From: Suzuki.Poulose@arm.com (Suzuki K Poulose)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 05/20] arm64: capabilities: Add flags to handle the conflicts on late CPU
Date: Wed, 7 Feb 2018 16:53:02 +0000 [thread overview]
Message-ID: <ab56a18c-a022-a6f5-05f7-b35b09ba74f6@arm.com> (raw)
In-Reply-To: <7221b67c-6581-93bd-ebb3-7e48736ecb02@arm.com>
On 07/02/18 11:31, Robin Murphy wrote:
> On 07/02/18 10:38, Dave Martin wrote:
>> On Wed, Jan 31, 2018 at 06:27:52PM +0000, Suzuki K Poulose wrote:
...
>>> Case (b) is not permitted for errata work arounds which requires some work
>>> around, which cannot be delayed. And we ignore (b) for features. Here, yet
>>
>> Nit, maybe:
>>
>> "Case (b) is not permitted for any errata workaround that cannot be
>> activated if the kernel has finished booting and has not already enabled
>> it."
>
> Nit^2: I think it would suffice to say "...that cannot be activated after the kernel has finished booting." - since we don't really have the concept of *de*activating workarounds, it is already implicit in that statement that the one in question wasn't activated *before* the kernel finished booting.
Robin, Dave,
I have updated the comments accordingly.
Thanks a lot for the review
Suzuki
next prev parent reply other threads:[~2018-02-07 16:53 UTC|newest]
Thread overview: 78+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-31 18:27 [PATCH v2 00/20] arm64: Rework cpu capabilities handling Suzuki K Poulose
2018-01-31 18:27 ` [PATCH v2 01/20] arm64: capabilities: Update prototype for enable call back Suzuki K Poulose
2018-02-07 10:37 ` Dave Martin
2018-02-07 11:23 ` Robin Murphy
2018-01-31 18:27 ` [PATCH v2 02/20] arm64: capabilities: Move errata work around check on boot CPU Suzuki K Poulose
2018-02-07 10:37 ` Dave Martin
2018-02-07 14:47 ` Suzuki K Poulose
2018-01-31 18:27 ` [PATCH v2 03/20] arm64: capabilities: Move errata processing code Suzuki K Poulose
2018-02-07 10:37 ` Dave Martin
2018-01-31 18:27 ` [PATCH v2 04/20] arm64: capabilities: Prepare for fine grained capabilities Suzuki K Poulose
2018-02-07 10:37 ` Dave Martin
2018-02-07 15:16 ` Suzuki K Poulose
2018-02-07 15:39 ` Dave Martin
2018-01-31 18:27 ` [PATCH v2 05/20] arm64: capabilities: Add flags to handle the conflicts on late CPU Suzuki K Poulose
2018-02-07 10:38 ` Dave Martin
2018-02-07 11:31 ` Robin Murphy
2018-02-07 16:53 ` Suzuki K Poulose [this message]
2018-01-31 18:27 ` [PATCH v2 06/20] arm64: capabilities: Unify the verification Suzuki K Poulose
2018-02-07 10:38 ` Dave Martin
2018-02-07 16:56 ` Suzuki K Poulose
2018-01-31 18:27 ` [PATCH v2 07/20] arm64: capabilities: Filter the entries based on a given mask Suzuki K Poulose
2018-02-07 10:38 ` Dave Martin
2018-02-07 17:01 ` Suzuki K Poulose
2018-01-31 18:27 ` [PATCH v2 08/20] arm64: capabilities: Group handling of features and errata Suzuki K Poulose
2018-02-07 10:38 ` Dave Martin
2018-02-08 12:10 ` Suzuki K Poulose
2018-02-08 12:12 ` [PATCH 1/2] arm64: capabilities: Allow flexibility in scope Suzuki K Poulose
2018-02-08 12:12 ` [PATCH 2/2] arm64: capabilities: Group handling of features and errata workarounds Suzuki K Poulose
2018-02-08 16:10 ` [PATCH 1/2] arm64: capabilities: Allow flexibility in scope Dave Martin
2018-02-08 16:31 ` Suzuki K Poulose
2018-02-08 17:32 ` Dave Martin
2018-02-09 12:16 ` Suzuki K Poulose
2018-02-09 12:16 ` [PATCH 1/4] arm64: capabilities: Prepare for grouping features and errata work arounds Suzuki K Poulose
2018-02-09 12:16 ` [PATCH 2/4] arm64: capabilities: Split the processing of " Suzuki K Poulose
2018-02-09 12:16 ` [PATCH 3/4] arm64: capabilities: Allow features based on local CPU scope Suzuki K Poulose
2018-02-09 12:16 ` [PATCH 4/4] arm64: capabilities: Group handling of features and errata workarounds Suzuki K Poulose
2018-02-09 12:19 ` Suzuki K Poulose
2018-02-09 14:21 ` [PATCH 1/2] arm64: capabilities: Allow flexibility in scope Dave Martin
2018-01-31 18:27 ` [PATCH v2 09/20] arm64: capabilities: Introduce weak features based on local CPU Suzuki K Poulose
2018-02-07 10:38 ` Dave Martin
2018-01-31 18:27 ` [PATCH v2 10/20] arm64: capabilities: Restrict KPTI detection to boot-time CPUs Suzuki K Poulose
2018-02-07 10:38 ` Dave Martin
2018-02-07 18:15 ` Suzuki K Poulose
2018-02-08 11:05 ` Dave Martin
2018-01-31 18:27 ` [PATCH v2 11/20] arm64: capabilities: Add support for features enabled early Suzuki K Poulose
2018-02-07 10:38 ` Dave Martin
2018-02-07 18:34 ` Suzuki K Poulose
2018-02-08 11:35 ` Dave Martin
2018-02-08 11:43 ` Suzuki K Poulose
2018-01-31 18:27 ` [PATCH v2 12/20] arm64: capabilities: Change scope of VHE to Boot CPU feature Suzuki K Poulose
2018-02-07 10:39 ` Dave Martin
2018-01-31 18:28 ` [PATCH v2 13/20] arm64: capabilities: Clean up midr range helpers Suzuki K Poulose
2018-02-07 10:39 ` Dave Martin
2018-01-31 18:28 ` [PATCH v2 14/20] arm64: Add helpers for checking CPU MIDR against a range Suzuki K Poulose
2018-02-07 10:39 ` Dave Martin
2018-01-31 18:28 ` [PATCH v2 15/20] arm64: capabilities: Add support for checks based on a list of MIDRs Suzuki K Poulose
2018-02-07 10:39 ` Dave Martin
2018-01-31 18:28 ` [PATCH v2 16/20] arm64: Handle shared capability entries Suzuki K Poulose
2018-02-07 10:39 ` Dave Martin
2018-02-08 10:53 ` Suzuki K Poulose
2018-02-08 12:01 ` Dave Martin
2018-02-08 12:32 ` Robin Murphy
2018-02-09 10:05 ` Dave Martin
2018-02-08 12:04 ` Dave Martin
2018-02-08 12:05 ` Suzuki K Poulose
2018-01-31 18:28 ` [PATCH v2 17/20] arm64: bp hardening: Allow late CPUs to enable work around Suzuki K Poulose
2018-02-07 10:39 ` Dave Martin
2018-02-08 12:19 ` Suzuki K Poulose
2018-02-08 12:26 ` Marc Zyngier
2018-02-08 16:58 ` Suzuki K Poulose
2018-02-08 17:59 ` Suzuki K Poulose
2018-02-08 17:59 ` Suzuki K Poulose
2018-01-31 18:28 ` [PATCH v2 18/20] arm64: Add MIDR encoding for Arm Cortex-A55 and Cortex-A35 Suzuki K Poulose
2018-02-07 10:39 ` Dave Martin
2018-01-31 18:28 ` [PATCH v2 19/20] arm64: Delay enabling hardware DBM feature Suzuki K Poulose
2018-02-07 10:40 ` Dave Martin
2018-01-31 18:28 ` [PATCH v2 20/20] arm64: Add work around for Arm Cortex-A55 Erratum 1024718 Suzuki K Poulose
2018-02-07 10:40 ` Dave Martin
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