From: Jakub Kicinski <kuba@kernel.org>
To: Eric Dumazet <edumazet@google.com>, David Ahern <dsahern@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
LKML <linux-kernel@vger.kernel.org>,
x86@kernel.org, "David S. Miller" <davem@davemloft.net>,
Paolo Abeni <pabeni@redhat.com>,
netdev@vger.kernel.org
Subject: Re: [patch V2 1/4] net: dst: Prevent false sharing vs. dst_entry::__refcnt
Date: Wed, 15 Mar 2023 13:36:59 -0700 [thread overview]
Message-ID: <20230315133659.4d608eb0@kernel.org> (raw)
In-Reply-To: <20230307125538.818862491@linutronix.de>
On Tue, 7 Mar 2023 13:57:42 +0100 (CET) Thomas Gleixner wrote:
> Move the rt[6i]_uncached[_list] members out of struct rtable and struct
> rt6_info into struct dst_entry to provide padding and move the lwtstate
> member after that so it ends up in the same cache line.
Eric, David, looks reasonable?
next prev parent reply other threads:[~2023-03-15 20:37 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-07 12:57 [patch V2 0/4] net, refcount: Address dst_entry reference count scalability issues Thomas Gleixner
2023-03-07 12:57 ` [patch V2 1/4] net: dst: Prevent false sharing vs. dst_entry::__refcnt Thomas Gleixner
2023-03-15 20:36 ` Jakub Kicinski [this message]
2023-03-15 20:47 ` Eric Dumazet
2023-03-15 22:26 ` David Ahern
2023-03-07 12:57 ` [patch V2 2/4] atomics: Provide atomic_add_and_negative() variants Thomas Gleixner
2023-03-22 13:20 ` Mark Rutland
2023-03-07 12:57 ` [patch V2 3/4] atomics: Provide rcuref - scalable reference counting Thomas Gleixner
2023-03-09 8:35 ` Qiuxu Zhuo
2023-03-20 16:05 ` Thomas Gleixner
2023-03-07 12:57 ` [patch V2 4/4] net: dst: Switch to rcuref_t " Thomas Gleixner
2023-03-07 17:55 ` Linus Torvalds
2023-03-07 23:00 ` Thomas Gleixner
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