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From: mark.rutland@arm.com (Mark Rutland)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 01/11] Initialize the mapping of KASan shadow memory
Date: Thu, 23 Nov 2017 15:31:34 +0000	[thread overview]
Message-ID: <20171123153133.mwyuxthy2ysktx7c@lakrids.cambridge.arm.com> (raw)
In-Reply-To: <B8AC3E80E903784988AB3003E3E97330C0069032@dggemm510-mbx.china.huawei.com>

On Wed, Nov 22, 2017 at 12:56:44PM +0000, Liuwenliang (Abbott Liu) wrote:
> +static inline u64 get_ttbr0(void)
> +{
> + if (IS_ENABLED(CONFIG_ARM_LPAE))
> +         return read_sysreg(TTBR0_64);
> + else
> +         return (u64)read_sysreg(TTBR0_32);
> +}

> +static inline u64 get_ttbr1(void)
> +{
> + if (IS_ENABLED(CONFIG_ARM_LPAE))
> +         return read_sysreg(TTBR1_64);
> + else
> +         return (u64)read_sysreg(TTBR1_32);
> +}

In addition to the whitespace damage that need to be fixed, there's no
need for the u64 casts here. The compiler will implicitly cast to the
return type, and as u32 and u64 are both arithmetic types, we don't need
an explicit cast here.

Thanks,
Mark.

  parent reply	other threads:[~2017-11-23 15:31 UTC|newest]

Thread overview: 85+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-11  8:22 [PATCH 00/11] KASan for arm Abbott Liu
2017-10-11  8:22 ` [PATCH 01/11] Initialize the mapping of KASan shadow memory Abbott Liu
2017-10-11 19:39   ` Florian Fainelli
2017-10-11 21:41     ` Russell King - ARM Linux
2017-10-17 13:28       ` Liuwenliang (Lamb)
2017-10-11 23:42   ` Dmitry Osipenko
2017-10-19  6:52     ` Liuwenliang (Lamb)
2017-10-19 12:01     ` Russell King - ARM Linux
2018-02-26 13:09       ` 答复: " Liuwenliang (Abbott Liu)
2017-10-12  7:58   ` Marc Zyngier
2017-11-09  7:46     ` Liuwenliang (Abbott Liu)
2017-11-09 10:10       ` Marc Zyngier
2017-11-15 10:20         ` Liuwenliang (Abbott Liu)
2017-11-15 10:35           ` Marc Zyngier
2017-11-15 13:16             ` Liuwenliang (Abbott Liu)
2017-11-15 13:54               ` Marc Zyngier
2017-11-16  3:07                 ` Liuwenliang (Abbott Liu)
2017-11-16  9:54                   ` Marc Zyngier
2017-11-16 14:24                     ` Liuwenliang (Abbott Liu)
2017-11-16 14:40                       ` Marc Zyngier
2017-11-17  1:39                         ` 答复: " Liuwenliang (Abbott Liu)
2017-11-17  7:18                         ` Liuwenliang (Abbott Liu)
2017-11-17  7:35                           ` Christoffer Dall
2017-11-18 10:40                             ` Liuwenliang (Abbott Liu)
2017-11-18 13:48                               ` Marc Zyngier
2017-11-21  7:59                                 ` 答复: " Liuwenliang (Abbott Liu)
2017-11-21  9:40                                   ` Russell King - ARM Linux
2017-11-21  9:46                                   ` Marc Zyngier
2017-11-21 12:29                                   ` Mark Rutland
2017-11-22 12:56                                     ` Liuwenliang (Abbott Liu)
2017-11-22 13:06                                       ` Marc Zyngier
2017-11-23  1:54                                         ` Liuwenliang (Abbott Liu)
2017-11-23 15:22                                           ` Russell King - ARM Linux
2017-11-27  1:23                                             ` Liuwenliang (Abbott Liu)
2017-11-23 15:31                                       ` Mark Rutland [this message]
2017-11-27  1:26                                         ` 答复: " Liuwenliang (Abbott Liu)
2017-10-19 11:09   ` Russell King - ARM Linux
2018-02-24 14:28     ` Liuwenliang (Abbott Liu)
2017-10-11  8:22 ` [PATCH 02/11] replace memory function Abbott Liu
2017-10-19 12:05   ` Russell King - ARM Linux
2017-10-22 12:42     ` 答复: " Liuwenliang (Lamb)
2017-10-11  8:22 ` [PATCH 03/11] arm: Kconfig: enable KASan Abbott Liu
2017-10-11 19:15   ` Florian Fainelli
2017-10-19 12:34     ` Russell King - ARM Linux
2017-10-22 12:27       ` Liuwenliang (Lamb)
2017-10-11  8:22 ` [PATCH 04/11] Define the virtual space of KASan's shadow region Abbott Liu
2017-10-14 11:41   ` kbuild test robot
2017-10-16 11:42     ` Liuwenliang (Lamb)
2017-10-16 12:14       ` Ard Biesheuvel
2017-10-17 11:27         ` Liuwenliang (Lamb)
2017-10-17 11:52           ` Ard Biesheuvel
2017-10-17 13:02             ` Liuwenliang (Lamb)
2017-10-19 12:43           ` Russell King - ARM Linux
2017-10-22 12:12             ` Liuwenliang (Lamb)
2017-10-19 12:41         ` Russell King - ARM Linux
2017-10-19 12:40       ` Russell King - ARM Linux
2017-10-11  8:22 ` [PATCH 05/11] Disable kasan's instrumentation Abbott Liu
2017-10-11 19:16   ` Florian Fainelli
2017-10-19 12:47   ` Russell King - ARM Linux
2017-11-15 10:19     ` Liuwenliang (Abbott Liu)
2017-10-11  8:22 ` [PATCH 06/11] change memory_is_poisoned_16 for aligned error Abbott Liu
2017-10-11 23:23   ` Andrew Morton
2017-10-12  7:16     ` Dmitry Vyukov
2017-10-12 11:27       ` Liuwenliang (Lamb)
2017-10-19 12:51         ` Russell King - ARM Linux
2017-12-05 14:19           ` Liuwenliang (Abbott Liu)
2017-12-05 17:08             ` Ard Biesheuvel
2017-10-11  8:22 ` [PATCH 07/11] Avoid cleaning the KASan shadow area's mapping table Abbott Liu
2017-10-11  8:22 ` [PATCH 08/11] Add support arm LPAE Abbott Liu
2017-10-11  8:22 ` [PATCH 09/11] Don't need to map the shadow of KASan's shadow memory Abbott Liu
2017-10-19 12:55   ` Russell King - ARM Linux
2017-10-22 12:31     ` Liuwenliang (Lamb)
2017-10-11  8:22 ` [PATCH 10/11] Change mapping of kasan_zero_page int readonly Abbott Liu
2017-10-11 19:19   ` Florian Fainelli
2017-10-11  8:22 ` [PATCH 11/11] Add KASan layout Abbott Liu
2017-10-11 19:13 ` [PATCH 00/11] KASan for arm Florian Fainelli
2017-10-11 19:50   ` Florian Fainelli
     [not found]     ` <44c86924-930b-3eff-55b8-b02c9060ebe3@gmail.com>
2017-10-11 22:10       ` Laura Abbott
2017-10-11 22:58         ` Russell King - ARM Linux
2017-10-17 12:41           ` Liuwenliang (Lamb)
2017-10-12  4:55       ` Liuwenliang (Lamb)
2017-10-12  7:38 ` Arnd Bergmann
2017-10-17  1:04   ` 答复: " Liuwenliang (Lamb)
2018-02-13 18:40 ` Florian Fainelli
2018-02-23  2:10   ` Liuwenliang (Abbott Liu)

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