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From: Ingo Molnar <mingo@kernel.org>
To: Toshi Kani <toshi.kani@hp.com>
Cc: hpa@zytor.com, tglx@linutronix.de, mingo@redhat.com,
	akpm@linux-foundation.org, arnd@arndb.de, linux-mm@kvack.org,
	linux-kernel@vger.kernel.org, jgross@suse.com,
	stefan.bader@canonical.com, luto@amacapital.net, hmh@hmh.eng.br,
	yigal@plexistor.com, konrad.wilk@oracle.com, Elliott@hp.com
Subject: Re: [PATCH v8 7/7] x86, mm: Add set_memory_wt() for WT
Date: Wed, 25 Feb 2015 08:22:28 +0100	[thread overview]
Message-ID: <20150225072228.GA13061@gmail.com> (raw)
In-Reply-To: <1424823301-30927-8-git-send-email-toshi.kani@hp.com>


* Toshi Kani <toshi.kani@hp.com> wrote:

> +int set_pages_array_wt(struct page **pages, int addrinarray)
> +{
> +	return _set_pages_array(pages, addrinarray, _PAGE_CACHE_MODE_WT);
> +}
> +EXPORT_SYMBOL(set_pages_array_wt);

So by default we make new APIs EXPORT_SYMBOL_GPL(): we 
don't want proprietary modules mucking around with new code 
PAT interfaces, we only want modules we can analyze and fix 
in detail.

Thanks,

	Ingo

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WARNING: multiple messages have this Message-ID (diff)
From: Ingo Molnar <mingo@kernel.org>
To: Toshi Kani <toshi.kani@hp.com>
Cc: hpa@zytor.com, tglx@linutronix.de, mingo@redhat.com,
	akpm@linux-foundation.org, arnd@arndb.de, linux-mm@kvack.org,
	linux-kernel@vger.kernel.org, jgross@suse.com,
	stefan.bader@canonical.com, luto@amacapital.net, hmh@hmh.eng.br,
	yigal@plexistor.com, konrad.wilk@oracle.com, Elliott@hp.com
Subject: Re: [PATCH v8 7/7] x86, mm: Add set_memory_wt() for WT
Date: Wed, 25 Feb 2015 08:22:28 +0100	[thread overview]
Message-ID: <20150225072228.GA13061@gmail.com> (raw)
In-Reply-To: <1424823301-30927-8-git-send-email-toshi.kani@hp.com>


* Toshi Kani <toshi.kani@hp.com> wrote:

> +int set_pages_array_wt(struct page **pages, int addrinarray)
> +{
> +	return _set_pages_array(pages, addrinarray, _PAGE_CACHE_MODE_WT);
> +}
> +EXPORT_SYMBOL(set_pages_array_wt);

So by default we make new APIs EXPORT_SYMBOL_GPL(): we 
don't want proprietary modules mucking around with new code 
PAT interfaces, we only want modules we can analyze and fix 
in detail.

Thanks,

	Ingo

  reply	other threads:[~2015-02-25  7:22 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-25  0:14 [PATCH v8 0/7] Support Write-Through mapping on x86 Toshi Kani
2015-02-25  0:14 ` Toshi Kani
2015-02-25  0:14 ` [PATCH v8 1/7] x86, mm, pat: Set WT to PA7 slot of PAT MSR Toshi Kani
2015-02-25  0:14   ` Toshi Kani
2015-02-25  0:14 ` [PATCH v8 2/7] x86, mm, pat: Change reserve_memtype() to handle WT Toshi Kani
2015-02-25  0:14   ` Toshi Kani
2015-02-25  0:14 ` [PATCH v8 3/7] x86, mm, asm-gen: Add ioremap_wt() for WT Toshi Kani
2015-02-25  0:14   ` Toshi Kani
2015-02-25  0:14 ` [PATCH v8 4/7] x86, mm, pat: Add pgprot_writethrough() " Toshi Kani
2015-02-25  0:14   ` Toshi Kani
2015-02-25  0:14 ` [PATCH v8 5/7] x86, mm, pat: Refactor !pat_enabled handling Toshi Kani
2015-02-25  0:14   ` Toshi Kani
2015-02-25  0:15 ` [PATCH v8 6/7] x86, mm, asm: Add WT support to set_page_memtype() Toshi Kani
2015-02-25  0:15   ` Toshi Kani
2015-02-25  0:15 ` [PATCH v8 7/7] x86, mm: Add set_memory_wt() for WT Toshi Kani
2015-02-25  0:15   ` Toshi Kani
2015-02-25  7:22   ` Ingo Molnar [this message]
2015-02-25  7:22     ` Ingo Molnar
2015-02-25 15:20     ` Toshi Kani
2015-02-25 15:20       ` Toshi Kani
2015-02-26 11:30       ` Ingo Molnar
2015-02-26 11:30         ` Ingo Molnar
2015-02-26 14:44         ` Toshi Kani
2015-02-26 14:44           ` Toshi Kani
2015-03-04 18:27           ` Toshi Kani
2015-03-04 18:27             ` Toshi Kani

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