* [PATCH] powerpc/64s: Fix MASKABLE_RELON_EXCEPTION_HV_OOL macro
@ 2018-02-06 12:36 Madhavan Srinivasan
2018-02-06 12:42 ` Alexey Kardashevskiy
2018-02-09 4:00 ` Michael Ellerman
0 siblings, 2 replies; 3+ messages in thread
From: Madhavan Srinivasan @ 2018-02-06 12:36 UTC (permalink / raw)
To: mpe; +Cc: linuxppc-dev, Madhavan Srinivasan
Commit f14e953b191f ("powerpc/64s: Add support to take additional parameter in MASKABLE_* macro")
messed up MASKABLE_RELON_EXCEPTION_HV_OOL macro by adding the wrong
__SOFTEN__ test which caused guest kernel trash at boot. Patch to fix
the macro to use SOFTEN_TEST_HV instead of SOFTEN_NOTEST_HV.
Reported-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Fix-Suggested-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
---
arch/powerpc/include/asm/exception-64s.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/include/asm/exception-64s.h b/arch/powerpc/include/asm/exception-64s.h
index 176dfb73d42c..471b2274fbeb 100644
--- a/arch/powerpc/include/asm/exception-64s.h
+++ b/arch/powerpc/include/asm/exception-64s.h
@@ -645,7 +645,7 @@ END_FTR_SECTION_NESTED(ftr,ftr,943)
EXC_HV, SOFTEN_TEST_HV, bitmask)
#define MASKABLE_RELON_EXCEPTION_HV_OOL(vec, label, bitmask) \
- MASKABLE_EXCEPTION_PROLOG_1(PACA_EXGEN, SOFTEN_NOTEST_HV, vec, bitmask);\
+ MASKABLE_EXCEPTION_PROLOG_1(PACA_EXGEN, SOFTEN_TEST_HV, vec, bitmask);\
EXCEPTION_RELON_PROLOG_PSERIES_1(label, EXC_HV)
/*
--
2.7.4
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] powerpc/64s: Fix MASKABLE_RELON_EXCEPTION_HV_OOL macro
2018-02-06 12:36 [PATCH] powerpc/64s: Fix MASKABLE_RELON_EXCEPTION_HV_OOL macro Madhavan Srinivasan
@ 2018-02-06 12:42 ` Alexey Kardashevskiy
2018-02-09 4:00 ` Michael Ellerman
1 sibling, 0 replies; 3+ messages in thread
From: Alexey Kardashevskiy @ 2018-02-06 12:42 UTC (permalink / raw)
To: Madhavan Srinivasan, mpe; +Cc: linuxppc-dev
On 06/02/18 23:36, Madhavan Srinivasan wrote:
> Commit f14e953b191f ("powerpc/64s: Add support to take additional parameter in MASKABLE_* macro")
> messed up MASKABLE_RELON_EXCEPTION_HV_OOL macro by adding the wrong
> __SOFTEN__ test which caused guest kernel trash at boot. Patch to fix
> the macro to use SOFTEN_TEST_HV instead of SOFTEN_NOTEST_HV.
>
> Reported-by: Alexey Kardashevskiy <aik@ozlabs.ru>
> Fix-Suggested-by: Michael Ellerman <mpe@ellerman.id.au>
> Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
> ---
> arch/powerpc/include/asm/exception-64s.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/powerpc/include/asm/exception-64s.h b/arch/powerpc/include/asm/exception-64s.h
> index 176dfb73d42c..471b2274fbeb 100644
> --- a/arch/powerpc/include/asm/exception-64s.h
> +++ b/arch/powerpc/include/asm/exception-64s.h
> @@ -645,7 +645,7 @@ END_FTR_SECTION_NESTED(ftr,ftr,943)
> EXC_HV, SOFTEN_TEST_HV, bitmask)
>
> #define MASKABLE_RELON_EXCEPTION_HV_OOL(vec, label, bitmask) \
> - MASKABLE_EXCEPTION_PROLOG_1(PACA_EXGEN, SOFTEN_NOTEST_HV, vec, bitmask);\
> + MASKABLE_EXCEPTION_PROLOG_1(PACA_EXGEN, SOFTEN_TEST_HV, vec, bitmask);\
> EXCEPTION_RELON_PROLOG_PSERIES_1(label, EXC_HV)
>
> /*
>
Tested-by: Alexey Kardashevskiy <aik@ozlabs.ru>
--
Alexey
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: powerpc/64s: Fix MASKABLE_RELON_EXCEPTION_HV_OOL macro
2018-02-06 12:36 [PATCH] powerpc/64s: Fix MASKABLE_RELON_EXCEPTION_HV_OOL macro Madhavan Srinivasan
2018-02-06 12:42 ` Alexey Kardashevskiy
@ 2018-02-09 4:00 ` Michael Ellerman
1 sibling, 0 replies; 3+ messages in thread
From: Michael Ellerman @ 2018-02-09 4:00 UTC (permalink / raw)
To: Madhavan Srinivasan; +Cc: Madhavan Srinivasan, linuxppc-dev
On Tue, 2018-02-06 at 12:36:37 UTC, Madhavan Srinivasan wrote:
> Commit f14e953b191f ("powerpc/64s: Add support to take additional parameter in MASKABLE_* macro")
> messed up MASKABLE_RELON_EXCEPTION_HV_OOL macro by adding the wrong
> __SOFTEN__ test which caused guest kernel trash at boot. Patch to fix
> the macro to use SOFTEN_TEST_HV instead of SOFTEN_NOTEST_HV.
>
> Reported-by: Alexey Kardashevskiy <aik@ozlabs.ru>
> Fix-Suggested-by: Michael Ellerman <mpe@ellerman.id.au>
> Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
> Tested-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Applied to powerpc fixes, thanks.
https://git.kernel.org/powerpc/c/5c11d1e52d996749897a8616860b18
cheers
^ permalink raw reply [flat|nested] 3+ messages in thread
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2018-02-06 12:36 [PATCH] powerpc/64s: Fix MASKABLE_RELON_EXCEPTION_HV_OOL macro Madhavan Srinivasan
2018-02-06 12:42 ` Alexey Kardashevskiy
2018-02-09 4:00 ` Michael Ellerman
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