Re: [Xen-devel] [PATCH v1 1/5] xsplice: Design document.

[Ross Lagerwall <ross.lagerwall@xxxxxxxxxx>]

On 10/26/2015 12:01 PM, Martin Pohlack wrote:
> On 16.09.2015 23:01, Konrad Rzeszutek Wilk wrote:
>
> [...]
>
> > +### xsplice_patch
> > +
> > +This structure has the binary code (or data) to be patched. Depending on the
> > +type it can either an inline patch (data or text) or require an relocation
> > +change (which requires a trampoline). Naturally it also points to a blob
> > +of the binary data to patch in, and the size of the patch.
> On the Xen developer summit we agreed to start with a minimal approach
> first.  Based on looking at the last ~50 XSA patches, I do think we can
> do *without* the in-place patching and would propose to tackle this
> approach later or not at all.
Indeed. The prototype V1 that I posted last Friday works at a function 
level. I guess the only reason to make anything more complicated would 
be to patch the asm code in entry.S.
--
Ross Lagerwall

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