Re: [PATCH v8 10/18] RISC-V: Init and Halt Code

From	Dmitriy Cherkasov <dmitriy@oss-tech.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH v8 10/18] RISC-V: Init and Halt Code
Date	2017-09-16 23:40 +0200
Message-ID	<uqsYF-7fL-3@gated-at.bofh.it> (permalink)
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On 09/16/2017 06:28 AM, Daniel Lezcano wrote:
> On 16/09/2017 08:23, Dmitriy Cherkasov wrote:
>> On 09/13/2017 11:15 AM, Daniel Lezcano wrote:

>>>
>>> Where is get_cycles64() ?
>>
>> This is in asm/timex.h. Should this be split into a separate asm header
>> ala arm64?
> 
> No, it is fine but may be it is get_cycles(), no get_cycles64(), right?
> 

get_cycles() returns a 32 or 64-bit value depending on machine register width, 
using one assembly instruction to retrieve it.

get_cycles64() always returns a 64-bit value at the expense of a few more 
instructions on 32-bit systems.

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RISC-V Linux Port v8 Palmer Dabbelt <palmer@dabbelt.com> - 2017-09-13 00:00 +0200
  [PATCH v8 07/18] irqchip: RISC-V Local Interrupt Controller Driver Palmer Dabbelt <palmer@dabbelt.com> - 2017-09-13 00:00 +0200
  [PATCH v8 01/18] MAINTAINERS: Add RISC-V Palmer Dabbelt <palmer@dabbelt.com> - 2017-09-13 00:00 +0200
    Re: [PATCH v8 01/18] MAINTAINERS: Add RISC-V Joe Perches <joe@perches.com> - 2017-09-13 16:40 +0200
      Re: [PATCH v8 01/18] MAINTAINERS: Add RISC-V Palmer Dabbelt <palmer@dabbelt.com> - 2017-09-13 18:00 +0200
  [PATCH v8 02/18] lib: Add shared copies of some GCC library routines Palmer Dabbelt <palmer@dabbelt.com> - 2017-09-13 00:10 +0200
  [PATCH v8 04/18] dt-bindings: interrupt-controller: RISC-V PLIC documentation Palmer Dabbelt <palmer@dabbelt.com> - 2017-09-13 00:10 +0200
    Re: [PATCH v8 04/18] dt-bindings: interrupt-controller: RISC-V PLIC documentation Rob Herring <robh@kernel.org> - 2017-09-15 16:40 +0200
      Re: [PATCH v8 04/18] dt-bindings: interrupt-controller: RISC-V PLIC documentation Palmer Dabbelt <palmer@dabbelt.com> - 2017-09-15 18:30 +0200
  [PATCH v8 03/18] dt-bindings: interrupt-controller: RISC-V local interrupt controller docs Palmer Dabbelt <palmer@dabbelt.com> - 2017-09-13 00:10 +0200
  [PATCH v8 08/18] irqchip: New RISC-V PLIC Driver Palmer Dabbelt <palmer@dabbelt.com> - 2017-09-13 00:10 +0200
    Re: [patches] [PATCH v8 08/18] irqchip: New RISC-V PLIC Driver Jonathan Neuschäfer <j.neuschaefer@gmx.net> - 2017-09-14 13:10 +0200
  [PATCH v8 09/18] tty: New RISC-V SBI console driver Palmer Dabbelt <palmer@dabbelt.com> - 2017-09-13 00:10 +0200
  [PATCH v8 13/18] RISC-V: ELF and module implementation Palmer Dabbelt <palmer@dabbelt.com> - 2017-09-13 00:10 +0200
  Re: [PATCH v8 10/18] RISC-V: Init and Halt Code Daniel Lezcano <daniel.lezcano@linaro.org> - 2017-09-13 20:20 +0200
    Re: [PATCH v8 10/18] RISC-V: Init and Halt Code Dmitriy Cherkasov <dmitriy@oss-tech.org> - 2017-09-16 08:30 +0200
      Re: [PATCH v8 10/18] RISC-V: Init and Halt Code Daniel Lezcano <daniel.lezcano@linaro.org> - 2017-09-16 15:30 +0200
        Re: [PATCH v8 10/18] RISC-V: Init and Halt Code Dmitriy Cherkasov <dmitriy@oss-tech.org> - 2017-09-16 23:40 +0200

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