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Subject[tip:x86/cleanups] x86/iommu: Fix header comments regarding standard and _FINISH macros
Commit-ID:  b44915927ca88084a7292e4ddd4cf91036f365e1
Gitweb: http://git.kernel.org/tip/b44915927ca88084a7292e4ddd4cf91036f365e1
Author: Aravind Gopalakrishnan <Aravind.Gopalakrishnan@amd.com>
AuthorDate: Thu, 9 Apr 2015 10:51:48 +0200
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Thu, 9 Apr 2015 10:56:31 +0200

x86/iommu: Fix header comments regarding standard and _FINISH macros

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>
---
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 f42a047..e37d6b3 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)

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