We can use the simpler dump_stack() instead of
show_stack(current, __get_SP())

Signed-off-by: Anton Blanchard <an...@samba.org>
---
 arch/powerpc/platforms/pseries/iommu.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/arch/powerpc/platforms/pseries/iommu.c 
b/arch/powerpc/platforms/pseries/iommu.c
index de1ec54..e32e009 100644
--- a/arch/powerpc/platforms/pseries/iommu.c
+++ b/arch/powerpc/platforms/pseries/iommu.c
@@ -30,7 +30,6 @@
 #include <linux/mm.h>
 #include <linux/memblock.h>
 #include <linux/spinlock.h>
-#include <linux/sched.h>       /* for show_stack */
 #include <linux/string.h>
 #include <linux/pci.h>
 #include <linux/dma-mapping.h>
@@ -168,7 +167,7 @@ static int tce_build_pSeriesLP(struct iommu_table *tbl, 
long tcenum,
                        printk("\tindex   = 0x%llx\n", (u64)tbl->it_index);
                        printk("\ttcenum  = 0x%llx\n", (u64)tcenum);
                        printk("\ttce val = 0x%llx\n", tce );
-                       show_stack(current, (unsigned long *)__get_SP());
+                       dump_stack();
                }
 
                tcenum++;
@@ -257,7 +256,7 @@ static int tce_buildmulti_pSeriesLP(struct iommu_table 
*tbl, long tcenum,
                printk("\tindex   = 0x%llx\n", (u64)tbl->it_index);
                printk("\tnpages  = 0x%llx\n", (u64)npages);
                printk("\ttce[0] val = 0x%llx\n", tcep[0]);
-               show_stack(current, (unsigned long *)__get_SP());
+               dump_stack();
        }
        return ret;
 }
@@ -273,7 +272,7 @@ static void tce_free_pSeriesLP(struct iommu_table *tbl, 
long tcenum, long npages
                        printk("tce_free_pSeriesLP: plpar_tce_put failed. 
rc=%lld\n", rc);
                        printk("\tindex   = 0x%llx\n", (u64)tbl->it_index);
                        printk("\ttcenum  = 0x%llx\n", (u64)tcenum);
-                       show_stack(current, (unsigned long *)__get_SP());
+                       dump_stack();
                }
 
                tcenum++;
@@ -292,7 +291,7 @@ static void tce_freemulti_pSeriesLP(struct iommu_table 
*tbl, long tcenum, long n
                printk("\trc      = %lld\n", rc);
                printk("\tindex   = 0x%llx\n", (u64)tbl->it_index);
                printk("\tnpages  = 0x%llx\n", (u64)npages);
-               show_stack(current, (unsigned long *)__get_SP());
+               dump_stack();
        }
 }
 
@@ -307,7 +306,7 @@ static unsigned long tce_get_pSeriesLP(struct iommu_table 
*tbl, long tcenum)
                printk("tce_get_pSeriesLP: plpar_tce_get failed. rc=%lld\n", 
rc);
                printk("\tindex   = 0x%llx\n", (u64)tbl->it_index);
                printk("\ttcenum  = 0x%llx\n", (u64)tcenum);
-               show_stack(current, (unsigned long *)__get_SP());
+               dump_stack();
        }
 
        return tce_ret;
-- 
1.9.1

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