On 16/12/2023 14.42, Nicholas Piggin wrote:
SPRs annotated with SPR_HARNESS can change between consecutive reads
because the test harness code has changed them. Avoid failing the
test in this case.

[XER was observed to change after the next changeset to use mdelay.]

Signed-off-by: Nicholas Piggin <npig...@gmail.com>
---
  powerpc/sprs.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/powerpc/sprs.c b/powerpc/sprs.c
index cd8b472d..01041912 100644
--- a/powerpc/sprs.c
+++ b/powerpc/sprs.c
@@ -557,7 +557,7 @@ int main(int argc, char **argv)
                        if (before[i] >> 32)
                                pass = false;
                }
-               if (!(sprs[i].type & SPR_ASYNC) && (before[i] != after[i]))
+               if (!(sprs[i].type & (SPR_HARNESS|SPR_ASYNC)) && (before[i] != 
after[i]))
                        pass = false;

I guess you could even squash this into the previous patch.

Anyway:
Reviewed-by: Thomas Huth <th...@redhat.com>

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