58 …KSP                       kspupper;   /* The solver for A in the upper diagonal part of the factor…  member
232     if (jac->head && jac->kspupper != jac->head->ksp) {  in PCView_FieldSplit_Schur()
235       if (jac->kspupper) PetscCall(KSPView(jac->kspupper, viewer));  in PCView_FieldSplit_Schur()
256     if (jac->kspupper != jac->head->ksp) cnt++;  in PCView_FieldSplit_Schur()
275     if (jac->kspupper != jac->head->ksp) {  in PCView_FieldSplit_Schur()
278       PetscCall(KSPView(jac->kspupper, viewer));  in PCView_FieldSplit_Schur()
860       KSP      kspA = jac->head->ksp, kspInner = NULL, kspUpper = jac->kspupper;  in PCSetUp_FieldSplit()
883       } else if (jac->schurpre == PC_FIELDSPLIT_SCHUR_PRE_FULL && jac->kspupper != jac->head->ksp) {  in PCSetUp_FieldSplit()
980         PetscCall(KSPCreate(PetscObjectComm((PetscObject)pc), &jac->kspupper));  in PCSetUp_FieldSplit()
981         PetscCall(KSPSetNestLevel(jac->kspupper, pc->kspnestlevel));  in PCSetUp_FieldSplit()
982         PetscCall(KSPSetErrorIfNotConverged(jac->kspupper, pc->erroriffailure));  in PCSetUp_FieldSplit()
983         PetscCall(KSPSetOptionsPrefix(jac->kspupper, schurprefix));  in PCSetUp_FieldSplit()
984         PetscCall(PetscObjectIncrementTabLevel((PetscObject)jac->kspupper, (PetscObject)pc, 1));  in PCSetUp_FieldSplit()
985         PetscCall(PetscObjectIncrementTabLevel((PetscObject)jac->kspupper->pc, (PetscObject)pc, 1));  in PCSetUp_FieldSplit()
987         PetscCall(KSPSetDM(jac->kspupper, dmInner));  in PCSetUp_FieldSplit()
988         PetscCall(KSPSetDMActive(jac->kspupper, KSP_DMACTIVE_ALL, PETSC_FALSE));  in PCSetUp_FieldSplit()
989         PetscCall(KSPSetFromOptions(jac->kspupper));  in PCSetUp_FieldSplit()
990         PetscCall(KSPSetOperators(jac->kspupper, jac->mat[0], jac->pmat[0]));  in PCSetUp_FieldSplit()
993         jac->kspupper = jac->head->ksp;  in PCSetUp_FieldSplit()
1008 …if (jac->schurfactorization != PC_FIELDSPLIT_SCHUR_FACT_FULL || jac->kspupper != jac->head->ksp) P…  in PCSetUp_FieldSplit()
1112   KSP               kspA = ilinkA->ksp, kspUpper = jac->kspupper;  in PCSetUpOnBlocks_FieldSplit_Schur()
1192   KSP               kspA = ilinkA->ksp, kspLower = kspA, kspUpper = jac->kspupper;  in PCApply_FieldSplit_Schur()
1396   KSP               kspA = ilinkA->ksp, kspLower = kspA, kspUpper = jac->kspupper;  in PCMatApply_FieldSplit_Schur()
1559   KSP               kspA = ilinkA->ksp, kspLower = kspA, kspUpper = jac->kspupper;  in PCApplyTranspose_FieldSplit_Schur()
2096   PetscCall(KSPDestroy(&jac->kspupper));  in PCReset_FieldSplit()
2190       if (jac->kspupper && jac->kspupper->totalits > 0) PetscCall(KSPSetFromOptions(jac->kspupper));  in PCSetFromOptions_FieldSplit()
2265     nn = jac->nsplits + (jac->kspupper != jac->head->ksp ? 1 : 0);  in PCFieldSplitSchurGetSubKSP_FieldSplit()
2269     if (jac->kspupper != jac->head->ksp) (*subksp)[2] = jac->kspupper;  in PCFieldSplitSchurGetSubKSP_FieldSplit()