@@ -61,10 +61,6 @@ be initiated although firmwares have no _OSC support. To enable the
walkaround, pls. add aerdriver.forceload=y to kernel boot parameter line
when booting kernel. Note that forceload=n by default.
-nosourceid, another parameter of type bool, can be used when broken
-hardware (mostly chipsets) has root ports that cannot obtain the reporting
-source ID. nosourceid=n by default.
-
2.3 AER error output
When a PCI-E AER error is captured, an error message will be outputted to
console. If it's a correctable error, it is outputted as a warning.
@@ -28,9 +28,7 @@
#include "aerdrv.h"
static bool forceload;
-static bool nosourceid;
module_param(forceload, bool, 0);
-module_param(nosourceid, bool, 0);
#define PCI_EXP_AER_FLAGS (PCI_EXP_DEVCTL_CERE | PCI_EXP_DEVCTL_NFERE | \
PCI_EXP_DEVCTL_FERE | PCI_EXP_DEVCTL_URRE)
@@ -132,8 +130,7 @@ static bool is_error_source(struct pci_dev *dev, struct aer_err_info *e_info)
* When bus id is equal to 0, it might be a bad id
* reported by root port.
*/
- if (!nosourceid &&
- (PCI_BUS_NUM(e_info->id) != 0) &&
+ if ((PCI_BUS_NUM(e_info->id) != 0) &&
!(dev->bus->bus_flags & PCI_BUS_FLAGS_NO_AERSID)) {
/* Device ID match? */
if (e_info->id == ((dev->bus->number << 8) | dev->devfn))
@@ -146,11 +143,10 @@ static bool is_error_source(struct pci_dev *dev, struct aer_err_info *e_info)
/*
* When either
- * 1) nosourceid==y;
- * 2) bus id is equal to 0. Some ports might lose the bus
+ * 1) bus id is equal to 0. Some ports might lose the bus
* id of error source id;
- * 3) bus flag PCI_BUS_FLAGS_NO_AERSID is set
- * 4) There are multiple errors and prior ID comparing fails;
+ * 2) bus flag PCI_BUS_FLAGS_NO_AERSID is set
+ * 3) There are multiple errors and prior ID comparing fails;
* We check AER status registers to find possible reporter.
*/
if (atomic_read(&dev->enable_cnt) == 0)
The aerdriver.nosourceid kernel parameter was intended for working around broken chipsets don't supply the source ID for AER events. We recently added PCI_BUS_FLAGS_NO_AERSID, which can be set by quirks for the same purpose. Remove the aerdriver.nosourceid kernel parameter. For anything other than debugging, asking users to find and use kernel parameters is a poor user experience. Instead, we should add PCI_BUS_FLAGS_NO_AERSID quirks for any hardware that needs it. Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> --- Documentation/PCI/pcieaer-howto.txt | 4 ---- drivers/pci/pcie/aer/aerdrv_core.c | 12 ++++-------- 2 files changed, 4 insertions(+), 12 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html