* [PATCH 4.19 155/422] EDAC, sb_edac: Return early on ADDRV bit and address type test
[not found] <20191119051400.261610025@linuxfoundation.org>
@ 2019-11-19 5:15 ` Greg Kroah-Hartman
2019-11-19 5:18 ` [PATCH 4.19 322/422] EDAC: Correct DIMM capacity unit symbol Greg Kroah-Hartman
2019-11-19 5:19 ` [PATCH 4.19 381/422] EDAC: Raise the maximum number of memory controllers Greg Kroah-Hartman
2 siblings, 0 replies; 3+ messages in thread
From: Greg Kroah-Hartman @ 2019-11-19 5:15 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Qiuxu Zhuo, Aristeu Rozanski,
Mauro Carvalho Chehab, linux-edac, Tony Luck, Borislav Petkov,
Sasha Levin
From: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
[ Upstream commit dcc960b225ceb2bd66c45e0845d03e577f7010f9 ]
Users of the mce_register_decode_chain() are called for every logged
error. EDAC drivers should check:
1) Is this a memory error? [bit 7 in status register]
2) Is there a valid address? [bit 58 in status register]
3) Is the address a system address? [bitfield 8:6 in misc register]
The sb_edac driver performed test "1" twice. Waited far too long to
perform check "2". Didn't do check "3" at all.
Fix it by moving the test for valid address from
sbridge_mce_output_error() into sbridge_mce_check_error() and add a test
for the type immediately after. Delete the redundant check for the type
of the error from sbridge_mce_output_error().
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Cc: Aristeu Rozanski <aris@redhat.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20180907230828.13901-2-tony.luck@intel.com
[ Re-word commit message. ]
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/edac/sb_edac.c | 68 ++++++++++++++++++++++--------------------
1 file changed, 35 insertions(+), 33 deletions(-)
diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c
index 72cea3cb86224..7447f1453200d 100644
--- a/drivers/edac/sb_edac.c
+++ b/drivers/edac/sb_edac.c
@@ -2912,35 +2912,27 @@ static void sbridge_mce_output_error(struct mem_ctl_info *mci,
* cccc = channel
* If the mask doesn't match, report an error to the parsing logic
*/
- if (! ((errcode & 0xef80) == 0x80)) {
- optype = "Can't parse: it is not a mem";
- } else {
- switch (optypenum) {
- case 0:
- optype = "generic undef request error";
- break;
- case 1:
- optype = "memory read error";
- break;
- case 2:
- optype = "memory write error";
- break;
- case 3:
- optype = "addr/cmd error";
- break;
- case 4:
- optype = "memory scrubbing error";
- break;
- default:
- optype = "reserved";
- break;
- }
+ switch (optypenum) {
+ case 0:
+ optype = "generic undef request error";
+ break;
+ case 1:
+ optype = "memory read error";
+ break;
+ case 2:
+ optype = "memory write error";
+ break;
+ case 3:
+ optype = "addr/cmd error";
+ break;
+ case 4:
+ optype = "memory scrubbing error";
+ break;
+ default:
+ optype = "reserved";
+ break;
}
- /* Only decode errors with an valid address (ADDRV) */
- if (!GET_BITFIELD(m->status, 58, 58))
- return;
-
if (pvt->info.type == KNIGHTS_LANDING) {
if (channel == 14) {
edac_dbg(0, "%s%s err_code:%04x:%04x EDRAM bank %d\n",
@@ -3046,17 +3038,11 @@ static int sbridge_mce_check_error(struct notifier_block *nb, unsigned long val,
{
struct mce *mce = (struct mce *)data;
struct mem_ctl_info *mci;
- struct sbridge_pvt *pvt;
char *type;
if (edac_get_report_status() == EDAC_REPORTING_DISABLED)
return NOTIFY_DONE;
- mci = get_mci_for_node_id(mce->socketid, IMC0);
- if (!mci)
- return NOTIFY_DONE;
- pvt = mci->pvt_info;
-
/*
* Just let mcelog handle it if the error is
* outside the memory controller. A memory error
@@ -3066,6 +3052,22 @@ static int sbridge_mce_check_error(struct notifier_block *nb, unsigned long val,
if ((mce->status & 0xefff) >> 7 != 1)
return NOTIFY_DONE;
+ /* Check ADDRV bit in STATUS */
+ if (!GET_BITFIELD(mce->status, 58, 58))
+ return NOTIFY_DONE;
+
+ /* Check MISCV bit in STATUS */
+ if (!GET_BITFIELD(mce->status, 59, 59))
+ return NOTIFY_DONE;
+
+ /* Check address type in MISC (physical address only) */
+ if (GET_BITFIELD(mce->misc, 6, 8) != 2)
+ return NOTIFY_DONE;
+
+ mci = get_mci_for_node_id(mce->socketid, IMC0);
+ if (!mci)
+ return NOTIFY_DONE;
+
if (mce->mcgstatus & MCG_STATUS_MCIP)
type = "Exception";
else
--
2.20.1
^ permalink raw reply related [flat|nested] 3+ messages in thread* [PATCH 4.19 322/422] EDAC: Correct DIMM capacity unit symbol
[not found] <20191119051400.261610025@linuxfoundation.org>
2019-11-19 5:15 ` [PATCH 4.19 155/422] EDAC, sb_edac: Return early on ADDRV bit and address type test Greg Kroah-Hartman
@ 2019-11-19 5:18 ` Greg Kroah-Hartman
2019-11-19 5:19 ` [PATCH 4.19 381/422] EDAC: Raise the maximum number of memory controllers Greg Kroah-Hartman
2 siblings, 0 replies; 3+ messages in thread
From: Greg Kroah-Hartman @ 2019-11-19 5:18 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Qiuxu Zhuo, Tony Luck,
Borislav Petkov, Aristeu Rozanski, Mauro Carvalho Chehab,
linux-edac, Sasha Levin
From: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
[ Upstream commit 6f6da136046294a1e8d2944336eb97412751f653 ]
The {i3200|i7core|sb|skx}_edac drivers show DIMM capacity using the
wrong unit symbol: 'Mb' - megabit. Fix them by replacing 'Mb' with
'MiB' - mebibyte.
[Tony: These are all "edac_dbg()" messages, so this won't break scripts
that parse console logs.]
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Aristeu Rozanski <aris@redhat.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: linux-edac@vger.kernel.org
Link: https://lkml.kernel.org/r/20180919003433.16475-1-tony.luck@intel.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/edac/i3200_edac.c | 2 +-
drivers/edac/i7core_edac.c | 2 +-
drivers/edac/sb_edac.c | 2 +-
drivers/edac/skx_edac.c | 4 ++--
4 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/edac/i3200_edac.c b/drivers/edac/i3200_edac.c
index d92d56cee1017..299b441647cd5 100644
--- a/drivers/edac/i3200_edac.c
+++ b/drivers/edac/i3200_edac.c
@@ -399,7 +399,7 @@ static int i3200_probe1(struct pci_dev *pdev, int dev_idx)
if (nr_pages == 0)
continue;
- edac_dbg(0, "csrow %d, channel %d%s, size = %ld Mb\n", i, j,
+ edac_dbg(0, "csrow %d, channel %d%s, size = %ld MiB\n", i, j,
stacked ? " (stacked)" : "", PAGES_TO_MiB(nr_pages));
dimm->nr_pages = nr_pages;
diff --git a/drivers/edac/i7core_edac.c b/drivers/edac/i7core_edac.c
index f1d19504a0281..4a3300c2da333 100644
--- a/drivers/edac/i7core_edac.c
+++ b/drivers/edac/i7core_edac.c
@@ -597,7 +597,7 @@ static int get_dimm_config(struct mem_ctl_info *mci)
/* DDR3 has 8 I/O banks */
size = (rows * cols * banks * ranks) >> (20 - 3);
- edac_dbg(0, "\tdimm %d %d Mb offset: %x, bank: %d, rank: %d, row: %#x, col: %#x\n",
+ edac_dbg(0, "\tdimm %d %d MiB offset: %x, bank: %d, rank: %d, row: %#x, col: %#x\n",
j, size,
RANKOFFSET(dimm_dod[j]),
banks, ranks, rows, cols);
diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c
index 7447f1453200d..53074ad361e58 100644
--- a/drivers/edac/sb_edac.c
+++ b/drivers/edac/sb_edac.c
@@ -1622,7 +1622,7 @@ static int __populate_dimms(struct mem_ctl_info *mci,
size = ((u64)rows * cols * banks * ranks) >> (20 - 3);
npages = MiB_TO_PAGES(size);
- edac_dbg(0, "mc#%d: ha %d channel %d, dimm %d, %lld Mb (%d pages) bank: %d, rank: %d, row: %#x, col: %#x\n",
+ edac_dbg(0, "mc#%d: ha %d channel %d, dimm %d, %lld MiB (%d pages) bank: %d, rank: %d, row: %#x, col: %#x\n",
pvt->sbridge_dev->mc, pvt->sbridge_dev->dom, i, j,
size, npages,
banks, ranks, rows, cols);
diff --git a/drivers/edac/skx_edac.c b/drivers/edac/skx_edac.c
index 4ba92f1dd0f74..dd209e0dd9abb 100644
--- a/drivers/edac/skx_edac.c
+++ b/drivers/edac/skx_edac.c
@@ -364,7 +364,7 @@ static int get_dimm_info(u32 mtr, u32 amap, struct dimm_info *dimm,
size = ((1ull << (rows + cols + ranks)) * banks) >> (20 - 3);
npages = MiB_TO_PAGES(size);
- edac_dbg(0, "mc#%d: channel %d, dimm %d, %lld Mb (%d pages) bank: %d, rank: %d, row: %#x, col: %#x\n",
+ edac_dbg(0, "mc#%d: channel %d, dimm %d, %lld MiB (%d pages) bank: %d, rank: %d, row: %#x, col: %#x\n",
imc->mc, chan, dimmno, size, npages,
banks, 1 << ranks, rows, cols);
@@ -424,7 +424,7 @@ unknown_size:
dimm->mtype = MEM_NVDIMM;
dimm->edac_mode = EDAC_SECDED; /* likely better than this */
- edac_dbg(0, "mc#%d: channel %d, dimm %d, %llu Mb (%u pages)\n",
+ edac_dbg(0, "mc#%d: channel %d, dimm %d, %llu MiB (%u pages)\n",
imc->mc, chan, dimmno, size >> 20, dimm->nr_pages);
snprintf(dimm->label, sizeof(dimm->label), "CPU_SrcID#%u_MC#%u_Chan#%u_DIMM#%u",
--
2.20.1
^ permalink raw reply related [flat|nested] 3+ messages in thread