Re: [Xen-devel] [PATCH v10 21/24] xsplice: Stacking build-id dependency checking.

2016-05-02 Thread Konrad Rzeszutek Wilk
On Mon, May 02, 2016 at 12:37:09AM -0600, Jan Beulich wrote: > >>> On 27.04.16 at 21:27, wrote: > > @@ -506,6 +518,37 @@ static int prepare_payload(struct payload *payload, > > } > > } > > > > +sec = xsplice_elf_sec_by_name(elf, ELF_BUILD_ID_NOTE); > > +if ( sec ) > > +

Re: [Xen-devel] [PATCH v10 21/24] xsplice: Stacking build-id dependency checking.

2016-05-01 Thread Jan Beulich
>>> On 27.04.16 at 21:27, wrote: > @@ -506,6 +518,37 @@ static int prepare_payload(struct payload *payload, > } > } > > +sec = xsplice_elf_sec_by_name(elf, ELF_BUILD_ID_NOTE); > +if ( sec ) > +{ > +n = sec->load_addr; > + > +if ( sec->sec->sh_size <= siz

Re: [Xen-devel] [PATCH v10 21/24] xsplice: Stacking build-id dependency checking.

2016-04-28 Thread Jan Beulich
>>> On 27.04.16 at 21:27, wrote: > --- a/xen/arch/x86/test/Makefile > +++ b/xen/arch/x86/test/Makefile > @@ -6,17 +6,20 @@ CODE_SZ=$(shell nm --defined -S $(1) | grep $(2) | awk '{ > print "0x"$$2}') > .PHONY: default > > XSPLICE := xen_hello_world.xsplice > +XSPLICE_BYE := xen_bye_world.xspl

[Xen-devel] [PATCH v10 21/24] xsplice: Stacking build-id dependency checking.

2016-04-27 Thread Konrad Rzeszutek Wilk
We now expect that the ELF payloads be built with the --build-id. Also the .xsplice.deps section has to have the contents of the hypervisor (or a preceding payload) build-id. We already have the code to verify the Elf_Note build-id so export parts of it. This dependency means the hypervisor MUST