On 23.11.2012, at 23:07, Paul Mackerras wrote:
On Fri, Nov 23, 2012 at 04:43:03PM +0100, Alexander Graf wrote:
On 22.11.2012, at 10:28, Paul Mackerras wrote:
- With the possibility of the host paging out guest pages, the use of
H_LOCAL by an SMP guest is dangerous since the guest could
On Mon, Nov 26, 2012 at 02:10:33PM +0100, Alexander Graf wrote:
On 23.11.2012, at 23:07, Paul Mackerras wrote:
On Fri, Nov 23, 2012 at 04:43:03PM +0100, Alexander Graf wrote:
On 22.11.2012, at 10:28, Paul Mackerras wrote:
- With the possibility of the host paging out guest pages,
On 26.11.2012, at 22:48, Paul Mackerras wrote:
On Mon, Nov 26, 2012 at 02:10:33PM +0100, Alexander Graf wrote:
On 23.11.2012, at 23:07, Paul Mackerras wrote:
On Fri, Nov 23, 2012 at 04:43:03PM +0100, Alexander Graf wrote:
On 22.11.2012, at 10:28, Paul Mackerras wrote:
- With the
On Mon, Nov 26, 2012 at 11:03:19PM +0100, Alexander Graf wrote:
On 26.11.2012, at 22:48, Paul Mackerras wrote:
On Mon, Nov 26, 2012 at 02:10:33PM +0100, Alexander Graf wrote:
On 23.11.2012, at 23:07, Paul Mackerras wrote:
On Fri, Nov 23, 2012 at 04:43:03PM +0100, Alexander Graf
On 27.11.2012, at 00:16, Paul Mackerras wrote:
On Mon, Nov 26, 2012 at 11:03:19PM +0100, Alexander Graf wrote:
On 26.11.2012, at 22:48, Paul Mackerras wrote:
On Mon, Nov 26, 2012 at 02:10:33PM +0100, Alexander Graf wrote:
On 23.11.2012, at 23:07, Paul Mackerras wrote:
On Fri, Nov
On 23.11.2012, at 23:07, Paul Mackerras wrote:
On Fri, Nov 23, 2012 at 04:43:03PM +0100, Alexander Graf wrote:
On 22.11.2012, at 10:28, Paul Mackerras wrote:
- With the possibility of the host paging out guest pages, the use of
H_LOCAL by an SMP guest is dangerous since the guest could
On Mon, Nov 26, 2012 at 02:10:33PM +0100, Alexander Graf wrote:
On 23.11.2012, at 23:07, Paul Mackerras wrote:
On Fri, Nov 23, 2012 at 04:43:03PM +0100, Alexander Graf wrote:
On 22.11.2012, at 10:28, Paul Mackerras wrote:
- With the possibility of the host paging out guest pages,
On 26.11.2012, at 22:48, Paul Mackerras wrote:
On Mon, Nov 26, 2012 at 02:10:33PM +0100, Alexander Graf wrote:
On 23.11.2012, at 23:07, Paul Mackerras wrote:
On Fri, Nov 23, 2012 at 04:43:03PM +0100, Alexander Graf wrote:
On 22.11.2012, at 10:28, Paul Mackerras wrote:
- With the
On Mon, Nov 26, 2012 at 11:03:19PM +0100, Alexander Graf wrote:
On 26.11.2012, at 22:48, Paul Mackerras wrote:
On Mon, Nov 26, 2012 at 02:10:33PM +0100, Alexander Graf wrote:
On 23.11.2012, at 23:07, Paul Mackerras wrote:
On Fri, Nov 23, 2012 at 04:43:03PM +0100, Alexander Graf
On 27.11.2012, at 00:16, Paul Mackerras wrote:
On Mon, Nov 26, 2012 at 11:03:19PM +0100, Alexander Graf wrote:
On 26.11.2012, at 22:48, Paul Mackerras wrote:
On Mon, Nov 26, 2012 at 02:10:33PM +0100, Alexander Graf wrote:
On 23.11.2012, at 23:07, Paul Mackerras wrote:
On Fri, Nov
On 22.11.2012, at 10:28, Paul Mackerras wrote:
When we change or remove a HPT (hashed page table) entry, we can do
either a global TLB invalidation (tlbie) that works across the whole
machine, or a local invalidation (tlbiel) that only affects this core.
Currently we do local invalidations
On Fri, Nov 23, 2012 at 04:43:03PM +0100, Alexander Graf wrote:
On 22.11.2012, at 10:28, Paul Mackerras wrote:
- With the possibility of the host paging out guest pages, the use of
H_LOCAL by an SMP guest is dangerous since the guest could possibly
retain and use a stale TLB entry
On 22.11.2012, at 10:28, Paul Mackerras wrote:
When we change or remove a HPT (hashed page table) entry, we can do
either a global TLB invalidation (tlbie) that works across the whole
machine, or a local invalidation (tlbiel) that only affects this core.
Currently we do local invalidations
On Fri, Nov 23, 2012 at 04:43:03PM +0100, Alexander Graf wrote:
On 22.11.2012, at 10:28, Paul Mackerras wrote:
- With the possibility of the host paging out guest pages, the use of
H_LOCAL by an SMP guest is dangerous since the guest could possibly
retain and use a stale TLB entry
When we change or remove a HPT (hashed page table) entry, we can do
either a global TLB invalidation (tlbie) that works across the whole
machine, or a local invalidation (tlbiel) that only affects this core.
Currently we do local invalidations if the VM has only one vcpu or if
the guest requests
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