RE: [PATCH, v3] hwmon: coretemp: use list instead of fixed sizearray for temp data

From: R, Durgadoss
Date: Mon May 07 2012 - 06:59:50 EST


Hi,


> -----Original Message-----
> From: Kirill A. Shutemov [mailto:kirill.shutemov@xxxxxxxxxxxxxxx]
> Sent: Monday, May 07, 2012 4:04 PM
> To: Yu, Fenghua; Guenter Roeck; R, Durgadoss
> Cc: Andi Kleen; Jean Delvare; lm-sensors@xxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx; Kirill A. Shutemov
> Subject: [PATCH, v3] hwmon: coretemp: use list instead of fixed size array for
> temp data
>
> From: "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>
>
> Let's rework code to allow arbitrary number of cores on a CPU, not
> limited by hardcoded array size.
>
> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
> ---
> v3:
> - drop redundant refcounting and checks;
> v2:
> - fix NULL pointer dereference. Thanks to R, Durgadoss;
> - use mutex instead of spinlock for list locking.
> ---
> drivers/hwmon/coretemp.c | 120 ++++++++++++++++++++++++++++-----------
> ------
> 1 files changed, 75 insertions(+), 45 deletions(-)
>
> diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c
> index b9d5123..fa082d5 100644
> --- a/drivers/hwmon/coretemp.c
> +++ b/drivers/hwmon/coretemp.c
> @@ -36,6 +36,8 @@
> #include <linux/cpu.h>
> #include <linux/pci.h>
> #include <linux/smp.h>
> +#include <linux/list.h>
> +#include <linux/kref.h>

I think we don't need to include kref.h now :-)

BTW, at some places, looks like we are using 'tdata' obtained from get_temp_data,
without checking for NULL values. Other than that, looks Ok for me.

Acked-by: Durgadoss R <durgadoss.r@xxxxxxxxx>

Thanks,
Durga
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