On Thu, 2015-12-11 at 05:44:42 UTC, Paul Mackerras wrote:
> Currently, if HV KVM is configured but PR KVM isn't, we don't include
> a test to see whether we were interrupted in KVM guest context for the
> set of interrupts which get delivered directly to the guest by hardware
> if they occur in
On 20/11/15 09:11, Thomas Huth wrote:
> In the old DABR register, the BT (Breakpoint Translation) bit
> is bit number 61. In the new DAWRX register, the WT (Watchpoint
> Translation) bit is bit number 59. So to move the DABR-BT bit
> into the position of the DAWRX-WT bit, it has to be shifted by
>
On Tue, Sep 15, 2015 at 08:49:33PM +1000, Alexey Kardashevskiy wrote:
> This reworks the existing H_PUT_TCE/H_GET_TCE handlers to have one
> exit path. This allows next patch to add locks nicely.
I don't see a problem with the actual code, but it doesn't seem to
match this description: I still
On Tue, Sep 15, 2015 at 08:49:31PM +1000, Alexey Kardashevskiy wrote:
> This defines list_for_each_entry_rcu_notrace and list_entry_rcu_notrace
> which use rcu_dereference_raw_notrace instead of rcu_dereference_raw.
> This allows using list_for_each_entry_rcu_notrace in real mode (MMU is off).
>
On Tue, Sep 15, 2015 at 08:49:34PM +1000, Alexey Kardashevskiy wrote:
> At the moment spapr_tce_tables is not protected against races. This makes
> use of RCU-variants of list helpers. As some bits are executed in real
> mode, this makes use of just introduced list_for_each_entry_rcu_notrace().
>
On Tue, Sep 15, 2015 at 08:49:32PM +1000, Alexey Kardashevskiy wrote:
> This helper translates vmalloc'd addresses to linear addresses.
> It is only used by the KVM MMU code now and resides in the HV KVM code.
> We will need it further in the TCE code and the DMA memory preregistration
> code
