回复: Re: [PATCH v1 1/2] drm/qxl: replace ioremap by ioremap_cache on arm64

Hi,I didn't understand the mapping attribute mismatch issue methioned by Gerd, we nowuse HuaWei  Kunpeng-920 machine and the qxl works fine, it is Armv8.2 architecture. In order to make qxl work properly on arm64, the other modification I made are onqemu.https://lore.kernel.org/all/20220318085931.3

回复: Re: 回复: Re: 回复: Re: 回复: Re: [PATCH v1 1/2] drm/qxl: replace ioremap by ioremap_cache on arm64

ok, thanks, a lot of our customer use qxl on x86 before, so it still needto supoort qxl on arm64.    Regards,Cong.        主　题：Re: 回复: Re: 回复: Re: 回复: Re: [PATCH v1 1/2] drm/qxl: replace ioremap by ioremap_cache on arm64            日　期：2022-03-24 18:26            发件人：Gerd Hoffmann            收

回复: Re: 回复: Re: 回复: Re: [PATCH v1 1/2] drm/qxl: replace ioremap by ioremap_cache on arm64

arm64            日　期：2022-03-23 18:17            发件人：Christian König            收件人：liucong2@kylinos.cnairlied@redhat.comkraxel@redhat.comairlied@linux.iedaniel@ffwll.chray.huang@amd.comvirtualization@lists.linux-foundation.orgspice-devel@lists.freedesktop.orgdri-de...@lists.freedesktop.org

回复: Re: 回复: Re: [PATCH v1 1/2] drm/qxl: replace ioremap by ioremap_cache on arm64

       日　期：2022-03-23 17:34            发件人：Christian König            收件人：liucong2@kylinos.cnairlied@redhat.comkraxel@redhat.comairlied@linux.iedaniel@ffwll.chray.huang@amd.comvirtualization@lists.linux-foundation.orgspice-devel@lists.freedesktop.orgdri-de...@lists.freed

回复: Re: [PATCH v1 1/2] drm/qxl: replace ioremap by ioremap_cache on arm64

Hi Christian,according to 'Arm Architecture Reference Manual Armv8,for Armv8-Aarchitecture profile' pdf E2.6.5E2.6.5 Generation of Alignment faults by load/store multiple accesses to Device memory When FEAT_LSMAOC is implemented and the value of the applicable nTLSMD field is 0, any memory access b