Re: [Xen-ia64-devel] [PATCH] Fix vulnerability of copy_to_user in PAL emulation

[Tristan Gingold <tgingold@xxxxxxx>]

On Wed, Dec 12, 2007 at 02:12:41PM +0900, Isaku Yamahata wrote:
> On Wed, Dec 12, 2007 at 01:07:13PM +0900, Kouya Shimura wrote:
> 
> Shouldn't we call vcpu_increment_iip(v); unconditionally?
> If pal_emul() returns other than IA64_NO_FAULT,
> guest will issue the same break instruction again with same argument
> resulting in no forward progress.

Isn't it what it expected in case of TLB miss injection ?

Tristan.

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