Re: [PATCH v2] x86/kaslr: Revisit entropy when CONFIG_PCI_P2PDMA is enabled

[Dave Hansen]

On 2/6/25 15:42, Balbir Singh wrote:
> Fix this by not shrinking the size of direct map when CONFIG_PCI_P2PDMA
> is enabled. This reduces the total available entropy, but it's
> better than the current work around of having to disable KASLR
> completely.

Is the size of these P2PDMA mappings known up front? Or do you just need
them to be as large as possible?