diff options
Diffstat (limited to 'drivers/misc/cxl/fault.c')
| -rw-r--r-- | drivers/misc/cxl/fault.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/misc/cxl/fault.c b/drivers/misc/cxl/fault.c index f8684bca2d7..5286b8b704f 100644 --- a/drivers/misc/cxl/fault.c +++ b/drivers/misc/cxl/fault.c @@ -20,6 +20,7 @@ #include <asm/mmu.h> #include "cxl.h" +#include "trace.h" static bool sste_matches(struct cxl_sste *sste, struct copro_slb *slb) { @@ -75,6 +76,7 @@ static void cxl_load_segment(struct cxl_context *ctx, struct copro_slb *slb) pr_devel("CXL Populating SST[%li]: %#llx %#llx\n", sste - ctx->sstp, slb->vsid, slb->esid); + trace_cxl_ste_write(ctx, sste - ctx->sstp, slb->esid, slb->vsid); sste->vsid_data = cpu_to_be64(slb->vsid); sste->esid_data = cpu_to_be64(slb->esid); @@ -116,6 +118,7 @@ static int cxl_handle_segment_miss(struct cxl_context *ctx, int rc; pr_devel("CXL interrupt: Segment fault pe: %i ea: %#llx\n", ctx->pe, ea); + trace_cxl_ste_miss(ctx, ea); if ((rc = cxl_fault_segment(ctx, mm, ea))) cxl_ack_ae(ctx); @@ -135,6 +138,8 @@ static void cxl_handle_page_fault(struct cxl_context *ctx, int result; unsigned long access, flags, inv_flags = 0; + trace_cxl_pte_miss(ctx, dsisr, dar); + if ((result = copro_handle_mm_fault(mm, dar, dsisr, &flt))) { pr_devel("copro_handle_mm_fault failed: %#x\n", result); return cxl_ack_ae(ctx); @@ -180,6 +185,12 @@ 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); |