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authorTony Luck <tony.luck@intel.com>2020-07-07 21:43:24 +0200
committerBorislav Petkov <bp@suse.de>2020-08-18 15:40:30 +0200
commit45bc6098a3e279d8e391d22428396687562797e2 (patch)
tree4d790540ea254bed87afa7a84c3de23ae4b0bf4d
parentLinux 5.9-rc1 (diff)
downloadlinux-45bc6098a3e279d8e391d22428396687562797e2.tar.xz
linux-45bc6098a3e279d8e391d22428396687562797e2.zip
EDAC/{i7core,sb,pnd2,skx}: Fix error event severity
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> Signed-off-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Borislav Petkov <bp@suse.de> Cc: <stable@vger.kernel.org> Link: https://lkml.kernel.org/r/20200707194324.14884-1-tony.luck@intel.com
-rw-r--r--drivers/edac/i7core_edac.c4
-rw-r--r--drivers/edac/pnd2_edac.c2
-rw-r--r--drivers/edac/sb_edac.c4
-rw-r--r--drivers/edac/skx_common.c4
4 files changed, 7 insertions, 7 deletions
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;