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Re: [PATCH 0/3] Early Boot Allocation on Power
- To: Shawn Anastasio <sanastasio@xxxxxxxxxxxxxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Mon, 4 Dec 2023 08:58:42 +0100
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- Cc: Timothy Pearson <tpearson@xxxxxxxxxxxxxxxxxxxxx>, "Daniel P. Smith" <dpsmith@xxxxxxxxxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Mon, 04 Dec 2023 07:58:46 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 01.12.2023 20:59, Shawn Anastasio wrote:
> Hello all,
>
> This series enables the Xen boot time allocator on Power by parsing
> the available memory regions from the firmware-provided device tree.
>
> The device tree processing and bookkeeping code was adapted from Arm,
> but it was trimmed down to exclude code for parsing Arm-specific dt
> nodes.
>
> Additionally, the final patch of the series updates the radix mmu
> code to use the newly-enabled boot allocator for the Partition and
> Process tables, instead of statically allocating them like was
> previously done. Among other things, switching to run-time allocation
> allows us to allocate a full-sized Process Table instead of the
> minimal one that was previously used to keep the Xen binary size small.
>
> Thanks,
>
> Shawn Anastasio (3):
> xen/ppc: Enable Boot Allocator
A standalone patch with this title was sent earlier. What's their
interrelation?
Jan
> xen/ppc: mm-radix: Replace debug printing code with printk
> xen/ppc: mm-radix: Allocate Partition and Process Tables at runtime
>
> xen/arch/ppc/Makefile | 1 +
> xen/arch/ppc/bootfdt.c | 507 +++++++++++++++++++++++++++++++
> xen/arch/ppc/include/asm/setup.h | 113 +++++++
> xen/arch/ppc/mm-radix.c | 197 ++++++------
> xen/arch/ppc/setup.c | 109 ++++++-
> 5 files changed, 823 insertions(+), 104 deletions(-)
> create mode 100644 xen/arch/ppc/bootfdt.c
>
> --
> 2.30.2
>
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