On 2/15/24 3:57 PM, Bjorn Helgaas wrote: > On Thu, Feb 15, 2024 at 01:40:48PM -0600, Ben Cheatham wrote: >> Add support for CXL.mem Timeout & Isolation interrupts. A CXL root port >> under isolation will not complete writes and will return an exception >> response (i.e. poison) on reads (CXL 3.0 12.3.2). Therefore, when a >> CXL-enabled PCIe root port enters isolation, we assume that the memory >> under the port is unreachable and will need to be unmapped. > >> --- a/drivers/pci/pcie/portdrv.h >> +++ b/drivers/pci/pcie/portdrv.h >> @@ -10,6 +10,7 @@ >> #define _PORTDRV_H_ >> >> #include <linux/compiler.h> >> +#include <linux/errno.h> > > This doesn't look required by portdrv.h. If it's only needed by > something that *includes* portdrv.h, I think errno.h should be > included by that .c file instead. > I agree. It's a remnant of an older version of this that had a declaration that needed it, I'll remove it. Thanks again, Ben
