linux-kernel - Re: [PATCH v10 6/6] ACPI/IORT: Stub out ACS functions when CONFIG

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]

Message-ID: <40e31e86-a4ac-d9a6-d752-b04203d5ced7@huawei.com>
Date:   Tue, 18 Dec 2018 10:14:01 +0800
From:   Hanjun Guo <guohanjun@...wei.com>
To:     Sinan Kaya <okaya@...nel.org>, <linux-acpi@...r.kernel.org>
CC:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Hanjun Guo <hanjun.guo@...aro.org>,
        Sudeep Holla <sudeep.holla@....com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v10 6/6] ACPI/IORT: Stub out ACS functions when CONFIG_PCI
 is not set

Hi Sinan,

On 2018/12/15 9:02, Sinan Kaya wrote:
> Remove PCI dependent code out of iort.c when CONFIG_PCI is not defined.
> 
> Signed-off-by: Sinan Kaya <okaya@...nel.org>
> ---
>  drivers/acpi/arm64/iort.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c
> index 70f4e80b9246..d0f68607efe6 100644
> --- a/drivers/acpi/arm64/iort.c
> +++ b/drivers/acpi/arm64/iort.c
> @@ -1437,6 +1437,7 @@ static int __init iort_add_platform_device(struct acpi_iort_node *node,
>  
>  static bool __init iort_enable_acs(struct acpi_iort_node *iort_node)
>  {
> +#ifdef CONFIG_PCI
>  	if (iort_node->type == ACPI_IORT_NODE_PCI_ROOT_COMPLEX) {
>  		struct acpi_iort_node *parent;
>  		struct acpi_iort_id_mapping *map;
> @@ -1462,6 +1463,7 @@ static bool __init iort_enable_acs(struct acpi_iort_node *iort_node)
>  			}
>  		}
>  	}
> +#endif

I prefer stub function for iort_enable_acs(), not adding #ifdef/#endif pair inside
this function.

By the way, there are other pci function called in iort.c, could you explain a
little bit why no need to update other function calls in commit message?

Thanks
Hanjun