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From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: alex.bennee@linaro.org
Subject: [PATCH v3 12/25] Simplify syncing with master
Date: Thu, 21 May 2020 19:34:27 -0700	[thread overview]
Message-ID: <20200522023440.26261-13-richard.henderson@linaro.org> (raw)
In-Reply-To: <20200522023440.26261-1-richard.henderson@linaro.org>

Do not pass status like RES_BAD_IO from apprentice to master.
This means that when master reports i/o error that we know it
came from master; the apprentice will report its own i/o error.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 reginfo.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/reginfo.c b/reginfo.c
index c37c5df..31bc699 100644
--- a/reginfo.c
+++ b/reginfo.c
@@ -90,10 +90,9 @@ RisuResult recv_and_compare_register_info(void *uc)
     }
 
     if (header.risu_op != op) {
-        /* We are out of sync */
-        res = RES_BAD_IO;
-        respond(res);
-        return res;
+        /* We are out of sync.  Tell master to exit. */
+        respond(RES_END);
+        return RES_BAD_IO;
     }
 
     /* send OK for the header */
@@ -115,7 +114,7 @@ RisuResult recv_and_compare_register_info(void *uc)
         } else if (op == OP_TESTEND) {
             res = RES_END;
         }
-        respond(res);
+        respond(res == RES_OK ? RES_OK : RES_END);
         break;
     case OP_SETMEMBLOCK:
         memblock = (void *)(uintptr_t)get_reginfo_paramreg(&apprentice_ri);
@@ -133,7 +132,7 @@ RisuResult recv_and_compare_register_info(void *uc)
             /* memory mismatch */
             res = RES_MISMATCH;
         }
-        respond(res);
+        respond(res == RES_OK ? RES_OK : RES_END);
         break;
     default:
         abort();
-- 
2.20.1



  parent reply	other threads:[~2020-05-22  2:42 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-22  2:34 [PATCH v3 00/25] risu cleanups and improvements Richard Henderson
2020-05-22  2:34 ` [PATCH v3 01/25] Use bool for tracing variables Richard Henderson
2020-05-22  2:34 ` [PATCH v3 02/25] Unify master_fd and apprentice_fd to comm_fd Richard Henderson
2020-05-22  2:34 ` [PATCH v3 03/25] Hoist trace file and socket opening Richard Henderson
2020-05-22  2:34 ` [PATCH v3 04/25] Adjust tracefile open for write Richard Henderson
2020-05-22  2:34 ` [PATCH v3 05/25] Use EXIT_FAILURE, EXIT_SUCCESS Richard Henderson
2020-05-22  2:34 ` [PATCH v3 06/25] Make some risu.c symbols static Richard Henderson
2020-05-22  2:34 ` [PATCH v3 07/25] Add enum RisuOp Richard Henderson
2020-05-22  2:34 ` [PATCH v3 08/25] Add enum RisuResult Richard Henderson
2020-05-22  2:34 ` [PATCH v3 09/25] Unify i/o functions and use RisuResult Richard Henderson
2020-05-22  2:34 ` [PATCH v3 10/25] Pass non-OK result back through siglongjmp Richard Henderson
2020-05-22  2:34 ` [PATCH v3 11/25] Always write for --master Richard Henderson
2020-05-22  2:34 ` Richard Henderson [this message]
2020-05-22  2:34 ` [PATCH v3 13/25] Split RES_MISMATCH for registers and memory Richard Henderson
2020-05-22  2:34 ` [PATCH v3 14/25] Merge reginfo.c into risu.c Richard Henderson
2020-06-23  8:33   ` Alex Bennée
2020-05-22  2:34 ` [PATCH v3 15/25] Rearrange reginfo and memblock buffers Richard Henderson
2020-06-23  8:47   ` Alex Bennée
2020-05-22  2:34 ` [PATCH v3 16/25] Split out recv_register_info Richard Henderson
2020-06-23 10:38   ` Alex Bennée
2020-05-22  2:34 ` [PATCH v3 17/25] Add magic and size to the trace header Richard Henderson
2020-06-23 14:52   ` Alex Bennée
2020-05-22  2:34 ` [PATCH v3 18/25] Compute reginfo_size based on the reginfo Richard Henderson
2020-06-23 14:54   ` Alex Bennée
2020-05-22  2:34 ` [PATCH v3 19/25] aarch64: Reorg sve reginfo to save space Richard Henderson
2020-06-23 16:32   ` Alex Bennée
2020-05-22  2:34 ` [PATCH v3 20/25] aarch64: Use arch_init to configure sve Richard Henderson
2020-06-23 16:54   ` Alex Bennée
2020-05-22  2:34 ` [PATCH v3 21/25] ppc64: Use uint64_t to represent double Richard Henderson
2020-06-23 16:58   ` Alex Bennée
2020-05-22  2:34 ` [PATCH v3 22/25] Standardize reginfo_dump_mismatch printing Richard Henderson
2020-06-23 17:03   ` Alex Bennée
2020-05-22  2:34 ` [PATCH v3 23/25] Add --fulldump and --diffdup options Richard Henderson
2020-05-22  2:34 ` [PATCH v3 24/25] Remove return value from reginfo_dump Richard Henderson
2020-06-23 17:38   ` Alex Bennée
2020-05-22  2:34 ` [PATCH v3 25/25] ppc64: Clean up reginfo handling Richard Henderson
2020-05-22  4:10   ` Richard Henderson
2020-06-23 17:45   ` Alex Bennée
2020-06-23 18:06     ` Richard Henderson
2020-06-22 19:17 ` [PATCH v3 00/25] risu cleanups and improvements Peter Maydell
2020-06-23  8:23   ` Alex Bennée
2020-06-23  9:00 ` Alex Bennée
2020-06-23 13:30   ` Alex Bennée
2020-06-23 20:26   ` Richard Henderson
2020-06-23 14:44 ` [PATCH] risu: don't do a full register compare for OP_SIGILL Alex Bennée
2020-06-23 15:23   ` Richard Henderson
2020-06-23 15:54   ` Peter Maydell
2020-06-23 16:17     ` Alex Bennée
2020-06-23 19:55       ` Richard Henderson

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