Re: [Xen-devel] [PATCH] x86/xpti: really hide almost all of Xen image

2018-03-02 Thread Jan Beulich
>>> On 02.03.18 at 13:16, wrote: > On 02/03/18 12:23, Jan Beulich wrote: >> Commit 422588e885 ("x86/xpti: Hide almost all of .text and all >> .data/.rodata/.bss mappings") carefully limited the Xen image cloning to >> just entry code, but then overwrote the just allocated and populated L3 >> entry

Re: [Xen-devel] [PATCH] x86/xpti: really hide almost all of Xen image

2018-03-02 Thread Juergen Gross
On 02/03/18 12:23, Jan Beulich wrote: > Commit 422588e885 ("x86/xpti: Hide almost all of .text and all > .data/.rodata/.bss mappings") carefully limited the Xen image cloning to > just entry code, but then overwrote the just allocated and populated L3 > entry with the normal one again covering both