linux-kernel - RE: [PATCH RESEND] ARM: EXYNOS: Do not calculate boot address twice

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Fri, 04 Jul 2014 17:41:15 +0900
From:	Kukjin Kim <kgene.kim@...sung.com>
To:	'Krzysztof Kozlowski' <k.kozlowski@...sung.com>,
	'Russell King' <linux@....linux.org.uk>,
	linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	'Kyungmin Park' <kyungmin.park@...sung.com>,
	'Marek Szyprowski' <m.szyprowski@...sung.com>,
	'Bartlomiej Zolnierkiewicz' <b.zolnierkie@...sung.com>,
	'Sachin Kamat' <sachin.kamat@...aro.org>,
	'Tomasz Figa' <t.figa@...sung.com>
Subject: RE: [PATCH RESEND] ARM: EXYNOS: Do not calculate boot address twice

Krzysztof Kozlowski wrote:
> 
> Commit b3205dea8fbf ("ARM: EXYNOS: Map SYSRAM through generic DT
> bindings") introduced local variable boot_reg where boot address from
> cpu_boot_reg() call is stored. Re-use it instead calling cpu_boot_reg()
> again.
> 
> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>
> ---
>  arch/arm/mach-exynos/platsmp.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm/mach-exynos/platsmp.c b/arch/arm/mach-exynos/platsmp.c
> index 1c8d31e39520..55ed2e6729c5 100644
> --- a/arch/arm/mach-exynos/platsmp.c
> +++ b/arch/arm/mach-exynos/platsmp.c
> @@ -155,7 +155,7 @@ static int exynos_boot_secondary(unsigned int cpu, struct task_struct *idle)
>  				ret = PTR_ERR(boot_reg);
>  				goto fail;
>  			}
> -			__raw_writel(boot_addr, cpu_boot_reg(phys_cpu));
> +			__raw_writel(boot_addr, boot_reg);
>  		}
> 
>  		call_firmware_op(cpu_boot, phys_cpu);
> @@ -242,7 +242,7 @@ static void __init exynos_smp_prepare_cpus(unsigned int max_cpus)
> 
>  			if (IS_ERR(boot_reg))
>  				break;
> -			__raw_writel(boot_addr, cpu_boot_reg(phys_cpu));
> +			__raw_writel(boot_addr, boot_reg);
>  		}
>  	}
>  }
> --
> 1.9.1

Oh, good catch. will apply :-)

Thanks,
Kukjin

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/