Re: [PATCH v2 03/14] platform/x86/intel/ifs: Remove image loading during init

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi,

On 11/7/22 23:53, Jithu Joseph wrote:
> IFS test image is unnecessarily loaded during driver initialization.
> Drop image loading during ifs_init() and improve module load time.
> With this change, user has to load one when starting the tests.
> 
> As a consequence, make ifs_sem static as it is only used within sysfs.c
> 
> Reviewed-by: Tony Luck <tony.luck@xxxxxxxxx>
> Suggested-by: Hans de Goede <hdegoede@xxxxxxxxxx>
> Signed-off-by: Jithu Joseph <jithu.joseph@xxxxxxxxx>

Thanks, patch looks good to me:

Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx>

Regards,

Hans


> ---
>  drivers/platform/x86/intel/ifs/ifs.h   | 2 --
>  drivers/platform/x86/intel/ifs/core.c  | 6 +-----
>  drivers/platform/x86/intel/ifs/sysfs.c | 2 +-
>  3 files changed, 2 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/platform/x86/intel/ifs/ifs.h b/drivers/platform/x86/intel/ifs/ifs.h
> index 73c8e91cf144..3ff1d9aaeaa9 100644
> --- a/drivers/platform/x86/intel/ifs/ifs.h
> +++ b/drivers/platform/x86/intel/ifs/ifs.h
> @@ -229,6 +229,4 @@ void ifs_load_firmware(struct device *dev);
>  int do_core_test(int cpu, struct device *dev);
>  const struct attribute_group **ifs_get_groups(void);
>  
> -extern struct semaphore ifs_sem;
> -
>  #endif
> diff --git a/drivers/platform/x86/intel/ifs/core.c b/drivers/platform/x86/intel/ifs/core.c
> index 27204e3d674d..5fb7f655c291 100644
> --- a/drivers/platform/x86/intel/ifs/core.c
> +++ b/drivers/platform/x86/intel/ifs/core.c
> @@ -51,12 +51,8 @@ static int __init ifs_init(void)
>  	ifs_device.misc.groups = ifs_get_groups();
>  
>  	if ((msrval & BIT(ifs_device.data.integrity_cap_bit)) &&
> -	    !misc_register(&ifs_device.misc)) {
> -		down(&ifs_sem);
> -		ifs_load_firmware(ifs_device.misc.this_device);
> -		up(&ifs_sem);
> +	    !misc_register(&ifs_device.misc))
>  		return 0;
> -	}
>  
>  	return -ENODEV;
>  }
> diff --git a/drivers/platform/x86/intel/ifs/sysfs.c b/drivers/platform/x86/intel/ifs/sysfs.c
> index 37d8380d6fa8..65dd6fea5342 100644
> --- a/drivers/platform/x86/intel/ifs/sysfs.c
> +++ b/drivers/platform/x86/intel/ifs/sysfs.c
> @@ -13,7 +13,7 @@
>   * Protects against simultaneous tests on multiple cores, or
>   * reloading can file while a test is in progress
>   */
> -DEFINE_SEMAPHORE(ifs_sem);
> +static DEFINE_SEMAPHORE(ifs_sem);
>  
>  /*
>   * The sysfs interface to check additional details of last test




[Index of Archives]     [Linux Kernel Development]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux