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

From: Marc Zyngier
Date: Tue May 23 2023 - 07:40:14 EST


On Mon, 22 May 2023 17:22:40 +0100,
Mark Brown <broonie@xxxxxxxxxx> 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@xxxxxxxxxx>
> ---
> 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)

These registers are in active use by the NV patches. Please leave them
where they are or convert them to be generated.

M.

--
Without deviation from the norm, progress is not possible.