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From: Chao Peng <chao.p.peng@linux.intel.com>
To: Yi Sun <yi.y.sun@linux.intel.com>, xen-devel@lists.xenproject.org
Cc: kevin.tian@intel.com, wei.liu2@citrix.com,
	andrew.cooper3@citrix.com, dario.faggioli@citrix.com,
	ian.jackson@eu.citrix.com, julien.grall@arm.com,
	mengxu@cis.upenn.edu, jbeulich@suse.com, roger.pau@citrix.com
Subject: Re: [RFC v2 07/12] x86: implement set value flow for MBA.
Date: Wed, 09 Aug 2017 09:33:05 +0800	[thread overview]
Message-ID: <1502242385.3636.25.camel@linux.intel.com> (raw)
In-Reply-To: <1500540553-29199-8-git-send-email-yi.y.sun@linux.intel.com>


>      /* write_msr is used to write out feature MSR register. */
>      void (*write_msr)(unsigned int cos, uint32_t val, enum
> psr_val_type type);
> +
> +    /*
> +     * check_change_val is used to check if input val fulfills SDM
> requirement.
> +     * Change it to valid value if SDM allows.
> +     */
> +    bool (*check_change_val)(const struct feat_node *feat, unsigned
> long *val);

I understand you need check the value and also potentially change the
value in certain case, but the naming here sounds not so good.

check_value? accept_value? or any other better solutions?

>  } *feat_props[FEAT_TYPE_NUM];
>  
>  /*
>  
> +static bool cat_check_change_val(const struct feat_node *feat,
> +                                 unsigned long *cbm)

and keep this as cat_check_cbm(),

> 
> +static bool mba_check_change_val(const struct feat_node *feat,
> +                                 unsigned long *thrtl)

and this becomes mba_check_thrtl()?

Chao

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  reply	other threads:[~2017-08-09  1:33 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-20  8:49 [RFC v2 00/12] Enable Memory Bandwidth Allocation in Xen Yi Sun
2017-07-20  8:49 ` [RFC v2 01/12] docs: create Memory Bandwidth Allocation (MBA) feature document Yi Sun
2017-07-20  8:49 ` [RFC v2 02/12] Rename PSR sysctl/domctl interfaces and xsm policy to make them be general Yi Sun
2017-07-31 14:30   ` Wei Liu
2017-07-20  8:49 ` [RFC v2 03/12] x86: rename 'cbm_type' to 'psr_val_type' to make it general Yi Sun
2017-07-31 14:30   ` Wei Liu
2017-07-20  8:49 ` [RFC v2 04/12] x86: implement data structure and CPU init flow for MBA Yi Sun
2017-07-31 14:30   ` Wei Liu
2017-08-01  0:51     ` Yi Sun
2017-08-09  1:09   ` Chao Peng
2017-08-09  2:05     ` Yi Sun
2017-07-20  8:49 ` [RFC v2 05/12] x86: implement get hw info " Yi Sun
2017-08-09  1:12   ` Chao Peng
2017-07-20  8:49 ` [RFC v2 06/12] x86: implement get value interface " Yi Sun
2017-07-20  8:49 ` [RFC v2 07/12] x86: implement set value flow " Yi Sun
2017-08-09  1:33   ` Chao Peng [this message]
2017-07-20  8:49 ` [RFC v2 08/12] tools: create general interfaces to support psr allocation features Yi Sun
2017-07-31 14:30   ` Wei Liu
2017-08-01  0:56     ` Yi Sun
2017-08-01  9:05       ` Wei Liu
2017-07-20  8:49 ` [RFC v2 09/12] tools: implement the new get hw info interface suitable to all " Yi Sun
2017-07-31 14:30   ` Wei Liu
2017-07-20  8:49 ` [RFC v2 10/12] tools: implemet new get value interface suitable for " Yi Sun
2017-07-31 14:30   ` Wei Liu
2017-08-01  0:57     ` Yi Sun
2017-07-20  8:49 ` [RFC v2 11/12] tools: implemet new set " Yi Sun
2017-07-20  8:49 ` [RFC v2 12/12] docs: add MBA description in docs Yi Sun

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