Hi Julien, On 2017/3/14 23:35, Julien Grall wrote: > Hello Wei, > > Title: I would add alternative to make clear this is touching alternative. > > On 14/03/17 09:27, Wei Chen wrote: >> While we're doing apply_alternatives, we will generate new instructions >> if required. The new instructions need to update the Xen text section, >> but Xen text section is read-only. So we re-map Xen to a new virtual >> address to enable write access. >> >> The targets of the new generated instructions are located in this >> re-mapped Xen area. But we haven't register this area as a virtual >> region, so the checking code determines the targets are not in the >> Xen text section, the new instructions could not be generated. >> >> In this patch, we register the re-mapped Xen area as a temporary >> virtual region to make the new instructions can be generated >> successfully. >> >> Signed-off-by: Wei Chen <wei.c...@arm.com> >> --- > > This patch would need to be backported on Xen 4.8. > > For the rest, see Konrad's comment. >
Ok, I will do it. > Regards, > -- Regards, Wei Chen _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
