This is a note to let you know that I've just added the patch titled tools headers UAPI: Sync linux/in.h copy with the kernel sources to the 5.12-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: tools-headers-uapi-sync-linux-in.h-copy-with-the-kernel-sources.patch and it can be found in the queue-5.12 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 1792a59eab9593de2eae36c40c5a22d70f52c026 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> Date: Sat, 19 Jun 2021 10:15:22 -0300 Subject: tools headers UAPI: Sync linux/in.h copy with the kernel sources MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> commit 1792a59eab9593de2eae36c40c5a22d70f52c026 upstream. To pick the changes in: 321827477360934d ("icmp: don't send out ICMP messages with a source address of 0.0.0.0") That don't result in any change in tooling, as INADDR_ are not used to generate id->string tables used by 'perf trace'. This addresses this build warning: Warning: Kernel ABI header at 'tools/include/uapi/linux/in.h' differs from latest version at 'include/uapi/linux/in.h' diff -u tools/include/uapi/linux/in.h include/uapi/linux/in.h Cc: David S. Miller <davem@xxxxxxxxxxxxx> Cc: Toke Høiland-Jørgensen <toke@xxxxxxxxxx> Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- tools/include/uapi/linux/in.h | 3 +++ 1 file changed, 3 insertions(+) --- a/tools/include/uapi/linux/in.h +++ b/tools/include/uapi/linux/in.h @@ -289,6 +289,9 @@ struct sockaddr_in { /* Address indicating an error return. */ #define INADDR_NONE ((unsigned long int) 0xffffffff) +/* Dummy address for src of ICMP replies if no real address is set (RFC7600). */ +#define INADDR_DUMMY ((unsigned long int) 0xc0000008) + /* Network number for local host loopback. */ #define IN_LOOPBACKNET 127 Patches currently in stable-queue which might be from acme@xxxxxxxxxx are queue-5.12/perf-beauty-update-copy-of-linux-socket.h-with-the-kernel-sources.patch queue-5.12/tools-headers-uapi-sync-linux-in.h-copy-with-the-kernel-sources.patch queue-5.12/perf-metricgroup-return-error-code-from-metricgroup_.patch queue-5.12/perf-metricgroup-fix-find_evsel_group-event-selector.patch