From: Jakub Kicinski <kuba@kernel.org>
To: Pedro Tammela <pctammela@mojatatu.com>
Cc: netdev@vger.kernel.org, davem@davemloft.net, edumazet@google.com,
pabeni@redhat.com, jhs@mojatatu.com, xiyou.wangcong@gmail.com,
jiri@resnulli.us, kuniyu@amazon.com
Subject: Re: [PATCH net-next v2 1/3] net/sched: add retpoline wrapper for tc
Date: Fri, 2 Dec 2022 10:13:31 -0800 [thread overview]
Message-ID: <20221202101331.178f0bcb@kernel.org> (raw)
In-Reply-To: <d2455b9f-78a3-81fe-46d5-c7aa03879294@mojatatu.com>
On Fri, 2 Dec 2022 09:48:49 -0300 Pedro Tammela wrote:
> > Most definitely not to this reader :) The less macro magic the better.
> > I'm primarily curious about whether the compiler treats this sort of
> > construct the same as a switch.
>
> Apparently we can't do a switch case in pointer addresses because the
> case condition must be constant.
Ack, thanks for checking!
next prev parent reply other threads:[~2022-12-02 18:13 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-28 15:44 [PATCH net-next v2 0/3] net/sched: retpoline wrappers for tc Pedro Tammela
2022-11-28 15:44 ` [PATCH net-next v2 1/3] net/sched: add retpoline wrapper " Pedro Tammela
2022-12-01 5:16 ` Jakub Kicinski
2022-12-01 16:40 ` Pedro Tammela
2022-12-01 22:38 ` Jakub Kicinski
2022-12-02 12:48 ` Pedro Tammela
2022-12-02 18:13 ` Jakub Kicinski [this message]
2022-12-01 11:10 ` Paolo Abeni
2022-12-05 4:56 ` Eric Dumazet
2022-11-28 15:44 ` [PATCH net-next v2 2/3] net/sched: avoid indirect act functions on retpoline kernels Pedro Tammela
2022-11-28 15:44 ` [PATCH net-next v2 3/3] net/sched: avoid indirect classify " Pedro Tammela
2022-12-01 11:05 ` [PATCH net-next v2 0/3] net/sched: retpoline wrappers for tc Paolo Abeni
2022-12-01 12:34 ` Jamal Hadi Salim
2022-12-04 23:13 ` Pedro Tammela
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