linux-kernel - Re: [PATCH net-next v10 06/14] page

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <31b376371d52797894809ad8a2edd4b76a76775f.camel@redhat.com>
Date: Tue, 04 Jun 2024 12:23:48 +0200
From: Paolo Abeni <pabeni@...hat.com>
To: Mina Almasry <almasrymina@...gle.com>, netdev@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org, 
	linux-alpha@...r.kernel.org, linux-mips@...r.kernel.org, 
	linux-parisc@...r.kernel.org, sparclinux@...r.kernel.org, 
	linux-trace-kernel@...r.kernel.org, linux-arch@...r.kernel.org, 
	bpf@...r.kernel.org, linux-kselftest@...r.kernel.org, 
	linux-media@...r.kernel.org, dri-devel@...ts.freedesktop.org
Cc: "David S. Miller" <davem@...emloft.net>, Eric Dumazet
 <edumazet@...gle.com>,  Jakub Kicinski <kuba@...nel.org>, Donald Hunter
 <donald.hunter@...il.com>, Jonathan Corbet <corbet@....net>, Richard
 Henderson <richard.henderson@...aro.org>, Ivan Kokshaysky
 <ink@...assic.park.msu.ru>, Matt Turner <mattst88@...il.com>, Thomas
 Bogendoerfer <tsbogend@...ha.franken.de>, "James E.J. Bottomley"
 <James.Bottomley@...senPartnership.com>, Helge Deller <deller@....de>, 
 Andreas Larsson <andreas@...sler.com>, Jesper Dangaard Brouer
 <hawk@...nel.org>, Ilias Apalodimas <ilias.apalodimas@...aro.org>, Steven
 Rostedt <rostedt@...dmis.org>, Masami Hiramatsu <mhiramat@...nel.org>,
 Mathieu Desnoyers <mathieu.desnoyers@...icios.com>, Arnd Bergmann
 <arnd@...db.de>, Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann
 <daniel@...earbox.net>, Andrii Nakryiko <andrii@...nel.org>, Martin KaFai
 Lau <martin.lau@...ux.dev>, Eduard Zingerman <eddyz87@...il.com>, Song Liu
 <song@...nel.org>, Yonghong Song <yonghong.song@...ux.dev>, John Fastabend
 <john.fastabend@...il.com>, KP Singh <kpsingh@...nel.org>, Stanislav
 Fomichev <sdf@...gle.com>, Hao Luo <haoluo@...gle.com>, Jiri Olsa
 <jolsa@...nel.org>,  Steffen Klassert <steffen.klassert@...unet.com>,
 Herbert Xu <herbert@...dor.apana.org.au>, David Ahern <dsahern@...nel.org>,
 Willem de Bruijn <willemdebruijn.kernel@...il.com>,  Shuah Khan
 <shuah@...nel.org>, Sumit Semwal <sumit.semwal@...aro.org>, Christian
 König <christian.koenig@....com>, Pavel Begunkov
 <asml.silence@...il.com>, David Wei <dw@...idwei.uk>, Jason Gunthorpe
 <jgg@...pe.ca>, Yunsheng Lin <linyunsheng@...wei.com>, Shailend Chand
 <shailend@...gle.com>, Harshitha Ramamurthy <hramamurthy@...gle.com>,
 Shakeel Butt <shakeel.butt@...ux.dev>, Jeroen de Borst
 <jeroendb@...gle.com>, Praveen Kaligineedi <pkaligineedi@...gle.com>, 
 linux-mm@...ck.org, Matthew Wilcox <willy@...radead.org>
Subject: Re: [PATCH net-next v10 06/14] page_pool: convert to use netmem

On Thu, 2024-05-30 at 20:16 +0000, Mina Almasry wrote:
> diff --git a/include/trace/events/page_pool.h b/include/trace/events/page_pool.h
> index 6834356b2d2ae..c5b6383ff2760 100644
> --- a/include/trace/events/page_pool.h
> +++ b/include/trace/events/page_pool.h
> @@ -42,51 +42,52 @@ TRACE_EVENT(page_pool_release,
>  TRACE_EVENT(page_pool_state_release,
>  
>  	TP_PROTO(const struct page_pool *pool,
> -		 const struct page *page, u32 release),
> +		 netmem_ref netmem, u32 release),

This causes a sparse warning, as the caller is still passing a 'page'
argument.

>  
> -	TP_ARGS(pool, page, release),
> +	TP_ARGS(pool, netmem, release),
>  
>  	TP_STRUCT__entry(
>  		__field(const struct page_pool *,	pool)
> -		__field(const struct page *,		page)
> +		__field(netmem_ref,			netmem)
>  		__field(u32,				release)
>  		__field(unsigned long,			pfn)
>  	),
>  
>  	TP_fast_assign(
>  		__entry->pool		= pool;
> -		__entry->page		= page;
> +		__entry->netmem		= netmem;
>  		__entry->release	= release;
> -		__entry->pfn		= page_to_pfn(page);
> +		__entry->pfn		= netmem_to_pfn(netmem);
>  	),
>  
> -	TP_printk("page_pool=%p page=%p pfn=0x%lx release=%u",
> -		  __entry->pool, __entry->page, __entry->pfn, __entry->release)
> +	TP_printk("page_pool=%p netmem=%lu pfn=0x%lx release=%u",
> +		  __entry->pool, (__force unsigned long)__entry->netmem,
> +		  __entry->pfn, __entry->release)
>  );
>  
>  TRACE_EVENT(page_pool_state_hold,
>  
>  	TP_PROTO(const struct page_pool *pool,
> -		 const struct page *page, u32 hold),
> +		 netmem_ref netmem, u32 hold),

Same here.

Thanks,

Paolo