Re: [PATCH 0/5] serial: Add MMIO & SPCR support for AWS EC2 metal instances

2021-03-23 Thread Benjamin Herrenschmidt
On Tue, 2021-03-23 at 19:04 +0100, Daniel Kiper wrote: > Hi Benjamin, > > On Fri, Mar 19, 2021 at 09:07:23AM +1100, Benjamin Herrenschmidt wrote: > > (Apologies if that got sent twice, there was an issue with my setup > > yesterday causing it to be sent with the wrong From: line) > > > > This

Re: [PATCH 0/5] serial: Add MMIO & SPCR support for AWS EC2 metal instances

2021-03-23 Thread Daniel Kiper
Hi Benjamin, On Fri, Mar 19, 2021 at 09:07:23AM +1100, Benjamin Herrenschmidt wrote: > (Apologies if that got sent twice, there was an issue with my setup > yesterday causing it to be sent with the wrong From: line) > > This series adds support for the serial console of AWS EC2 "metal" x86 >

Re: [PATCH 0/5] serial: Add MMIO & SPCR support for AWS EC2 metal instances

2021-03-19 Thread Glenn Washburn
On Fri, 19 Mar 2021 12:27:15 +1100 Benjamin Herrenschmidt wrote: > On Thu, 2021-03-18 at 19:03 -0500, Glenn Washburn wrote: > > > This was tested using SPCR on an actual c5.metal instance, and > > > using explicit instanciation via serial -p mmio on a > > > modified qemu hacked to create

Re: [PATCH 0/5] serial: Add MMIO & SPCR support for AWS EC2 metal instances

2021-03-18 Thread Benjamin Herrenschmidt
On Thu, 2021-03-18 at 19:03 -0500, Glenn Washburn wrote: > > This was tested using SPCR on an actual c5.metal instance, and using > > explicit instanciation via serial -p mmio on a modified qemu > > hacked to create MMIO PCI serial ports. > > > When you say a modified qemu, was that a

Re: [PATCH 0/5] serial: Add MMIO & SPCR support for AWS EC2 metal instances

2021-03-18 Thread Glenn Washburn
Hey Ben, On Fri, 19 Mar 2021 09:07:23 +1100 Benjamin Herrenschmidt wrote: > (Apologies if that got sent twice, there was an issue with my setup > yesterday causing it to be sent with the wrong From: line) > > This series adds support for the serial console of AWS EC2 "metal" x86 > instances to

[PATCH 0/5] serial: Add MMIO & SPCR support for AWS EC2 metal instances

2021-03-18 Thread Benjamin Herrenschmidt
(Apologies if that got sent twice, there was an issue with my setup yesterday causing it to be sent with the wrong From: line) This series adds support for the serial console of AWS EC2 "metal" x86 instances to grub. This requires two improvements: - Support for MMIO accesses to the 8250 serial