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Re: [Xen-devel] [PATCH 4/7] xen/arm: vsmc: Implement SMCCC 1.1


On 02/06/2018 04:18 PM, Volodymyr Babchuk wrote:
On 5 February 2018 at 15:20, Julien Grall <julien.grall@xxxxxxx> wrote:
The new SMC Calling Convention (v1.1) allows for a reduced overhead when
calling into the firmware, and provides a new feature discovery
mechanism. See ARM DEN 00070A.
Сould you please use also a human-readable document name? I remember
that I read "Firmware interfaces for mitigating CVE-2017-5715", but I
can't remember what is ARM DEN 00070A about.

The reason I am using ARM DEN 0070A is because the name does not give you revision of the specification. So you can't know whether you use rev A or B. As new revision may introduce/change behavior, this is very helpful to know which specific revision that was used to write the code.

It is also much easier to find on the web the identifier than the title as you directly reach to a given version

Anyway, I can mention the full name of the specification in the commit.


Julien Grall

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