On 27.10.20 02:25, Peng Fan wrote: > Jan, > >> Subject: Re: [PATCH v2 00/46] arm64: Rework SMMUv2 support >> >> On 14.10.20 10:28, Jan Kiszka wrote: >>> Changes in v2: >>> - map 52-bit parange to 48 >>> >>> That wasn't the plan when I started, but the more I dug into the >>> details and started to understand the hardware, the more issues I >>> found and the more dead code fragments from the Linux usage became >> visible. >>> >>> Highlights of the outcome: >>> - Fix stall of SMMU due to unhandled stalled contexts (took me a while >>> to understand that...) >>> - Fix programming of CBn_TCR and TTBR >>> - Fix TLB flush on cell exit >>> - Fix bogus handling of Extended StreamID support >>> - Do not pass-through unknown streams >>> - Disable SMMU on shutdown >>> - Reassign StreamIDs to the root cell >>> - 225 insertions(+), 666 deletions(-) >>> >>> The code works as expected on the Ultra96-v2 here, but due to all the >>> time that went into the rework, I had no chance to bring up my MX8QM >>> so far. I'm fairly optimistic that things are not broken there as >>> well, but if they are, bisecting should be rather simple with this >>> series. So please test and review. >>> >> >> Alice, Peng, already had a chance to review or test (ie. next)? > > I gave a test, sometimes I met SDHC ADMA error when > `jailhouse enable imx8qm.cell`, sometimes it work well. > > I suspect when during jailhouse enable phase, there might be > ongoing sdhc transactions not finished, not sure. > > I have not find time to look into details. > > Anyway, you could check in to master I think, we could address > the issue later when I have time. >
Hmm, I would still like to understand this first... Do you have the chance to bisect this effect to a commit? Otherwise, I guess I finally need to get my board running. Jan -- Siemens AG, T RDA IOT Corporate Competence Center Embedded Linux -- You received this message because you are subscribed to the Google Groups "Jailhouse" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/jailhouse-dev/bee3d688-1c2d-f4d8-f434-b9ff8d50ce10%40siemens.com.
