[Xen-devel] Re: [PATCH RFC V5 00/11] Paravirtualized ticketlocks

["H. Peter Anvin" <hpa@xxxxxxxxx>]

On 10/14/2011 11:35 AM, Jason Baron wrote:
> 
> A nice featuer of jump labels, is that it allows the various branches
> (currently we only support 2), to be written in c code (as opposed to asm),
> which means you can write your code as you normally would and access any
> parameters as you normally would - hopefully, making the code pretty
> readable as well.
> 
> I hope this better clarifies the use-cases for the various mechanisms.
> 

There is an important subcase which might be handy which would be to
allow direct patching of call instructions instead of using indirect calls.

        -hpa


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