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authorBecky Bruce <becky.bruce@freescale.com>2007-08-02 20:37:15 (GMT)
committerKumar Gala <galak@kernel.crashing.org>2007-08-17 18:22:28 (GMT)
commit86d7a9a9c4775f864e6bc5f5da66ef9ea3715734 (patch)
tree43e7a2d1b54c10e28d8607d15c454ea6556f764c /arch
parentb66510cb9992d204f216049e9c01d432c7635f6c (diff)
downloadlinux-fsl-qoriq-86d7a9a9c4775f864e6bc5f5da66ef9ea3715734.tar.xz
[POWERPC] Fix FSL BookE machine check reporting
Reserved MCSR bits on FSL BookE parts may have spurious values when mcheck occurs. Mask these off when printing the MCSR to avoid confusion. Also, get rid of the MCSR_GL_CI bit defined for e500 - this bit doesn't actually have any meaning. Signed-off-by: Becky Bruce <becky.bruce@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/kernel/traps.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index 2bb1cb9..d8502e3 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -299,7 +299,7 @@ static inline int check_io_access(struct pt_regs *regs)
#ifndef CONFIG_FSL_BOOKE
#define get_mc_reason(regs) ((regs)->dsisr)
#else
-#define get_mc_reason(regs) (mfspr(SPRN_MCSR))
+#define get_mc_reason(regs) (mfspr(SPRN_MCSR) & MCSR_MASK)
#endif
#define REASON_FP ESR_FP
#define REASON_ILLEGAL (ESR_PIL | ESR_PUO)
@@ -414,8 +414,6 @@ void machine_check_exception(struct pt_regs *regs)
printk("Data Cache Push Parity Error\n");
if (reason & MCSR_DCPERR)
printk("Data Cache Parity Error\n");
- if (reason & MCSR_GL_CI)
- printk("Guarded Load or Cache-Inhibited stwcx.\n");
if (reason & MCSR_BUS_IAERR)
printk("Bus - Instruction Address Error\n");
if (reason & MCSR_BUS_RAERR)