techno.com>
To: Chanho Park <chanho61.park@samsung.com>
Cc: "'Aymen Sghaier'" <aymen.sghaier@nxp.com>,
	"'Herbert Xu'" <herbert@gondor.apana.org.au>,
	"'Horia Geantă'" <horia.geanta@nxp.com>,
	"'Konrad Rzeszutek Wilk'" <konrad.wilk@oracle.com>,
	"'Marc Orr'" <marcorr@google.com>,
	"'Lukas Hartmann'" <lukas@mntmn.com>,
	linux-kernel@vger.kernel.org,
	"'David S. Miller'" <davem@davemloft.net>,
	iommu@lists.linux-foundation.org, linux-crypto@vger.kernel.org,
	"'Peter Gonda'" <pgonda@google.com>,
	"'Konrad Rzeszutek Wilk'" <konrad@darnok.org>,
	"'Bumyong Lee'" <bumyong.lee@samsung.com>,
	"'Linus Torvalds'" <torvalds@linux-foundation.org>,
	"'Christoph Hellwig'" <hch@lst.de>,
	"'Jianxiong Gao'" <jxgao@google.com>
Subject: Re: swiotlb/caamjr regression (Was: [GIT PULL] (swiotlb) stable/for-linus-5.12)
Date: Mon, 21 Jun 2021 13:14:48 +0900	[thread overview]
Message-ID: <YNASOEGsDxhFC8qJ@atmark-techno.com> (raw)
In-Reply-To: <2038148563.21624247281621.JavaMail.epsvc@epcpadp4>

Chanho Park wrote on Mon, Jun 21, 2021 at 11:55:22AM +0900:
> Sure. No problem. But, the patch was already stacked on Konrad's tree
> and linux-next as well.
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb.git/commit/?h=devel/for-linus-5.14&id=33d1641f38f0c327bc3e5c21de585c77a6512bc6 

That patch is slightly different, it's a rewrite Konrad did that mixes
in Linus' suggestion[1], which breaks things for the NVMe usecase
Jianxiong Gao has.

[1] offset = (tlb_addr - mem->start) & (IO_TLB_SIZE - 1)


Konrad is aware so I think it shouldn't be submitted :)

-- 
Dominique
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu

  reply	other threads:[~2021-06-21  4:15 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-26 16:00 [GIT PULL] (swiotlb) stable/for-linus-5.12 Konrad Rzeszutek Wilk
2021-02-26 22:24 ` pr-tracker-bot
2021-06-08  2:35 ` swiotlb/caamjr regression (Was: [GIT PULL] (swiotlb) stable/for-linus-5.12) Dominique MARTINET
2021-06-10 14:52   ` Horia Geantă
2021-06-10 14:52     ` Horia Geantă
2021-06-10 19:41     ` Linus Torvalds
2021-06-10 19:41       ` Linus Torvalds
2021-06-10 23:20       ` Horia Geantă
2021-06-10 23:20         ` Horia Geantă
2021-06-11  6:21     ` Christoph Hellwig
2021-06-11  6:21       ` Christoph Hellwig
2021-06-11 10:34       ` Konrad Rzeszutek Wilk
2021-06-11 10:34         ` Konrad Rzeszutek Wilk
2021-06-11 10:59         ` Horia Geantă
2021-06-11 10:59           ` Horia Geantă
2021-06-11 16:21         ` Linus Torvalds
2021-06-11 16:21           ` Linus Torvalds
2021-06-16 20:49         ` Jianxiong Gao
2021-06-16 20:49           ` Jianxiong Gao via iommu
2021-06-17  0:27           ` Konrad Rzeszutek Wilk
2021-06-17  0:27             ` Konrad Rzeszutek Wilk
2021-06-17  0:39             ` Dominique MARTINET
2021-06-17  0:39               ` Dominique MARTINET
2021-06-17  5:12               ` Christoph Hellwig
2021-06-17  5:12                 ` Christoph Hellwig
2021-06-17  5:36                 ` Dominique MARTINET
2021-06-17  5:36                   ` Dominique MARTINET
2021-06-18 18:01                   ` Jianxiong Gao
2021-06-18 18:01                     ` Jianxiong Gao via iommu
2021-06-21  2:03                     ` Dominique MARTINET
2021-06-21  2:03                       ` Dominique MARTINET
2021-06-21  2:55                       ` Chanho Park
2021-06-21  2:55                         ` Chanho Park
2021-06-21  4:14                         ` 'Dominique MARTINET' [this message]
2021-06-21  4:14                           ` 'Dominique MARTINET'
2021-06-21 13:16                           ` Konrad Rzeszutek Wilk
2021-06-21 13:16                             ` Konrad Rzeszutek Wilk
2021-06-22  7:48                             ` 'Dominique MARTINET'
2021-06-22  7:48                               ` 'Dominique MARTINET'
2021-06-22 21:58                               ` Konrad Rzeszutek Wilk
2021-06-22 21:58                                 ` Konrad Rzeszutek Wilk
2021-06-22 23:04                                 ` 'Dominique MARTINET'
2021-06-22 23:04                                   ` 'Dominique MARTINET'
2021-06-17 11:33             ` Christoph Hellwig
2021-06-17 11:33               ` Christoph Hellwig
2021-06-11 16:01       ` Linus Torvalds
2021-06-11 16:01         ` Linus Torvalds

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