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Message-ID: <20230629170155.175d71aa@kernel.org>
Date: Thu, 29 Jun 2023 17:01:55 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: David Howells <dhowells@...hat.com>
Cc: netdev@...r.kernel.org, Matthew Wilcox <willy@...radead.org>, Dave
Chinner <david@...morbit.com>, Matt Whitlock <kernel@...twhitlock.name>,
Linus Torvalds <torvalds@...ux-foundation.org>, Jens Axboe
<axboe@...nel.dk>, linux-fsdevel@...ck.org, linux-mm@...ck.org,
linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 0/4] splice: Fix corruption in data spliced to pipe
On Thu, 29 Jun 2023 16:54:29 +0100 David Howells wrote:
> I'm more inclined to adjust the documentation since the behaviour we
> have has been that way since 2005, I think.
+1 FWIW I think that networking always operated under the assumption
that the pages may change. In TLS we require explicit opt-in from users
that the pages they send will not get changed, if it could cause crypto
errors (TLS_TX_ZEROCOPY_RO).
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