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path: root/drivers/misc/cxl/fault.c
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Diffstat (limited to 'drivers/misc/cxl/fault.c')
-rw-r--r--drivers/misc/cxl/fault.c25
1 files changed, 14 insertions, 11 deletions
diff --git a/drivers/misc/cxl/fault.c b/drivers/misc/cxl/fault.c
index 81c3f75b7..9a8650bcb 100644
--- a/drivers/misc/cxl/fault.c
+++ b/drivers/misc/cxl/fault.c
@@ -101,7 +101,7 @@ static void cxl_ack_ae(struct cxl_context *ctx)
{
unsigned long flags;
- cxl_ack_irq(ctx, CXL_PSL_TFC_An_AE, 0);
+ cxl_ops->ack_irq(ctx, CXL_PSL_TFC_An_AE, 0);
spin_lock_irqsave(&ctx->lock, flags);
ctx->pending_fault = true;
@@ -125,7 +125,7 @@ static int cxl_handle_segment_miss(struct cxl_context *ctx,
else {
mb(); /* Order seg table write to TFC MMIO write */
- cxl_ack_irq(ctx, CXL_PSL_TFC_An_R, 0);
+ cxl_ops->ack_irq(ctx, CXL_PSL_TFC_An_R, 0);
}
return IRQ_HANDLED;
@@ -163,7 +163,7 @@ static void cxl_handle_page_fault(struct cxl_context *ctx,
local_irq_restore(flags);
pr_devel("Page fault successfully handled for pe: %i!\n", ctx->pe);
- cxl_ack_irq(ctx, CXL_PSL_TFC_An_R, 0);
+ cxl_ops->ack_irq(ctx, CXL_PSL_TFC_An_R, 0);
}
/*
@@ -254,14 +254,17 @@ void cxl_handle_fault(struct work_struct *fault_work)
u64 dar = ctx->dar;
struct mm_struct *mm = NULL;
- if (cxl_p2n_read(ctx->afu, CXL_PSL_DSISR_An) != dsisr ||
- cxl_p2n_read(ctx->afu, CXL_PSL_DAR_An) != dar ||
- cxl_p2n_read(ctx->afu, CXL_PSL_PEHandle_An) != ctx->pe) {
- /* Most likely explanation is harmless - a dedicated process
- * has detached and these were cleared by the PSL purge, but
- * warn about it just in case */
- dev_notice(&ctx->afu->dev, "cxl_handle_fault: Translation fault regs changed\n");
- return;
+ if (cpu_has_feature(CPU_FTR_HVMODE)) {
+ if (cxl_p2n_read(ctx->afu, CXL_PSL_DSISR_An) != dsisr ||
+ cxl_p2n_read(ctx->afu, CXL_PSL_DAR_An) != dar ||
+ cxl_p2n_read(ctx->afu, CXL_PSL_PEHandle_An) != ctx->pe) {
+ /* Most likely explanation is harmless - a dedicated
+ * process has detached and these were cleared by the
+ * PSL purge, but warn about it just in case
+ */
+ dev_notice(&ctx->afu->dev, "cxl_handle_fault: Translation fault regs changed\n");
+ return;
+ }
}
/* Early return if the context is being / has been detached */