commit 0428491cba927 ("powerpc/mm: Trace tlbie(l) instructions")
added tracepoints for tlbie calls, but _tlbil_va() was forgotten
Fixes: 0428491cba927 ("powerpc/mm: Trace tlbie(l) instructions")
Signed-off-by: Christophe Leroy <[email protected]>
---
arch/powerpc/mm/mmu_decl.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/powerpc/mm/mmu_decl.h b/arch/powerpc/mm/mmu_decl.h
index 57fbc554c785..107033cc4dcf 100644
--- a/arch/powerpc/mm/mmu_decl.h
+++ b/arch/powerpc/mm/mmu_decl.h
@@ -23,6 +23,7 @@
#include <asm/mmu.h>
#ifdef CONFIG_PPC_MMU_NOHASH
+#include <asm/trace.h>
/*
* On 40x and 8xx, we directly inline tlbia and tlbivax
@@ -56,6 +57,7 @@ static inline void _tlbil_va(unsigned long address, unsigned int pid,
unsigned int tsize, unsigned int ind)
{
asm volatile ("tlbie %0; sync" : : "r" (address) : "memory");
+ trace_tlbie(0, 0, address, pid, 0, 0, 0);
}
#elif defined(CONFIG_PPC_BOOK3E)
extern void _tlbil_va(unsigned long address, unsigned int pid,
--
2.13.3
Add a trace point for tlbia (Translation Lookaside Buffer Invalidate
All) instruction.
Signed-off-by: Christophe Leroy <[email protected]>
---
arch/powerpc/include/asm/trace.h | 15 +++++++++++++++
arch/powerpc/mm/mmu_decl.h | 2 ++
2 files changed, 17 insertions(+)
diff --git a/arch/powerpc/include/asm/trace.h b/arch/powerpc/include/asm/trace.h
index 33f3b479138b..0165a424308d 100644
--- a/arch/powerpc/include/asm/trace.h
+++ b/arch/powerpc/include/asm/trace.h
@@ -202,6 +202,21 @@ TRACE_EVENT(tlbie,
__entry->r)
);
+TRACE_EVENT(tlbia,
+
+ TP_PROTO(unsigned long id),
+ TP_ARGS(id),
+ TP_STRUCT__entry(
+ __field(unsigned long, id)
+ ),
+
+ TP_fast_assign(
+ __entry->id = id;
+ ),
+
+ TP_printk("ctx.id=0x%lx", __entry->id)
+);
+
#endif /* _TRACE_POWERPC_H */
#undef TRACE_INCLUDE_PATH
diff --git a/arch/powerpc/mm/mmu_decl.h b/arch/powerpc/mm/mmu_decl.h
index 107033cc4dcf..8f5483e415dd 100644
--- a/arch/powerpc/mm/mmu_decl.h
+++ b/arch/powerpc/mm/mmu_decl.h
@@ -32,10 +32,12 @@
static inline void _tlbil_all(void)
{
asm volatile ("sync; tlbia; isync" : : : "memory");
+ trace_tlbia(MMU_NO_CONTEXT);
}
static inline void _tlbil_pid(unsigned int pid)
{
asm volatile ("sync; tlbia; isync" : : : "memory");
+ trace_tlbia(pid);
}
#define _tlbil_pid_noind(pid) _tlbil_pid(pid)
--
2.13.3
On Wed, 2018-03-21 at 14:16:58 UTC, Christophe Leroy wrote:
> commit 0428491cba927 ("powerpc/mm: Trace tlbie(l) instructions")
> added tracepoints for tlbie calls, but _tlbil_va() was forgotten
>
> Fixes: 0428491cba927 ("powerpc/mm: Trace tlbie(l) instructions")
> Signed-off-by: Christophe Leroy <[email protected]>
Series applied to powerpc next, thanks.
https://git.kernel.org/powerpc/c/cf4a6085151ae3f4e78dd91981833e
cheers