linux-kernel - Re: [PATCH 1/5] arm64/sysreg: Remove some unused sysreg definitions

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Message-ID: <e2660ce1-7ac1-8413-8ef7-284592cce708@redhat.com>
Date:   Tue, 23 May 2023 19:31:51 +0800
From:   Shaoqin Huang <shahuang@...hat.com>
To:     Mark Brown <broonie@...nel.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>, Marc Zyngier <maz@...nel.org>,
        Oliver Upton <oliver.upton@...ux.dev>,
        James Morse <james.morse@....com>,
        Suzuki K Poulose <suzuki.poulose@....com>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        kvmarm@...ts.linux.dev
Subject: Re: [PATCH 1/5] arm64/sysreg: Remove some unused sysreg definitions



On 5/23/23 00:22, Mark Brown wrote:
> Since there are no references to OSDTRRX_EL1 or OSECCR_EL1 in the code
> just remove the definitions rather than converting to automatic
> generation.
> 
> Signed-off-by: Mark Brown <broonie@...nel.org>
Reviewed-by: Shaoqin Huang <shahuang@...hat.com>
> ---
>   arch/arm64/include/asm/sysreg.h | 3 ---
>   1 file changed, 3 deletions(-)
> 
> diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
> index 9e3ecba3c4e6..6505665624d4 100644
> --- a/arch/arm64/include/asm/sysreg.h
> +++ b/arch/arm64/include/asm/sysreg.h
> @@ -134,11 +134,8 @@
>   #define SYS_SVCR_SMSTART_SM_EL0		sys_reg(0, 3, 4, 3, 3)
>   #define SYS_SVCR_SMSTOP_SMZA_EL0	sys_reg(0, 3, 4, 6, 3)
>   
> -#define SYS_OSDTRRX_EL1			sys_reg(2, 0, 0, 0, 2)
>   #define SYS_MDCCINT_EL1			sys_reg(2, 0, 0, 2, 0)
>   #define SYS_MDSCR_EL1			sys_reg(2, 0, 0, 2, 2)
> -#define SYS_OSDTRTX_EL1			sys_reg(2, 0, 0, 3, 2)
> -#define SYS_OSECCR_EL1			sys_reg(2, 0, 0, 6, 2)
>   #define SYS_DBGBVRn_EL1(n)		sys_reg(2, 0, 0, n, 4)
>   #define SYS_DBGBCRn_EL1(n)		sys_reg(2, 0, 0, n, 5)
>   #define SYS_DBGWVRn_EL1(n)		sys_reg(2, 0, 0, n, 6)
> 

-- 
Shaoqin