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From: Oleksandr Natalenko <oleksandr@natalenko.name>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: "Halil Pasic" <pasic@linux.ibm.com>,
	"Christoph Hellwig" <hch@lst.de>,
	"Marek Szyprowski" <m.szyprowski@samsung.com>,
	"Robin Murphy" <robin.murphy@arm.com>,
	"Toke Høiland-Jørgensen" <toke@toke.dk>,
	"Kalle Valo" <kvalo@kernel.org>,
	"David S. Miller" <davem@davemloft.net>,
	"Jakub Kicinski" <kuba@kernel.org>,
	"Paolo Abeni" <pabeni@redhat.com>,
	"Olha Cherevyk" <olha.cherevyk@gmail.com>,
	iommu <iommu@lists.linux-foundation.org>,
	linux-wireless <linux-wireless@vger.kernel.org>,
	Netdev <netdev@vger.kernel.org>,
	"Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>,
	"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
	stable <stable@vger.kernel.org>
Subject: Re: [REGRESSION] Recent swiotlb DMA_FROM_DEVICE fixes break ath9k-based AP
Date: Thu, 24 Mar 2022 09:55:44 +0100	[thread overview]
Message-ID: <5806580.lOV4Wx5bFT@natalenko.name> (raw)
In-Reply-To: <CAHk-=wiwz+Z2MaP44h086jeniG-OpK3c=FywLsCwXV7Crvadrg@mail.gmail.com>

Hello.

On středa 23. března 2022 18:27:21 CET Linus Torvalds wrote:
> On Wed, Mar 23, 2022 at 12:19 AM Oleksandr Natalenko
> <oleksandr@natalenko.name> wrote:
> > These commits appeared in v5.17 and v5.16.15, and both kernels are
> > broken for me. I'm pretty confident these commits make the difference
> > since I've built both v5.17 and v5.16.15 without them, and it fixed
> > the issue.
> 
> Can you double-check (or just explicitly confirm if you already did
> that test) that you need to revert *both* of those commits, and it's
> the later "rework" fix that triggers it?

I can confirm that if I revert aa6f8dcbab47 only, but leave ddbd89deb7d3 in place, AP works. So, it seems that the latest "rework" triggers the issue for me.

Thanks.

-- 
Oleksandr Natalenko (post-factum)



      parent reply	other threads:[~2022-03-24  8:55 UTC|newest]

Thread overview: 68+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-23  7:19 [REGRESSION] Recent swiotlb DMA_FROM_DEVICE fixes break ath9k-based AP Oleksandr Natalenko
2022-03-23  7:28 ` Kalle Valo
2022-03-23 17:27 ` Linus Torvalds
2022-03-23 19:06   ` Robin Murphy
2022-03-23 19:16     ` Linus Torvalds
2022-03-23 20:54       ` Robin Murphy
2022-03-24  5:57         ` Christoph Hellwig
2022-03-24 10:25           ` Oleksandr Natalenko
2022-03-24 11:05             ` Robin Murphy
2022-03-24 14:27               ` Toke Høiland-Jørgensen
2022-03-24 16:29                 ` Maxime Bizon
2022-03-24 16:31                   ` Christoph Hellwig
2022-03-24 16:52                     ` Robin Murphy
2022-03-24 17:07                       ` Toke Høiland-Jørgensen
2022-03-24 19:26                         ` Linus Torvalds
2022-03-24 21:14                           ` Toke Høiland-Jørgensen
2022-03-25 10:25                           ` Maxime Bizon
2022-03-25 11:27                             ` Robin Murphy
2022-03-25 23:38                               ` Halil Pasic
2022-03-26 16:05                                 ` Toke Høiland-Jørgensen
2022-03-26 18:38                                   ` Linus Torvalds
2022-03-26 22:38                                     ` David Laight
2022-03-26 22:41                                       ` Linus Torvalds
2022-03-25 16:25                             ` Toke Høiland-Jørgensen
2022-03-25 16:45                               ` Robin Murphy
2022-03-25 18:13                                 ` Toke Høiland-Jørgensen
2022-03-25 18:30                             ` Linus Torvalds
2022-03-25 19:14                               ` Robin Murphy
2022-03-25 19:21                                 ` Linus Torvalds
2022-03-25 19:26                               ` Oleksandr Natalenko
2022-03-25 19:27                                 ` Linus Torvalds
2022-03-25 19:35                                   ` Oleksandr Natalenko
2022-03-25 20:37                               ` Johannes Berg
2022-03-25 20:47                                 ` Linus Torvalds
2022-03-25 21:13                                   ` Johannes Berg
2022-03-25 21:40                                     ` David Laight
2022-03-25 21:56                                     ` Linus Torvalds
2022-03-25 22:41                                       ` David Laight
2022-03-27  3:15                                     ` Halil Pasic
2022-03-28  9:48                                       ` Johannes Berg
2022-03-28  9:50                                         ` Johannes Berg
2022-03-28  9:57                                           ` Johannes Berg
2022-03-27  3:48                           ` Halil Pasic
2022-03-27  5:06                             ` Linus Torvalds
2022-03-27  5:21                               ` Linus Torvalds
2022-03-27 15:24                                 ` David Laight
2022-03-27 19:23                                   ` Linus Torvalds
2022-03-27 20:04                                     ` Linus Torvalds
2022-03-27 23:52                                 ` Halil Pasic
2022-03-28  0:30                                   ` Linus Torvalds
2022-03-28 12:02                                     ` Halil Pasic
2022-03-27 23:37                               ` Halil Pasic
2022-03-28  0:37                                 ` Linus Torvalds
2022-03-25  7:12                         ` Oleksandr Natalenko
2022-03-25  9:21                           ` Thorsten Leemhuis
2022-03-24 18:31                       ` Halil Pasic
2022-03-25 16:31                         ` Christoph Hellwig
2022-03-24 18:02         ` Halil Pasic
2022-03-25 15:25           ` Halil Pasic
2022-03-25 16:23             ` Robin Murphy
2022-03-25 16:32           ` Christoph Hellwig
2022-03-25 18:15             ` Toke Høiland-Jørgensen
2022-03-25 18:42               ` Robin Murphy
2022-03-25 18:46                 ` Linus Torvalds
2022-03-28  6:37                   ` Christoph Hellwig
2022-03-28  8:15                     ` David Laight
2022-03-30 12:11                     ` Halil Pasic
2022-03-24  8:55   ` Oleksandr Natalenko [this message]

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