From: Paolo Bonzini <pbonzini@redhat.com>
To: qemu-devel@nongnu.org
Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Subject: [PATCH] memory: use RCU_READ_LOCK_GUARD
Date: Fri, 13 Dec 2019 15:08:31 +0100 [thread overview]
Message-ID: <1576246112-23406-1-git-send-email-pbonzini@redhat.com> (raw)
Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
include/exec/memory.h | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/include/exec/memory.h b/include/exec/memory.h
index e499dc2..e42a9d7 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -2165,7 +2165,7 @@ MemTxResult address_space_read(AddressSpace *as, hwaddr addr,
if (__builtin_constant_p(len)) {
if (len) {
- rcu_read_lock();
+ RCU_READ_LOCK_GUARD();
fv = address_space_to_flatview(as);
l = len;
mr = flatview_translate(fv, addr, &addr1, &l, false, attrs);
@@ -2176,7 +2176,6 @@ MemTxResult address_space_read(AddressSpace *as, hwaddr addr,
result = flatview_read_continue(fv, addr, attrs, buf, len,
addr1, l, mr);
}
- rcu_read_unlock();
}
} else {
result = address_space_read_full(as, addr, attrs, buf, len);
--
1.8.3.1
next reply other threads:[~2019-12-13 21:26 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-13 14:08 Paolo Bonzini [this message]
2019-12-13 14:57 ` [PATCH] memory: use RCU_READ_LOCK_GUARD Dr. David Alan Gilbert
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1576246112-23406-1-git-send-email-pbonzini@redhat.com \
--to=pbonzini@redhat.com \
--cc=dgilbert@redhat.com \
--cc=qemu-devel@nongnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).