From: Daniel Lezcano <daniel.lezcano@linaro.org>
To: Marc Zyngier <marc.zyngier@arm.com>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Cc: Russell King <linux@arm.linux.org.uk>,
Will Deacon <will.deacon@arm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Wim Van Sebroeck <wim@linux-watchdog.org>,
Guenter Roeck <linux@roeck-us.net>,
Valentin Schneider <valentin.schneider@arm.com>
Subject: Re: [PATCH 4/7] clocksource/arm_arch_timer: Direcly assign set_next_event workaround
Date: Thu, 11 Apr 2019 19:17:58 +0200 [thread overview]
Message-ID: <0d051de8-35a9-61bd-5ac0-7180f19f7c01@linaro.org> (raw)
In-Reply-To: <20190408154907.223536-5-marc.zyngier@arm.com>
On 08/04/2019 17:49, Marc Zyngier wrote:
> When a given timer is affected by an erratum and requires an
> alternative implementation of set_next_event, we do a rather
> complicated dance to detect and call the workaround on each
> set_next_event call.
>
> This is clearly idiotic, as we can perfectly detect whether
> this CPU requires a workaround while setting up the clock event
> device.
>
> This only requires the CPU-specific detection to be done a bit
> earlier, and we can then safely override the set_next_event pointer
> if we have a workaround associated to that CPU.
>
> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Do you want me to take the patch ?
Otherwise:
Acked-by; Daniel Lezcano <daniel.lezcano@linaro.org>
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next prev parent reply other threads:[~2019-04-11 17:18 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-08 15:49 [PATCH 0/7] clocksource/arm_arch_timer: Removing the static branch on errata handling Marc Zyngier
2019-04-08 15:49 ` [PATCH 1/7] ARM: vdso: Remove dependency with the arch_timer driver internals Marc Zyngier
2019-04-08 15:58 ` Mark Rutland
2019-04-15 10:46 ` Marc Zyngier
2019-04-30 14:23 ` Will Deacon
2019-04-08 15:49 ` [PATCH 2/7] watchdog/sbsa: Use arch_timer_read_counter instead of arch_counter_get_cntvct Marc Zyngier
2019-04-08 15:59 ` Mark Rutland
2019-04-08 18:07 ` Guenter Roeck
2019-04-09 7:43 ` Marc Zyngier
2019-04-08 15:49 ` [PATCH 3/7] arm64: " Marc Zyngier
2019-04-08 15:59 ` Mark Rutland
2019-04-08 15:49 ` [PATCH 4/7] clocksource/arm_arch_timer: Direcly assign set_next_event workaround Marc Zyngier
2019-04-08 16:02 ` Mark Rutland
2019-04-11 17:17 ` Daniel Lezcano [this message]
2019-04-15 10:18 ` Marc Zyngier
2019-04-08 15:49 ` [PATCH 5/7] clocksource/arm_arch_timer: Drop use of static key in arch_timer_reg_read_stable Marc Zyngier
2019-04-08 16:04 ` Mark Rutland
2019-04-15 11:04 ` Daniel Lezcano
2019-04-08 15:49 ` [PATCH 6/7] clocksource/arm_arch_timer: Remove use of workaround static key Marc Zyngier
2019-04-08 16:05 ` Mark Rutland
2019-04-15 11:07 ` Daniel Lezcano
2019-04-08 15:49 ` [PATCH 7/7] clocksource/arm_arch_timer: Use arch_timer_read_counter to access stable counters Marc Zyngier
2019-04-08 16:08 ` Mark Rutland
2019-04-15 12:16 ` Daniel Lezcano
2019-04-30 15:27 ` Marc Zyngier
2019-04-30 15:39 ` Valentin Schneider
2019-05-03 20:32 ` Daniel Lezcano
2019-05-03 20:31 ` Daniel Lezcano
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