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Re: [PATCH 2/5] arm64: cpufeature: Track unsigned fields

From "Suzuki K. Poulose" <Suzuki.Poulose@arm.com>
Newsgroups linux.kernel
Subject Re: [PATCH 2/5] arm64: cpufeature: Track unsigned fields
Date 2015-11-19 11:10 +0100
Message-ID <qwuka-7U6-27@gated-at.bofh.it> (permalink)
References <qwep4-5SC-3@gated-at.bofh.it> <qwep4-5SC-5@gated-at.bofh.it> <qwep4-5SC-13@gated-at.bofh.it> <qwpu9-4BN-9@gated-at.bofh.it> <qwuk9-7U6-15@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 19/11/15 10:03, Suzuki K. Poulose wrote:
> On 19/11/15 04:57, AKASHI Takahiro wrote:
>> Hi
>>
>>  From my curiosity,
>> can you please clarify your criteria regarding which fields of a register should be signed or unsigned?
>> I guessed that the fields marked with FTR_LOWER_SAFE or FTR_HIGHER_SAFE could be unsigned,

Also, the unsigned values are not restricted to LOWER_SAFE/HIGHER_SAFE, but also applies for
FTR_EXACT, so that we use the appropriate methods to extract them.


Suzuki

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Thread

[PATCH 0/5] arm64: cpufeature: Fixes for 4.4-rc1 "Suzuki K. Poulose" <suzuki.poulose@arm.com> - 2015-11-18 18:10 +0100
  [PATCH 1/5] arm64: cpufeature: Add helpers for extracting unsigned values "Suzuki K. Poulose" <suzuki.poulose@arm.com> - 2015-11-18 18:10 +0100
    [PATCH 4/5] arm64: Make fail_incapable_cpu reusable "Suzuki K. Poulose" <suzuki.poulose@arm.com> - 2015-11-18 18:10 +0100
    [PATCH 2/5] arm64: cpufeature: Track unsigned fields "Suzuki K. Poulose" <suzuki.poulose@arm.com> - 2015-11-18 18:10 +0100
      Re: [PATCH 2/5] arm64: cpufeature: Track unsigned fields AKASHI Takahiro <takahiro.akashi@linaro.org> - 2015-11-19 06:00 +0100
        Re: [PATCH 2/5] arm64: cpufeature: Track unsigned fields "Suzuki K. Poulose" <Suzuki.Poulose@arm.com> - 2015-11-19 11:10 +0100
          Re: [PATCH 2/5] arm64: cpufeature: Track unsigned fields "Suzuki K. Poulose" <Suzuki.Poulose@arm.com> - 2015-11-19 11:10 +0100
          Re: [PATCH 2/5] arm64: cpufeature: Track unsigned fields Catalin Marinas <catalin.marinas@arm.com> - 2015-11-19 19:50 +0100
            Re: [PATCH 2/5] arm64: cpufeature: Track unsigned fields "Suzuki K. Poulose" <Suzuki.Poulose@arm.com> - 2015-11-20 14:40 +0100
    [PATCH 5/5] arm64: Ensure the secondary CPUs have safe ASIDBits size "Suzuki K. Poulose" <suzuki.poulose@arm.com> - 2015-11-18 18:10 +0100
      Re: [PATCH 5/5] arm64: Ensure the secondary CPUs have safe ASIDBits  size Will Deacon <will.deacon@arm.com> - 2015-11-23 18:30 +0100
        Re: [PATCH 5/5] arm64: Ensure the secondary CPUs have safe ASIDBits  size "Suzuki K. Poulose" <Suzuki.Poulose@arm.com> - 2015-11-24 00:50 +0100
    [PATCH 3/5] arm64: debug: Treat the BRPs/WRPs as unsigned "Suzuki K. Poulose" <suzuki.poulose@arm.com> - 2015-11-18 18:20 +0100
      Re: [PATCH 3/5] arm64: debug: Treat the BRPs/WRPs as unsigned Will Deacon <will.deacon@arm.com> - 2015-11-23 18:40 +0100
  Re: [PATCH 0/5] arm64: cpufeature: Fixes for 4.4-rc1 Catalin Marinas <catalin.marinas@arm.com> - 2015-11-26 19:20 +0100

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