From: Michael Ellerman <mpe@ellerman.id.au>
To: trinity@vger.kernel.org
Subject: [PATCH] Ignore ENOSYS from sys_msgrcv() and sys_ipc()
Date: Wed, 4 Jun 2014 16:05:29 +1000 [thread overview]
Message-ID: <1401861929-23686-1-git-send-email-mpe@ellerman.id.au> (raw)
sys_msgrcv() and therefore also sys_ipc() can return ENOSYS when
CONFIG_CHECKPOINT_RESTORE=n. See prepare_copy() in ipc/msg.c.
---
syscalls/ipc.c | 1 +
syscalls/msgrcv.c | 1 +
2 files changed, 2 insertions(+)
diff --git a/syscalls/ipc.c b/syscalls/ipc.c
index d11d48d..ff161be 100644
--- a/syscalls/ipc.c
+++ b/syscalls/ipc.c
@@ -24,4 +24,5 @@ struct syscallentry syscall_ipc = {
.arg5name = "ptr",
.arg5type = ARG_ADDRESS,
.arg6name = "fifth",
+ .flags = IGNORE_ENOSYS,
};
diff --git a/syscalls/msgrcv.c b/syscalls/msgrcv.c
index 44f11d5..2bfca90 100644
--- a/syscalls/msgrcv.c
+++ b/syscalls/msgrcv.c
@@ -21,4 +21,5 @@ struct syscallentry syscall_msgrcv = {
.num = 4,
.values = { MSG_NOERROR, MSG_EXCEPT, MSG_COPY, IPC_NOWAIT },
},
+ .flags = IGNORE_ENOSYS,
};
--
1.9.1
next reply other threads:[~2014-06-04 6:05 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-04 6:05 Michael Ellerman [this message]
2014-06-04 19:35 ` [PATCH] Ignore ENOSYS from sys_msgrcv() and sys_ipc() Dave Jones
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