| Message ID | 20200707194324.14884-1-tony.luck@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | EDAC, i7core, sb, pnd2, skx: Fix error event severity | expand |
On Tue, Jul 07, 2020 at 12:43:24PM -0700, Tony Luck wrote: > IA32_MCG_STATUS.RIPV indicates whether the return RIP value pushed onto > the stack as part of machine check delivery is valid or not. > > Various drivers copied a code fragment that uses the RIPV bit to > determine the severity of the error as either HW_EVENT_ERR_UNCORRECTED > or HW_EVENT_ERR_FATAL, but this check is reversed (marking errors where > RIPV is set as "FATAL"). > > Reverse the tests so that the error is marked fatal when RIPV is not set. > > Reported-by: Gabriele Paoloni <gabriele.paoloni@intel.com> > Cc: <stable@vger.kernel.org> > Signed-off-by: Tony Luck <tony.luck@intel.com> > --- > drivers/edac/i7core_edac.c | 4 ++-- > drivers/edac/pnd2_edac.c | 2 +- > drivers/edac/sb_edac.c | 4 ++-- > drivers/edac/skx_common.c | 4 ++-- > 4 files changed, 7 insertions(+), 7 deletions(-) Queued on edac-urgent, will send to Linus next week. Thx.
diff --git a/drivers/edac/i7core_edac.c b/drivers/edac/i7core_edac.c index 5860ca41185c..2acd9f9284a2 100644 --- a/drivers/edac/i7core_edac.c +++ b/drivers/edac/i7core_edac.c @@ -1710,9 +1710,9 @@ static void i7core_mce_output_error(struct mem_ctl_info *mci, if (uncorrected_error) { core_err_cnt = 1; if (ripv) - tp_event = HW_EVENT_ERR_FATAL; - else tp_event = HW_EVENT_ERR_UNCORRECTED; + else + tp_event = HW_EVENT_ERR_FATAL; } else { tp_event = HW_EVENT_ERR_CORRECTED; } diff --git a/drivers/edac/pnd2_edac.c b/drivers/edac/pnd2_edac.c index fd363746f5b0..b8fc4b84fd86 100644 --- a/drivers/edac/pnd2_edac.c +++ b/drivers/edac/pnd2_edac.c @@ -1155,7 +1155,7 @@ static void pnd2_mce_output_error(struct mem_ctl_info *mci, const struct mce *m, u32 optypenum = GET_BITFIELD(m->status, 4, 6); int rc; - tp_event = uc_err ? (ripv ? HW_EVENT_ERR_FATAL : HW_EVENT_ERR_UNCORRECTED) : + tp_event = uc_err ? (ripv ? HW_EVENT_ERR_UNCORRECTED : HW_EVENT_ERR_FATAL) : HW_EVENT_ERR_CORRECTED; /* diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c index d414698ca324..c5ab634cb6a4 100644 --- a/drivers/edac/sb_edac.c +++ b/drivers/edac/sb_edac.c @@ -2982,9 +2982,9 @@ static void sbridge_mce_output_error(struct mem_ctl_info *mci, if (uncorrected_error) { core_err_cnt = 1; if (ripv) { - tp_event = HW_EVENT_ERR_FATAL; - } else { tp_event = HW_EVENT_ERR_UNCORRECTED; + } else { + tp_event = HW_EVENT_ERR_FATAL; } } else { tp_event = HW_EVENT_ERR_CORRECTED; diff --git a/drivers/edac/skx_common.c b/drivers/edac/skx_common.c index 6d8d6dc626bf..2b4ce8e5ac2f 100644 --- a/drivers/edac/skx_common.c +++ b/drivers/edac/skx_common.c @@ -493,9 +493,9 @@ static void skx_mce_output_error(struct mem_ctl_info *mci, if (uncorrected_error) { core_err_cnt = 1; if (ripv) { - tp_event = HW_EVENT_ERR_FATAL; - } else { tp_event = HW_EVENT_ERR_UNCORRECTED; + } else { + tp_event = HW_EVENT_ERR_FATAL; } } else { tp_event = HW_EVENT_ERR_CORRECTED;
IA32_MCG_STATUS.RIPV indicates whether the return RIP value pushed onto the stack as part of machine check delivery is valid or not. Various drivers copied a code fragment that uses the RIPV bit to determine the severity of the error as either HW_EVENT_ERR_UNCORRECTED or HW_EVENT_ERR_FATAL, but this check is reversed (marking errors where RIPV is set as "FATAL"). Reverse the tests so that the error is marked fatal when RIPV is not set. Reported-by: Gabriele Paoloni <gabriele.paoloni@intel.com> Cc: <stable@vger.kernel.org> Signed-off-by: Tony Luck <tony.luck@intel.com> --- drivers/edac/i7core_edac.c | 4 ++-- drivers/edac/pnd2_edac.c | 2 +- drivers/edac/sb_edac.c | 4 ++-- drivers/edac/skx_common.c | 4 ++-- 4 files changed, 7 insertions(+), 7 deletions(-)