On 6/15/21 3:57 PM, Cédric Le Goater wrote: > On 6/14/21 9:16 PM, Bruno Larsen (billionai) wrote: >> Based-on: <20210518201146.794854-1-richard.hender...@linaro.org> >> >> This commit attempts to fix the first bug mentioned by Richard Henderson in >> https://lists.nongnu.org/archive/html/qemu-devel/2021-05/msg06247.html >> >> To sumarize the bug here, when radix-style mmus are translating an >> address, they might need to call a second level of translation, with >> hypvervisor priviledges. However, the way it was being done up until >> this point meant that the second level translation had the same >> priviledges as the first level. This would only happen when a TCG guest >> was emulating KVM, which is why it hasn't been discovered yet. > > What do you mean ? The QEMU PowerNV machine emulates baremetal and > can run KVM pseries guests. > > It has some issues under load but not related to memory translation. > This patch is certainly improving the model and it is worth testing > but this version does not apply on ppc-6.1.
Unfortunately this series misses a cover letter. The base series is mentioned in the first patch: Based-on: <20210518201146.794854-1-richard.hender...@linaro.org>
