From: Ian Munsie <[email protected]> If a context is being detached and we get a translation fault for it there is little point getting it's mm and handling the fault, so just respond with an address error and return earlier.
Signed-off-by: Ian Munsie <[email protected]> --- drivers/misc/cxl/fault.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/misc/cxl/fault.c b/drivers/misc/cxl/fault.c index c99e896..3e8c06a 100644 --- a/drivers/misc/cxl/fault.c +++ b/drivers/misc/cxl/fault.c @@ -176,6 +176,12 @@ void cxl_handle_fault(struct work_struct *fault_work) return; } + /* Early return if the context is being / has been detached */ + if (ctx->status == CLOSED) { + cxl_ack_ae(ctx); + return; + } + pr_devel("CXL BOTTOM HALF handling fault for afu pe: %i. " "DSISR: %#llx DAR: %#llx\n", ctx->pe, dsisr, dar); -- 2.1.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
