From: Michael Ellerman <michael@ellerman.id.au>
To: <linuxppc-dev@ozlabs.org>
Subject: [PATCH 5/6] powerpc: Add more exception trampolines for hypervisor exceptions
Date: Thu, 15 Aug 2013 15:22:18 +1000 [thread overview]
Message-ID: <1376544139-26783-5-git-send-email-michael@ellerman.id.au> (raw)
In-Reply-To: <1376544139-26783-1-git-send-email-michael@ellerman.id.au>
This makes back traces and profiles easier to read.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
---
arch/powerpc/kernel/exceptions-64s.S | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index ae902cae..e41f066 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -293,27 +293,31 @@ system_call_pSeries:
* out of line to handle them
*/
. = 0xe00
-hv_exception_trampoline:
+hv_data_storage_trampoline:
SET_SCRATCH0(r13)
EXCEPTION_PROLOG_0(PACA_EXGEN)
b h_data_storage_hv
. = 0xe20
+hv_instr_storage_trampoline:
SET_SCRATCH0(r13)
EXCEPTION_PROLOG_0(PACA_EXGEN)
b h_instr_storage_hv
. = 0xe40
+emulation_assist_trampoline:
SET_SCRATCH0(r13)
EXCEPTION_PROLOG_0(PACA_EXGEN)
b emulation_assist_hv
. = 0xe60
+hv_exception_trampoline:
SET_SCRATCH0(r13)
EXCEPTION_PROLOG_0(PACA_EXGEN)
b hmi_exception_hv
. = 0xe80
+hv_doorbell_trampoline:
SET_SCRATCH0(r13)
EXCEPTION_PROLOG_0(PACA_EXGEN)
b h_doorbell_hv
@@ -808,6 +812,7 @@ system_call_relon_pSeries:
b . /* Can't happen, see v2.07 Book III-S section 6.5 */
. = 0x4e40
+emulation_assist_relon_trampoline:
SET_SCRATCH0(r13)
EXCEPTION_PROLOG_0(PACA_EXGEN)
b emulation_assist_relon_hv
@@ -816,6 +821,7 @@ system_call_relon_pSeries:
b . /* Can't happen, see v2.07 Book III-S section 6.5 */
. = 0x4e80
+h_doorbell_relon_trampoline:
SET_SCRATCH0(r13)
EXCEPTION_PROLOG_0(PACA_EXGEN)
b h_doorbell_relon_hv
--
1.8.1.2
next prev parent reply other threads:[~2013-08-15 5:22 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-15 5:22 [PATCH 1/6] powerpc: Update the 00-Index in Documentation/powerpc Michael Ellerman
2013-08-15 5:22 ` [PATCH 2/6] powerpc/pseries: Add a warning in the case of cross-cpu VPA registration Michael Ellerman
2013-08-15 5:22 ` [PATCH 3/6] powerpc: Add more trap names to xmon Michael Ellerman
2013-08-20 10:52 ` Paul Mackerras
2013-08-15 5:22 ` [PATCH 4/6] powerpc: Fix location and rename exception trampolines Michael Ellerman
2013-08-15 5:22 ` Michael Ellerman [this message]
2013-08-15 5:22 ` [PATCH 6/6] powerpc: Skip emulating & leave interrupts off for kernel program checks Michael Ellerman
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