From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: K Prateek Nayak <kprateek.nayak@amd.com>
Cc: linux-kernel@vger.kernel.org,
"Gautham R. Shenoy" <gautham.shenoy@amd.com>,
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Subject: Re: [PATCH v2 00/14] Introducing TIF_NOTIFY_IPI flag
Date: Sat, 15 Jun 2024 15:26:42 +0100 [thread overview]
Message-ID: <Zm2kouKx/NSSrr6x@shell.armlinux.org.uk> (raw)
In-Reply-To: <20240613181613.4329-1-kprateek.nayak@amd.com>
On Thu, Jun 13, 2024 at 06:15:59PM +0000, K Prateek Nayak wrote:
> o Dropping the ARM results since I never got my hands on the ARM64
> system I used in my last testing. If I do manage to get my hands on it
> again, I'll rerun the experiments and share the results on the thread.
> To test the case where TIF_NOTIFY_IPI is not enabled for a particular
> architecture, I applied the series only until Patch 3 and tested the
> same on my x86 machine with a WARN_ON_ONCE() in do_idle() to check if
> tif_notify_ipi() ever return true and then repeated the same with
> Patch 4 applied.
Confused. ARM (32-bit) or ARM64? You patch 32-bit ARM, but you don't
touch 64-bit Arm. "ARM" on its own in the context above to me suggests
32-bit, since you refer to ARM64 later.
--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!
next prev parent reply other threads:[~2024-06-15 14:27 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-13 18:15 [PATCH v2 00/14] Introducing TIF_NOTIFY_IPI flag K Prateek Nayak
2024-06-13 18:16 ` [PATCH v2 01/14] thread_info: Add helpers to test and clear TIF_NOTIFY_IPI K Prateek Nayak
2024-06-13 18:16 ` [PATCH v2 02/14] sched: Define a need_resched_or_ipi() helper and use it treewide K Prateek Nayak
2024-06-13 18:16 ` [PATCH v2 03/14] sched/core: Use TIF_NOTIFY_IPI to notify an idle CPU in TIF_POLLING mode of pending IPI K Prateek Nayak
2024-06-13 18:16 ` [PATCH v2 11/14] csky/thread_info: Introduce TIF_NOTIFY_IPI flag K Prateek Nayak
2024-06-15 17:13 ` Guo Ren
2024-06-14 9:28 ` [PATCH v2 00/14] Introducing " Peter Zijlstra
2024-06-14 10:48 ` Vincent Guittot
2024-06-14 16:31 ` Chen Yu
2024-06-17 8:33 ` K Prateek Nayak
2024-06-18 7:49 ` Chen Yu
2024-06-18 18:33 ` K Prateek Nayak
2024-06-20 7:30 ` Chen Yu
2024-06-15 1:28 ` Peter Zijlstra
2024-06-15 1:45 ` Peter Zijlstra
2024-06-16 14:57 ` Vincent Guittot
2024-06-17 5:52 ` K Prateek Nayak
2024-06-15 1:42 ` Peter Zijlstra
2024-06-15 14:26 ` Russell King (Oracle) [this message]
2024-06-17 4:35 ` K Prateek Nayak
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