Re: [PATCH 2/2] uprobes: add speculative lockless VMA-to-inode-to-uprobe resolution

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* Andrii Nakryiko <andrii@xxxxxxxxxx> [240906 01:12]:

...

> ---
>  kernel/events/uprobes.c | 51 +++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 51 insertions(+)
> 
> diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c
> index a2e6a57f79f2..b7e0baa83de1 100644
...

> @@ -2088,6 +2135,10 @@ static struct uprobe *find_active_uprobe_rcu(unsigned long bp_vaddr, int *is_swb

I'm having issues locating this function in akpm/mm-unstable.  What
tree/commits am I missing to do a full review of this code?

>  	struct uprobe *uprobe = NULL;
>  	struct vm_area_struct *vma;
>  
> +	uprobe = find_active_uprobe_speculative(bp_vaddr);
> +	if (uprobe)
> +		return uprobe;
> +
>  	mmap_read_lock(mm);
>  	vma = vma_lookup(mm, bp_vaddr);
>  	if (vma) {
> -- 
> 2.43.5
> 
> 




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