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[PATCH 3.4 032/146] x86/iommu: Fix header comments regarding standard and _FINISH macros

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  [PATCH 3.4 032/146] x86/iommu: Fix header comments regarding standard and _FINISH macros lizf@kernel.org - 2015-09-15 11:10 +0200

#1224777 — [PATCH 3.4 032/146] x86/iommu: Fix header comments regarding standard and _FINISH macros

From: Aravind Gopalakrishnan <Aravind.Gopalakrishnan@amd.com>

3.4.109-rc1 review patch.  If anyone has any objections, please let me know.

------------------


commit b44915927ca88084a7292e4ddd4cf91036f365e1 upstream.

The comment line regarding IOMMU_INIT and IOMMU_INIT_FINISH
macros is incorrect:

  "The standard vs the _FINISH differs in that the _FINISH variant
  will continue detecting other IOMMUs in the call list..."

It should be "..the *standard* variant will continue
detecting..."

Fix that. Also, make it readable while at it.

Signed-off-by: Aravind Gopalakrishnan <Aravind.Gopalakrishnan@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: konrad.wilk@oracle.com
Fixes: 6e9636693373 ("x86, iommu: Update header comments with appropriate naming")
Link: http://lkml.kernel.org/r/1428508017-5316-1-git-send-email-Aravind.Gopalakrishnan@amd.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Zefan Li <lizefan@huawei.com>
---
 arch/x86/include/asm/iommu_table.h | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/arch/x86/include/asm/iommu_table.h b/arch/x86/include/asm/iommu_table.h
index f229b13..0c54822 100644
--- a/arch/x86/include/asm/iommu_table.h
+++ b/arch/x86/include/asm/iommu_table.h
@@ -79,11 +79,12 @@ struct iommu_table_entry {
  *  d). Similar to the 'init', except that this gets called from pci_iommu_init
  *      where we do have a memory allocator.
  *
- * The standard vs the _FINISH differs in that the _FINISH variant will
- * continue detecting other IOMMUs in the call list after the
- * the detection routine returns a positive number. The _FINISH will
- * stop the execution chain. Both will still call the 'init' and
- * 'late_init' functions if they are set.
+ * The standard IOMMU_INIT differs from the IOMMU_INIT_FINISH variant
+ * in that the former will continue detecting other IOMMUs in the call
+ * list after the detection routine returns a positive number, while the
+ * latter will stop the execution chain upon first successful detection.
+ * Both variants will still call the 'init' and 'late_init' functions if
+ * they are set.
  */
 #define IOMMU_INIT_FINISH(_detect, _depend, _init, _late_init)		\
 	__IOMMU_INIT(_detect, _depend, _init, _late_init, 1)
-- 
1.9.1

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