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From: Attilio Rao <attilio.rao@citrix.com>
To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	Ian Campbell <Ian.Campbell@citrix.com>,
	Stefano Stabellini <Stefano.Stabellini@eu.citrix.com>,
	Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	linux-kernel@vger.kernel.org, x86@kernel.org,
	xen-devel@lists.xensource.com
Cc: Attilio Rao <attilio.rao@citrix.com>
Subject: [PATCH 5/5] X86/XEN: Add few lines explaining simple semantic for x86_init.paging.pagetable_init PVOPS
Date: Tue, 21 Aug 2012 02:14:06 +0100	[thread overview]
Message-ID: <1345511646-12427-6-git-send-email-attilio.rao@citrix.com> (raw)
In-Reply-To: <1345511646-12427-1-git-send-email-attilio.rao@citrix.com>

- Explain the purpose of the PVOPS
- Report execution constraints

Signed-off-by: Attilio Rao <attilio.rao@citrix.com>
---
 arch/x86/include/asm/x86_init.h |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index 995ea5c..7ea4186 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -82,6 +82,11 @@ struct x86_init_mapping {
 /**
  * struct x86_init_paging - platform specific paging functions
  * @pagetable_init:		platform specific paging initialization call
+ *
+ * It does setup the kernel pagetables and prepares accessors functions to
+ * manipulate them.
+ * It must be called once, during the boot sequence and after the direct
+ * mapping for phys memory is setup.
  */
 struct x86_init_paging {
 	void (*pagetable_init)(void);
-- 
1.7.2.5

  parent reply	other threads:[~2012-08-21  1:14 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-21  1:14 [PATCH 0/5] X86/XEN: Merge x86_init.paging.pagetable_setup_start and x86_init.paging.pagetable_setup_done PVOPS and document the semantic Attilio Rao
2012-08-21  1:14 ` [PATCH 1/5] XEN: Remove the base argument from x86_init.paging.pagetable_setup_done PVOPS Attilio Rao
2012-08-21  1:14 ` [PATCH 2/5] XEN: Remove the base argument from x86_init.paging.pagetable_setup_start PVOPS Attilio Rao
2012-08-21 15:41   ` Thomas Gleixner
2012-08-21 15:49     ` Attilio Rao
2012-08-21 16:04       ` Thomas Gleixner
2012-08-21  1:14 ` [PATCH 3/5] X86/XEN: Introduce the x86_init.paging.pagetable_init PVOPS Attilio Rao
2012-08-21 15:44   ` Thomas Gleixner
2012-08-21 20:26     ` Attilio Rao
2012-08-21  1:14 ` [PATCH 4/5] X86/XEN: Retire now unused x86_init.paging.pagetable_setup_start and x86_init.paging.pagetable_setup_done PVOPS Attilio Rao
2012-08-21  1:14 ` Attilio Rao [this message]
2012-08-21 11:09 ` [PATCH 0/5] X86/XEN: Merge x86_init.paging.pagetable_setup_start and x86_init.paging.pagetable_setup_done PVOPS and document the semantic Stefano Stabellini
2012-08-21 14:53 ` Konrad Rzeszutek Wilk
2012-08-21 15:22 ` Thomas Gleixner

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