Messages in this thread | | | From | David Laight <> | Subject | RE: [PATCH] list: Prevent compiler reloads inside 'safe' list iteration | Date | Tue, 10 Mar 2020 15:05:57 +0000 |
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From: Marco Elver > Sent: 10 March 2020 14:10 ... > FWIW, for writes we're already being quite generous, in that plain > aligned writes up to word-size are assumed to be "atomic" with the > default (conservative) config, i.e. marking such writes is optional. > Although, that's a generous assumption that is not always guaranteed > to hold (https://lore.kernel.org/lkml/20190821103200.kpufwtviqhpbuv2n@willie-the-truck/).
Remind me to start writing everything in assembler.
That and to mark all structure members 'volatile'.
David
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