On 7/23/20 8:20 AM, Paul Mackerras wrote:
> On Mon, Jun 08, 2020 at 01:57:14PM +0200, Cédric Le Goater wrote:
>> POWER8 and POWER9 have 12-bit LPIDs. Change LPID_RSVD to support up to
>> (4096 - 2) guests on these processors. POWER7 is kept the same with a
>> limitation of (1024 - 2), but it might
On Mon, Jun 08, 2020 at 01:57:14PM +0200, Cédric Le Goater wrote:
> POWER8 and POWER9 have 12-bit LPIDs. Change LPID_RSVD to support up to
> (4096 - 2) guests on these processors. POWER7 is kept the same with a
> limitation of (1024 - 2), but it might be time to drop KVM support for
> POWER7.
>
>
On 6/8/20 1:57 PM, Cédric Le Goater wrote:
> POWER8 and POWER9 have 12-bit LPIDs. Change LPID_RSVD to support up to
> (4096 - 2) guests on these processors. POWER7 is kept the same with a
> limitation of (1024 - 2), but it might be time to drop KVM support for
> POWER7.
>
> Tested with 2048 guests
POWER8 and POWER9 have 12-bit LPIDs. Change LPID_RSVD to support up to
(4096 - 2) guests on these processors. POWER7 is kept the same with a
limitation of (1024 - 2), but it might be time to drop KVM support for
POWER7.
Tested with 2048 guests * 4 vCPUs on a witherspoon system with 512G
RAM and a
