Messages in this thread | | | Subject | Re: [PATCH 1/1] Update AMD cpu microcode for family 15h | From | Rudolf Marek <> | Date | Mon, 4 Jun 2018 21:27:07 +0200 |
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Hi Sherry,
Any news on this please? It seems we still miss updated microcode for certain fam15h/16h for Linux.
Thanks Rudolf
Dne 1.6.2018 v 00:05 Henrique de Moraes Holschuh napsal(a): > On Wed, 30 May 2018, Ivan Ivanov wrote: >> This is still not addressing the outdated 15h microcode version issue >> that Rudolf Marek has pointed out. Also, we still hope to see an >> updated microcode for 16h architecture as well - it has not received >> any updates for two years already > > True, but now at least it won't regress old boxes anymore, so we can > ship it in the stable branches of the distros with less restrictions. > > It would be really good to be able to actually mitigate spectre v2/v4 on > most AMD systems, though. And current experience shows this is only > going to happen if we can have the required microcode update also going > through the operating system update channels.
> Dne 24.5.2018 v 16:48 Hurwitz, Sherry napsal(a): >> Thank you for pointing this out. Let me investigate and send out an updated fam15h container. > > Thanks I have seen the patch. However it still contains "old" microcode from 2012, patch level > 0x06001119. Do you plan to update it to 0x0600111f, which will support IBPB? > > Thanks > Rudolf > >
> I noticed in commit [1], that 0x00610f01 microcode is removed completely. It has only entry in the equivalence table, > but the actual microcode is gone. As this update fixes important errata (and it was latest supported microcode officially released), what is the reason behind that? > > Maybe it is a mistake? Or new microcode will be provided? I seen in the wild one with patch level 0x0600111f, but it does not > seem to be available? > > Please can someone throw some light on that? > > Many thanks > Rudolf > > > [1] > https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/commit/amd-ucode/microcode_amd_fam15h.bin?id=77101513943ef198e2050667c87abf19e6cbb1d8
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