Re: [Xen-devel] [PATCH v3 0/2] Clear .bss for VP guests

2016-02-26 Thread Boris Ostrovsky
On 02/26/2016 10:26 AM, David Vrabel wrote: The tools support loading bzImages, not just ELF images. We load them as ELF images though, I believe, after uncompressing. E.g.: static int xc_dom_load_bzimage_kernel(struct xc_dom_image *dom) { return elf_loader.loader(dom); } -boris __

Re: [Xen-devel] [PATCH v3 0/2] Clear .bss for VP guests

2016-02-26 Thread Boris Ostrovsky
On 02/26/2016 10:22 AM, Roger Pau Monné wrote: El 26/2/16 a les 16:10, Boris Ostrovsky ha escrit: On 02/26/2016 09:42 AM, Brian Gerst wrote: On Fri, Feb 26, 2016 at 8:51 AM, Boris Ostrovsky wrote: On 02/26/2016 05:53 AM, Roger Pau Monné wrote: El 25/2/16 a les 16:16, Boris Ostrovsky ha escri

Re: [Xen-devel] [PATCH v3 0/2] Clear .bss for VP guests

2016-02-26 Thread David Vrabel
On 26/02/16 15:22, Roger Pau Monné wrote: > El 26/2/16 a les 16:10, Boris Ostrovsky ha escrit: >> On 02/26/2016 09:42 AM, Brian Gerst wrote: >>> On Fri, Feb 26, 2016 at 8:51 AM, Boris Ostrovsky >>> wrote: On 02/26/2016 05:53 AM, Roger Pau Monné wrote: > El 25/2/16 a les 16:16, Boris Ostro

Re: [Xen-devel] [PATCH v3 0/2] Clear .bss for VP guests

2016-02-26 Thread Roger Pau Monné
El 26/2/16 a les 16:10, Boris Ostrovsky ha escrit: > On 02/26/2016 09:42 AM, Brian Gerst wrote: >> On Fri, Feb 26, 2016 at 8:51 AM, Boris Ostrovsky >> wrote: >>> On 02/26/2016 05:53 AM, Roger Pau Monné wrote: El 25/2/16 a les 16:16, Boris Ostrovsky ha escrit: > PV guests need to have thei

Re: [Xen-devel] [PATCH v3 0/2] Clear .bss for VP guests

2016-02-26 Thread David Vrabel
On 26/02/16 15:10, Boris Ostrovsky wrote: > On 02/26/2016 09:42 AM, Brian Gerst wrote: >> On Fri, Feb 26, 2016 at 8:51 AM, Boris Ostrovsky >> wrote: >>> On 02/26/2016 05:53 AM, Roger Pau Monné wrote: El 25/2/16 a les 16:16, Boris Ostrovsky ha escrit: > PV guests need to have their .bss ze

Re: [Xen-devel] [PATCH v3 0/2] Clear .bss for VP guests

2016-02-26 Thread Boris Ostrovsky
On 02/26/2016 09:42 AM, Brian Gerst wrote: On Fri, Feb 26, 2016 at 8:51 AM, Boris Ostrovsky wrote: On 02/26/2016 05:53 AM, Roger Pau Monné wrote: El 25/2/16 a les 16:16, Boris Ostrovsky ha escrit: PV guests need to have their .bss zeroed out since it is not guaranteed to be cleared by Xen's d

Re: [Xen-devel] [PATCH v3 0/2] Clear .bss for VP guests

2016-02-26 Thread Brian Gerst
On Fri, Feb 26, 2016 at 8:51 AM, Boris Ostrovsky wrote: > On 02/26/2016 05:53 AM, Roger Pau Monné wrote: >> >> El 25/2/16 a les 16:16, Boris Ostrovsky ha escrit: >>> >>> PV guests need to have their .bss zeroed out since it is not guaranteed >>> to be cleared by Xen's domain builder >> >> I guess

Re: [Xen-devel] [PATCH v3 0/2] Clear .bss for VP guests

2016-02-26 Thread Boris Ostrovsky
On 02/26/2016 05:53 AM, Roger Pau Monné wrote: El 25/2/16 a les 16:16, Boris Ostrovsky ha escrit: PV guests need to have their .bss zeroed out since it is not guaranteed to be cleared by Xen's domain builder I guess I'm missing something, but elf_load_image (in libelf-loader.c) seems to be able

Re: [Xen-devel] [PATCH v3 0/2] Clear .bss for VP guests

2016-02-26 Thread Roger Pau Monné
El 25/2/16 a les 16:16, Boris Ostrovsky ha escrit: > PV guests need to have their .bss zeroed out since it is not guaranteed > to be cleared by Xen's domain builder I guess I'm missing something, but elf_load_image (in libelf-loader.c) seems to be able to clear segments (it will zero the memory be