[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-ppc] [PATCH] spapr: Add ibm, processor-storage-keys property t
|
From: |
Ram Pai |
|
Subject: |
Re: [Qemu-ppc] [PATCH] spapr: Add ibm, processor-storage-keys property to CPU DT node |
|
Date: |
Mon, 28 Aug 2017 10:53:56 -0700 |
|
User-agent: |
Mutt/1.5.20 (2009-12-10) |
On Thu, Aug 24, 2017 at 12:54:48PM +1000, Paul Mackerras wrote:
>
> We could either have two u16 fields for the number of keys for data
> and instruction, or we could have a u32 field for the number of keys
> and a separate bit in the flags field to indicate that instruction
> keys are supported. Which would be preferable?
the second choice is more confusion-proof; to me atleast.
The first choice gives a illusion that there are 'x' number of data keys
and 'y' number of instruction keys; which is not exactly true.
RP
- Re: [Qemu-ppc] [PATCH] spapr: Add ibm, processor-storage-keys property to CPU DT node, (continued)
Re: [Qemu-ppc] [PATCH] spapr: Add ibm, processor-storage-keys property to CPU DT node,
Ram Pai <=