From: Neeraj Upadhyay <Neeraj.Upadhyay@amd.com>
To: paulmck@kernel.org
Cc: rcu@vger.kernel.org, linux-kernel@vger.kernel.org,
kernel-team@meta.com, rostedt@goodmis.org,
Alexei Starovoitov <ast@kernel.org>,
Andrii Nakryiko <andrii@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Kent Overstreet <kent.overstreet@linux.dev>,
bpf@vger.kernel.org
Subject: Re: [PATCH rcu 11/15] rcutorture: Add reader_flavor parameter for SRCU readers
Date: Wed, 13 Nov 2024 08:50:27 +0530 [thread overview]
Message-ID: <e6492627-7ef8-416b-af74-b7026de93b43@amd.com> (raw)
In-Reply-To: <d27da29c-7499-4f08-b582-a2bbb9b3c1c7@paulmck-laptop>
>>>
>>> static int srcu_torture_read_lock(void)
>>> {
>>> - if (cur_ops == &srcud_ops)
>>> - return srcu_read_lock_nmisafe(srcu_ctlp);
>>> - else
>>> - return srcu_read_lock(srcu_ctlp);
>>> + int idx;
>>> + int ret = 0;
>>> +
>>> + if ((reader_flavor & 0x1) || !(reader_flavor & 0x7)) {
>>
>> Minor: Maybe use macros in place of 0x1, 0x2, 0x7 as a cleanup later.
>
> Hmmm...
>
> I could move SRCU_READ_FLAVOR_* to include/linux/srcu.h and make
> rcutorture use those. Plus have a combined mask for the instances of 0x7.
>
> Or is there a better way?
>
Yes, I was thinking the same. This looks good.
- Neeraj
next prev parent reply other threads:[~2024-11-13 3:20 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <ddf64299-de71-41a2-b575-56ec173faf75@paulmck-laptop>
2024-10-15 16:10 ` [PATCH rcu 01/15] srcu: Rename srcu_might_be_idle() to srcu_should_expedite() Paul E. McKenney
2024-10-15 16:10 ` [PATCH rcu 02/15] srcu: Introduce srcu_gp_is_expedited() helper function Paul E. McKenney
2024-10-15 16:11 ` [PATCH rcu 03/15] srcu: Renaming in preparation for additional reader flavor Paul E. McKenney
2024-10-15 16:11 ` [PATCH rcu 04/15] srcu: Bit manipulation changes " Paul E. McKenney
2024-10-15 16:11 ` [PATCH rcu 05/15] srcu: Standardize srcu_data pointers to "sdp" and similar Paul E. McKenney
2024-10-15 16:11 ` [PATCH rcu 07/15] srcu: Create CPP macros for normal and NMI-safe SRCU readers Paul E. McKenney
2024-10-15 16:11 ` [PATCH rcu 08/15] srcu: Add srcu_read_lock_lite() and srcu_read_unlock_lite() Paul E. McKenney
2024-11-04 23:27 ` Frederic Weisbecker
2024-11-05 0:39 ` Paul E. McKenney
2024-11-11 11:17 ` Neeraj Upadhyay
2024-11-11 15:17 ` Paul E. McKenney
2024-11-11 17:46 ` Andrii Nakryiko
2024-11-11 17:51 ` Paul E. McKenney
2024-10-15 16:11 ` [PATCH rcu 09/15] srcu: Allow inlining of __srcu_read_{,un}lock_lite() Paul E. McKenney
2024-10-15 16:11 ` [PATCH rcu 10/15] rcutorture: Expand RCUTORTURE_RDR_MASK_[12] to eight bits Paul E. McKenney
2024-10-15 16:11 ` [PATCH rcu 11/15] rcutorture: Add reader_flavor parameter for SRCU readers Paul E. McKenney
2024-11-12 4:42 ` Neeraj Upadhyay
2024-11-12 19:27 ` Paul E. McKenney
2024-11-13 3:20 ` Neeraj Upadhyay [this message]
2024-10-15 16:11 ` [PATCH rcu 12/15] rcutorture: Add srcu_read_lock_lite() support to rcutorture.reader_flavor Paul E. McKenney
2024-10-15 16:11 ` [PATCH rcu 13/15] rcutorture: Add light-weight SRCU scenario Paul E. McKenney
2024-10-15 16:11 ` [PATCH rcu 14/15] refscale: Add srcu_read_lock_lite() support using "srcu-lite" Paul E. McKenney
2024-10-29 0:25 ` [PATCH rcu v4 " Paul E. McKenney
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