Re: [PATCH] powerpc/kvm/e500_tlb: Fix a minor copy-paste tracing bug

Previous thread: Re: [MeeGo-Dev][PATCH] Topcliff: Update PCH_SPI driver to 2.6.35 by Grant Likely on Friday, August 27, 2010 - 11:33 am. (17 messages)

Next thread: [PATCH] e1000e: Intel 82571EB: Don't wait for MNG cycle on unmanaged chips by Kyle Moffett on Friday, August 27, 2010 - 12:10 pm. (3 messages)
From: Kyle Moffett
Date: Friday, August 27, 2010 - 12:06 pm

The kvmppc_e500_stlbe_invalidate() function was trying to pass too many
parameters to trace_kvm_stlb_inval().  This appears to be a bad
copy-paste from a call to trace_kvm_stlb_write().

Signed-off-by: Kyle Moffett <Kyle.D.Moffett@boeing.com>
---
 arch/powerpc/kvm/e500_tlb.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/kvm/e500_tlb.c b/arch/powerpc/kvm/e500_tlb.c
index 21011e1..1261a21 100644
--- a/arch/powerpc/kvm/e500_tlb.c
+++ b/arch/powerpc/kvm/e500_tlb.c
@@ -226,8 +226,7 @@ static void kvmppc_e500_stlbe_invalidate(struct kvmppc_vcpu_e500 *vcpu_e500,
 
 	kvmppc_e500_shadow_release(vcpu_e500, tlbsel, esel);
 	stlbe->mas1 = 0;
-	trace_kvm_stlb_inval(index_of(tlbsel, esel), stlbe->mas1, stlbe->mas2,
-			     stlbe->mas3, stlbe->mas7);
+	trace_kvm_stlb_inval(index_of(tlbsel, esel));
 }
 
 static void kvmppc_e500_tlb1_invalidate(struct kvmppc_vcpu_e500 *vcpu_e500,
-- 
1.7.1

--

From: Alexander Graf
Date: Friday, August 27, 2010 - 5:58 pm

Which kernel is this against? That trace point is already commented out in my tree.


Alex

--

From: Kyle Moffett
Date: Friday, August 27, 2010 - 10:24 pm

Oh, hm, I guess I haven't rebased this patch since 2.6.35-ish.  The
trace point seems to work correctly with the fixed arguments; if
you'll tell me which tree I should base it on I can easily resubmit.

Cheers,
Kyle Moffett
--

From: Kyle Moffett
Date: Monday, August 30, 2010 - 8:38 am

The kvmppc_e500_stlbe_invalidate() function was trying to pass too many
parameters to trace_kvm_stlb_inval().  This appears to be a bad
copy-paste from a call to trace_kvm_stlb_write().

Signed-off-by: Kyle Moffett <Kyle.D.Moffett@boeing.com>

---
Alex,

This is the rebased patch to re-enable the tracepoint.

I also pushed a tree with this patch on top of kvm-ppc-next out to:
  git://opensource.exmeritus.com/hww-1u-1a/linux.git kvm-ppc-patches
  http://opensource.exmeritus.com/git/hww-1u-1a/linux.git/kvm-ppc-patches

Thanks again!

Cheers,
Kyle Moffett

---
 arch/powerpc/kvm/e500_tlb.c |    6 +-----
 1 files changed, 1 insertions(+), 5 deletions(-)

diff --git a/arch/powerpc/kvm/e500_tlb.c b/arch/powerpc/kvm/e500_tlb.c
index 66845a5..a413883 100644
--- a/arch/powerpc/kvm/e500_tlb.c
+++ b/arch/powerpc/kvm/e500_tlb.c
@@ -226,11 +226,7 @@ static void kvmppc_e500_stlbe_invalidate(struct kvmppc_vcpu_e500 *vcpu_e500,
 
 	kvmppc_e500_shadow_release(vcpu_e500, tlbsel, esel);
 	stlbe->mas1 = 0;
-	/* XXX doesn't compile */
-#if 0
-	trace_kvm_stlb_inval(index_of(tlbsel, esel), stlbe->mas1, stlbe->mas2,
-			     stlbe->mas3, stlbe->mas7);
-#endif
+	trace_kvm_stlb_inval(index_of(tlbsel, esel));
 }
 
 static void kvmppc_e500_tlb1_invalidate(struct kvmppc_vcpu_e500 *vcpu_e500,
-- 
1.7.1

--

From: Alexander Graf
Date: Monday, August 30, 2010 - 6:07 pm

Thanks, applied.

Alex

--

Previous thread: Re: [MeeGo-Dev][PATCH] Topcliff: Update PCH_SPI driver to 2.6.35 by Grant Likely on Friday, August 27, 2010 - 11:33 am. (17 messages)

Next thread: [PATCH] e1000e: Intel 82571EB: Don't wait for MNG cycle on unmanaged chips by Kyle Moffett on Friday, August 27, 2010 - 12:10 pm. (3 messages)