This is a note to let you know that I've just added the patch titled
powerpc: Fix hypervisor facility unavaliable vector number
to the 3.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
powerpc-fix-hypervisor-facility-unavaliable-vector-number.patch
and it can be found in the queue-3.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 88f094120bd2f012ff494ae50a8d4e0d8af8f69e Mon Sep 17 00:00:00 2001
From: Michael Neuling <[email protected]>
Date: Fri, 9 Aug 2013 17:29:27 +1000
Subject: powerpc: Fix hypervisor facility unavaliable vector number
From: Michael Neuling <[email protected]>
commit 88f094120bd2f012ff494ae50a8d4e0d8af8f69e upstream.
Currently if we take hypervisor facility unavaliable (from 0xf80/0x4f80) we
mark it as an OS facility unavaliable (0xf60) as the two share the same code
path.
The becomes a problem in facility_unavailable_exception() as we aren't able to
see the hypervisor facility unavailable exceptions.
Below fixes this by duplication the required macros.
Signed-off-by: Michael Neuling <[email protected]>
Signed-off-by: Benjamin Herrenschmidt <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
arch/powerpc/kernel/exceptions-64s.S | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -848,7 +848,7 @@ hv_facility_unavailable_relon_trampoline
. = 0x4f80
SET_SCRATCH0(r13)
EXCEPTION_PROLOG_0(PACA_EXGEN)
- b facility_unavailable_relon_hv
+ b hv_facility_unavailable_relon_hv
STD_RELON_EXCEPTION_PSERIES(0x5300, 0x1300, instruction_breakpoint)
#ifdef CONFIG_PPC_DENORMALISATION
@@ -1175,6 +1175,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_VSX)
b .ret_from_except
STD_EXCEPTION_COMMON(0xf60, facility_unavailable,
.facility_unavailable_exception)
+ STD_EXCEPTION_COMMON(0xf80, hv_facility_unavailable,
.facility_unavailable_exception)
.align 7
.globl __end_handlers
@@ -1188,7 +1189,7 @@ __end_handlers:
STD_RELON_EXCEPTION_PSERIES_OOL(0xf20, altivec_unavailable)
STD_RELON_EXCEPTION_PSERIES_OOL(0xf40, vsx_unavailable)
STD_RELON_EXCEPTION_PSERIES_OOL(0xf60, facility_unavailable)
- STD_RELON_EXCEPTION_HV_OOL(0xf80, facility_unavailable)
+ STD_RELON_EXCEPTION_HV_OOL(0xf80, hv_facility_unavailable)
#if defined(CONFIG_PPC_PSERIES) || defined(CONFIG_PPC_POWERNV)
/*
Patches currently in stable-queue which might be from [email protected] are
queue-3.10/powerpc-tm-fix-context-switching-tar-ppr-and-dscr-sprs.patch
queue-3.10/powerpc-fix-hypervisor-facility-unavaliable-vector-number.patch
queue-3.10/powerpc-rework-setting-up-h-fscr-bit-definitions.patch
queue-3.10/powerpc-on-powernv-enable-ppc_denormalisation-by-default.patch
queue-3.10/powerpc-save-the-tar-register-earlier.patch
queue-3.10/powerpc-fix-context-switch-dscr-on-power8.patch
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