On 6/4/19 6:59 PM, Stefano Stabellini wrote:
On Tue, 14 May 2019, Julien Grall wrote:
At the moment, set_fixmap may replace a valid entry without following
the break-before-make sequence. This may result to TLB conflict abort.
Rather than dealing with Break-Before-Make in set_fixmap, every call to
set_fixmap is paired with a call to clear_fixmap.
It is not every call to set_fixmap: it is every call to
set_fixmap(FIXMAP_MISC, ...
I don't understand this request... The title explicit mention
"copy_from_paddr" and fixmap is only called with FIXMAP_MISC.
So why should I need to specify the argument?
Please clarify, then you can add
Reviewed-by: Stefano Stabellini <sstabell...@kernel.org>
Cheers,
--
Julien Grall
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