Re: [Xen-devel] [PATCH v5 15/28] xsplice: Add .xsplice.hooks functions and test-case

> Overall I think that all of the cited examples are such which already > don't really lend themselves to live patching. Hence I think we're > going to be fine without these extra two pieces for the initial round, /me nods. > taking into consideration just those cases where live patching is >

Re: [Xen-devel] [PATCH v5 15/28] xsplice: Add .xsplice.hooks functions and test-case

>>> On 11.04.16 at 10:23, wrote: > On 04/08/2016 06:39 PM, Jan Beulich wrote: > On 08.04.16 at 17:57, wrote: >>> I've marked the following XSAs as potentially requiring hook functions >>> or shadow variables: >>> >>> XSA-36 Again an

Re: [Xen-devel] [PATCH v5 15/28] xsplice: Add .xsplice.hooks functions and test-case

>>> On 11.04.16 at 10:23, wrote: > Some examples: > XSA-80: In addition to patching the code, a hook function is needed to > set iommu_dont_flush_iotlb back to 0. I don't think this is an issue that can be reasonably life patched: Doing so would likely lead to the

Re: [Xen-devel] [PATCH v5 15/28] xsplice: Add .xsplice.hooks functions and test-case

On 04/08/2016 06:39 PM, Jan Beulich wrote: On 08.04.16 at 17:57, wrote: On 04/07/2016 02:15 AM, Jan Beulich wrote: Martin Pohlack 04/06/16 8:42 AM >>> On 06.04.2016 04:42, Konrad Rzeszutek Wilk wrote: The normal use-case is to modify

Re: [Xen-devel] [PATCH v5 15/28] xsplice: Add .xsplice.hooks functions and test-case

>>> On 08.04.16 at 17:57, wrote: > On 04/07/2016 02:15 AM, Jan Beulich wrote: > Martin Pohlack 04/06/16 8:42 AM >>> >>> On 06.04.2016 04:42, Konrad Rzeszutek Wilk wrote: The normal use-case is to modify structures values where we have to

Re: [Xen-devel] [PATCH v5 15/28] xsplice: Add .xsplice.hooks functions and test-case

On 04/07/2016 02:15 AM, Jan Beulich wrote: Martin Pohlack 04/06/16 8:42 AM >>> On 06.04.2016 04:42, Konrad Rzeszutek Wilk wrote: The normal use-case is to modify structures values where we have to be delicate about it and can't just replace the value. As in we may have to

Re: [Xen-devel] [PATCH v5 15/28] xsplice: Add .xsplice.hooks functions and test-case

>>> Martin Pohlack 04/06/16 8:42 AM >>> >On 06.04.2016 04:42, Konrad Rzeszutek Wilk wrote: >> The normal use-case is to modify structures values where we have to >> be delicate about it and can't just replace the value. As in we >> may have to recompute the value. > >Agree on

Re: [Xen-devel] [PATCH v5 15/28] xsplice: Add .xsplice.hooks functions and test-case

>>> Konrad Rzeszutek Wilk 04/06/16 4:44 AM >>> >On Fri, Apr 01, 2016 at 09:50:31AM -0600, Jan Beulich wrote: >> >>> On 24.03.16 at 21:00, wrote: >> > From: Ross Lagerwall >> > >> > Add hook functions which run during patch

Re: [Xen-devel] [PATCH v5 15/28] xsplice: Add .xsplice.hooks functions and test-case

On 06.04.2016 04:42, Konrad Rzeszutek Wilk wrote: > On Fri, Apr 01, 2016 at 09:50:31AM -0600, Jan Beulich wrote: > On 24.03.16 at 21:00, wrote: >>> From: Ross Lagerwall >>> >>> Add hook functions which run during patch apply and patch

Re: [Xen-devel] [PATCH v5 15/28] xsplice: Add .xsplice.hooks functions and test-case

On Fri, Apr 01, 2016 at 09:50:31AM -0600, Jan Beulich wrote: > >>> On 24.03.16 at 21:00, wrote: > > From: Ross Lagerwall > > > > Add hook functions which run during patch apply and patch revert. > > Hook functions are used by xsplice payloads

Re: [Xen-devel] [PATCH v5 15/28] xsplice: Add .xsplice.hooks functions and test-case

>>> On 24.03.16 at 21:00, wrote: > From: Ross Lagerwall > > Add hook functions which run during patch apply and patch revert. > Hook functions are used by xsplice payloads to manipulate data structures > during patching, etc. Since the added

[Xen-devel] [PATCH v5 15/28] xsplice: Add .xsplice.hooks functions and test-case

From: Ross Lagerwall Add hook functions which run during patch apply and patch revert. Hook functions are used by xsplice payloads to manipulate data structures during patching, etc. Also add macros to be used by payloads for excluding functions or sections from being