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52 lines
1.7 KiB
52 lines
1.7 KiB
7 years ago
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commit 52231be034160c786735c6ae2f51ac7723c2e1fd
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Author: Dmitry V. Levin <ldv@altlinux.org>
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Date: Fri Sep 15 16:06:14 2017 +0000
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Update MEMBARRIER_CMD_* constants
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* xlat/membarrier_cmds.in: Add MEMBARRIER_CMD_PRIVATE_EXPEDITED
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introduced by kernel commit v4.14-rc1~174^2^2^4.
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* NEWS: Mention this.
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* tests/membarrier.c (main): Update expected output.
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diff -rup a/tests/membarrier.c b/tests/membarrier.c
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--- a/tests/membarrier.c 2016-04-21 14:16:50.000000000 -0400
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+++ b/tests/membarrier.c 2018-02-05 19:24:07.016341127 -0500
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@@ -42,10 +42,23 @@ main(void)
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printf("membarrier(0x3 /* MEMBARRIER_CMD_??? */, 255) = -1 %s (%m)\n",
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errno2name());
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if (errno != ENOSYS) {
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- /* the test needs to be updated? */
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- assert(syscall(__NR_membarrier, 0, 0) == 1);
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- puts("membarrier(MEMBARRIER_CMD_QUERY, 0)"
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- " = 0x1 (MEMBARRIER_CMD_SHARED)");
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+ const char *text;
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+ int rc = syscall(__NR_membarrier, 0, 0);
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+
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+ switch (rc) {
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+ case 1:
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+ text = "MEMBARRIER_CMD_SHARED";
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+ break;
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+ case 1|8:
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+ text = "MEMBARRIER_CMD_SHARED|"
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+ "MEMBARRIER_CMD_PRIVATE_EXPEDITED";
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+ break;
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+ default:
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+ error_msg_and_fail("membarrier returned %#x, does"
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+ " the test have to be updated?", rc);
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+ }
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+ printf("membarrier(MEMBARRIER_CMD_QUERY, 0) = %#x (%s)\n",
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+ rc, text);
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}
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puts("+++ exited with 0 +++");
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return 0;
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diff -rup a/xlat/membarrier_cmds.in b/xlat/membarrier_cmds.in
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--- a/xlat/membarrier_cmds.in 2015-11-16 19:40:22.000000000 -0500
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+++ b/xlat/membarrier_cmds.in 2018-02-05 19:23:39.097820501 -0500
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@@ -1,2 +1,3 @@
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-MEMBARRIER_CMD_QUERY 0
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-MEMBARRIER_CMD_SHARED 1
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+MEMBARRIER_CMD_QUERY 0
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+MEMBARRIER_CMD_SHARED 1
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+MEMBARRIER_CMD_PRIVATE_EXPEDITED 8
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