linux-kernel - [PATCH 3/4] swiotlb: print physical addresses consistently with other parts of kernel

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Message-ID: <20120427233746.25317.34308.stgit@bhelgaas.mtv.corp.google.com>
Date:	Fri, 27 Apr 2012 17:37:46 -0600
From:	Bjorn Helgaas <bhelgaas@...gle.com>
To:	Andrew Morton <akpm@...ux-foundation.org>, x86@...nel.org
Cc:	Yinghai Lu <yinghai@...nel.org>, linux-kernel@...r.kernel.org,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Subject: [PATCH 3/4] swiotlb: print physical addresses consistently with other
	parts of kernel

Print swiotlb info in a style consistent with the %pR style used elsewhere
in the kernel.  For example:

    -Placing 64MB software IO TLB between ffff88007a662000 - ffff88007e662000
    -software IO TLB at phys 0x7a662000 - 0x7e662000
    +software IO TLB [mem 0x7a662000-0x7e661fff] (64MB) mapped at [ffff88007a662000-ffff88007e661fff]

Signed-off-by: Bjorn Helgaas <bhelgaas@...gle.com>
---
 lib/swiotlb.c |    8 +++-----
 1 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index 414f46e..45bc1f8 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -130,11 +130,9 @@ void swiotlb_print_info(void)
 	pstart = virt_to_phys(io_tlb_start);
 	pend = virt_to_phys(io_tlb_end);
 
-	printk(KERN_INFO "Placing %luMB software IO TLB between %p - %p\n",
-	       bytes >> 20, io_tlb_start, io_tlb_end);
-	printk(KERN_INFO "software IO TLB at phys %#llx - %#llx\n",
-	       (unsigned long long)pstart,
-	       (unsigned long long)pend);
+	printk(KERN_INFO "software IO TLB [mem %#010llx-%#010llx] (%luMB) mapped at [%p-%p]\n",
+	       (unsigned long long)pstart, (unsigned long long)pend - 1,
+	       bytes >> 20, io_tlb_start, io_tlb_end - 1);
 }
 
 void __init swiotlb_init_with_tbl(char *tlb, unsigned long nslabs, int verbose)

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