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xen-devel
Re: [Xen-devel] [PATCH 2/3] xenoprof fixes: active_domains races
* Markus Armbruster (armbru@xxxxxxxxxx) wrote:
> --- linux-2.6.16.13-xen.patched-1/drivers/oprofile/oprofile_files.c
> 2006-05-15 10:28:11.000000000 +0200
> +++ linux-2.6.16.13-xen.patched-2/drivers/oprofile/oprofile_files.c
> 2006-05-15 10:31:11.000000000 +0200
> @@ -128,6 +128,7 @@ static struct file_operations dump_fops
>
> unsigned int adomains = 0;
> long active_domains[MAX_OPROF_DOMAINS];
> +static DECLARE_MUTEX(adom_sem);
Sorry, didn't mention this earlier. Please use new mutex code here,
smth like:
s/DECLARE_MUTEX(adom_sec)/DEFINE_MUTEX(adomain_mutex)/
s/down(&adom_sem)/mutex_lock(&adomain_mutex)/
s/up(&adom_sem)/mutex_unlock(&admoain_mutex)/
thanks,
-chris
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