diff options
| author | Michael Neuling <mikey@neuling.org> | 2012-09-06 21:24:56 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2012-09-10 09:59:10 +1000 |
| commit | 4474ef055c5d8cb8eaf002d69e49af71e3aa3a88 (patch) | |
| tree | e57b99bfa78d7c3faf4125ab4a08f17fed2c41d8 /arch/powerpc/include/asm/processor.h | |
| parent | 3ab96a02e829131c19db8ed99239289acdb4e3dc (diff) | |
powerpc: Rework set_dabr so it can take a DABRX value as well
Rework set_dabr to take a DABRX value as well.
Both the pseries and PS3 hypervisors do some checks on the DABRX
values that are passed in the hcall. This patch stops bogus values
from being passed to hypervisor. Also, in the case where we are
clearing the breakpoint, where DABR and DABRX are zero, we modify the
DABRX value to make it valid so that the hcall won't fail.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/include/asm/processor.h')
| -rw-r--r-- | arch/powerpc/include/asm/processor.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h index 7e7fa13e466..83efc6e8154 100644 --- a/arch/powerpc/include/asm/processor.h +++ b/arch/powerpc/include/asm/processor.h @@ -219,6 +219,7 @@ struct thread_struct { #endif /* CONFIG_HAVE_HW_BREAKPOINT */ #endif unsigned long dabr; /* Data address breakpoint register */ + unsigned long dabrx; /* ... extension */ unsigned long trap_nr; /* last trap # on this thread */ #ifdef CONFIG_ALTIVEC /* Complete AltiVec register set */ |