From: Segher Boessenkool <segher@kernel.crashing.org>
To: Nicholas Piggin <npiggin@gmail.com>
Cc: Paul Mackerras <paulus@ozlabs.org>, linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH 3/5] powerpc/microwatt: Define an idle power-save function
Date: Fri, 31 Jan 2025 10:32:55 -0600 [thread overview]
Message-ID: <20250131163255.GA20626@gate.crashing.org> (raw)
In-Reply-To: <D7EBXLB9JMZU.2T4WD5BP9C1GD@gmail.com>
On Wed, Jan 29, 2025 at 04:06:03PM +1000, Nicholas Piggin wrote:
> Does wait cause MSR[EE] to be set? If not, do you need to use
> prep_irq_for_idle_irqsoff() here maybe?
Assuming this does implement the standard ISA 2.03 wait instruction
(and it better), this does not do anything other than to stop fetching
and execution until some later event happens.
What values of the WC field does uwatt implement?
Segher
next prev parent reply other threads:[~2025-01-31 16:35 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-28 22:49 [PATCH 0/5] Microwatt updates Paul Mackerras
2025-01-28 22:51 ` [PATCH 1/5] powerpc/microwatt: Select COMMON_CLK in order to get the clock framework Paul Mackerras
2025-01-29 5:57 ` Nicholas Piggin
2025-01-28 22:52 ` [PATCH 2/5] powerpc/microwatt: Device-tree updates Paul Mackerras
2025-01-29 6:36 ` Nicholas Piggin
2025-01-29 7:18 ` Paul Mackerras
2025-01-29 8:20 ` Nicholas Piggin
2025-01-31 17:03 ` Segher Boessenkool
2025-01-31 16:55 ` Segher Boessenkool
2025-01-31 16:53 ` Segher Boessenkool
2025-01-31 16:48 ` Segher Boessenkool
2025-01-28 22:52 ` [PATCH 3/5] powerpc/microwatt: Define an idle power-save function Paul Mackerras
2025-01-29 6:06 ` Nicholas Piggin
2025-01-29 6:49 ` Paul Mackerras
2025-01-31 16:32 ` Segher Boessenkool [this message]
2025-02-01 1:41 ` Paul Mackerras
2025-01-31 16:25 ` Segher Boessenkool
2025-01-28 22:53 ` [PATCH 4/5] powerpc: Define config option for processors without broadcast TLBIE Paul Mackerras
2025-01-29 6:14 ` Nicholas Piggin
2025-01-29 7:10 ` Paul Mackerras
2025-01-29 8:17 ` Nicholas Piggin
2025-01-31 17:30 ` Segher Boessenkool
2025-01-31 17:26 ` Segher Boessenkool
2025-01-28 22:55 ` [PATCH 5/5] powerpc/microwatt: Add SMP support Paul Mackerras
2025-01-29 6:21 ` Nicholas Piggin
2025-01-29 6:57 ` Paul Mackerras
2025-01-29 8:12 ` Nicholas Piggin
2025-01-31 1:27 ` Paul Mackerras
2025-01-29 12:50 ` Michael Ellerman
2025-01-31 1:34 ` Paul Mackerras
2025-01-31 16:13 ` [PATCH 0/5] Microwatt updates Segher Boessenkool
2025-02-01 1:22 ` Paul Mackerras
2025-03-02 10:13 ` Gabriel Paubert
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