[Xen-devel] [PATCH v5 1/4] livepatch/docs: Document .bss not being cleared, and .data potentially having changed values

2016-09-11 Thread Konrad Rzeszutek Wilk
. since the load time. In summary we clear the .bss only during upload time. Subsequent apply/revert/apply can change the .bss values - meaning that the .bss values are not guaranteed to be zero - in fact they can be anything! And the .data can also be in various states. Suggested-by: Ross Lager

Re: [Xen-devel] [PATCH v5 1/4] livepatch/docs: Document .bss not being cleared, and .data potentially having changed values

2016-09-12 Thread Jan Beulich
>>> On 11.09.16 at 17:48, wrote: > --- a/docs/misc/livepatch.markdown > +++ b/docs/misc/livepatch.markdown > @@ -875,6 +875,12 @@ section and the new function will reference the new > string in the new > > This is implemented in the Xen Project hypervisor. > > +Note that the .bss section is

Re: [Xen-devel] [PATCH v5 1/4] livepatch/docs: Document .bss not being cleared, and .data potentially having changed values

2016-09-13 Thread Konrad Rzeszutek Wilk
On Mon, Sep 12, 2016 at 01:49:51AM -0600, Jan Beulich wrote: > >>> On 11.09.16 at 17:48, wrote: > > --- a/docs/misc/livepatch.markdown > > +++ b/docs/misc/livepatch.markdown > > @@ -875,6 +875,12 @@ section and the new function will reference the new > > string in the new > > > > This is imple

Re: [Xen-devel] [PATCH v5 1/4] livepatch/docs: Document .bss not being cleared, and .data potentially having changed values

2016-09-13 Thread Jan Beulich
>>> On 13.09.16 at 17:59, wrote: > On Mon, Sep 12, 2016 at 01:49:51AM -0600, Jan Beulich wrote: >> >>> On 11.09.16 at 17:48, wrote: >> > --- a/docs/misc/livepatch.markdown >> > +++ b/docs/misc/livepatch.markdown >> > @@ -875,6 +875,12 @@ section and the new function will reference the new >> > s