Messages in this thread | | | From | Puranjay Mohan <> | Date | Mon, 17 Jul 2023 09:50:56 +0200 | Subject | Re: [PATCH bpf-next v4 0/3] bpf, arm64: use BPF prog pack allocator in BPF JIT |
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Hi Mark,
On Mon, Jul 3, 2023 at 7:15 PM Mark Rutland <mark.rutland@arm.com> wrote: > > On Mon, Jul 03, 2023 at 06:40:21PM +0200, Daniel Borkmann wrote: > > Hi Mark, > > Hi Daniel, > > > On 6/26/23 10:58 AM, Puranjay Mohan wrote: > > > BPF programs currently consume a page each on ARM64. For systems with many BPF > > > programs, this adds significant pressure to instruction TLB. High iTLB pressure > > > usually causes slow down for the whole system. > > > > > > Song Liu introduced the BPF prog pack allocator[1] to mitigate the above issue. > > > It packs multiple BPF programs into a single huge page. It is currently only > > > enabled for the x86_64 BPF JIT. > > > > > > This patch series enables the BPF prog pack allocator for the ARM64 BPF JIT. > > > If you get a chance to take another look at the v4 changes from Puranjay and > > in case they look good to you reply with an Ack, that would be great. > > Sure -- this is on my queue of things to look at; it might just take me a few > days to get the time to give this a proper look. > > Thanks, > Mark.
I am eagerly looking forward to your feedback on this series.
Thanks, Puranjay
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