Linux 6.9 Adds New RISC-V Vector-Accelerated Crypto Routines

[phoronix]

Phoronix: Linux 6.9 Adds New RISC-V Vector-Accelerated Crypto Routines

The RISC-V architecture updates were sent out today for the in-development Linux 6.9 kernel ahead of the v6.9-rc1 release this Sunday...

https://www.phoronix.com/news/Linux-6.9-RISC-V

[c117152]

RVV 1.0 (std), 0.7.1 (thead) or both? GCC got 0.7.1 support recently so both are possible.

[ayumu]

RVV 1.0 (std), 0.7.1 (thead) or both? GCC got 0.7.1 support recently so both are possible.

1.0.

Non-ratified extensions are generally supported out of tree if at all. The focus for upstream is the official specification.

[c117152]

1.0.

Non-ratified extensions are generally supported out of tree if at all. The focus for upstream is the official specification.

Yeah but it still worth clarifying since there's quite a lot of 0.7.1 products around and new ones are coming out all the time.

[ayumu]

new ones are coming out all the time.

Are they really?

Most recent announcements are 1.0 based.

0.7.1 is effectively a custom extension, and it's only been implemented in C906/C910, which vendor has already replaced with V 1.0 (C908/C920v2/C930).