From: catalin.marinas@arm.com (Catalin Marinas)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 4/6] arm64: kernel: Add min_field_value and use '>=' for feature detection
Date: Tue, 21 Jul 2015 13:33:17 +0100 [thread overview]
Message-ID: <20150721123316.GC25887@localhost> (raw)
In-Reply-To: <1437481411-1595-5-git-send-email-james.morse@arm.com>
On Tue, Jul 21, 2015 at 01:23:29PM +0100, James Morse wrote:
> When a new cpu feature is available, the cpu feature bits will have some
> initial value, which is incremented when the feature is updated.
> This patch changes 'register_value' to be 'min_field_value', and checks
> the feature bits value (interpreted as a signed int) is greater than this
> minimum.
>
> Signed-off-by: James Morse <james.morse@arm.com>
> Cc: Catalin Marinas <catalin.marinas@arm.com>
> Cc: Will Deacon <will.deacon@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
next prev parent reply other threads:[~2015-07-21 12:33 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-21 12:23 [PATCH v3 0/6] arm64: kernel: Add support for Privileged Access Never James Morse
2015-07-21 12:23 ` [PATCH v3 1/6] arm64: kernel: Add cpuid_feature_extract_field() for 4bit sign extension James Morse
2015-07-21 12:32 ` Catalin Marinas
2015-07-21 12:23 ` [PATCH v3 2/6] arm64: kernel: preparatory: Move config_sctlr_el1 James Morse
2015-07-21 12:23 ` [PATCH v3 3/6] arm64: kernel: Add cpufeature 'enable' callback James Morse
2015-07-21 12:23 ` [PATCH v3 4/6] arm64: kernel: Add min_field_value and use '>=' for feature detection James Morse
2015-07-21 12:33 ` Catalin Marinas [this message]
2015-07-21 12:23 ` [PATCH v3 5/6] arm64: kernel: Add optional CONFIG_ parameter to ALTERNATIVE() James Morse
2015-07-21 12:23 ` [PATCH v3 6/6] arm64: kernel: Add support for Privileged Access Never James Morse
2015-07-21 12:38 ` Catalin Marinas
2015-07-22 17:01 ` Will Deacon
2015-07-22 18:04 ` James Morse
2015-07-22 18:14 ` Will Deacon
2015-07-23 7:58 ` James Morse
2015-07-22 18:05 ` [PATCH v4] " James Morse
2015-07-23 13:07 ` Will Deacon
2015-07-24 15:14 ` James Morse
2015-07-24 16:56 ` Will Deacon
2015-07-23 12:00 ` [PATCH v3 6/6] " Will Deacon
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