From: Thorsten Glaser <t.glaser@tarent.de>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Naresh Kamboju <naresh.kamboju@linaro.org>,
Mathias Nyman <mathias.nyman@intel.com>,
Johannes Berg <johannes@sipsolutions.net>,
Jakub Kicinski <kuba@kernel.org>,
Shuah Khan <skhan@linuxfoundation.org>,
Brendan Higgins <brendanhiggins@google.com>,
Ariel Elior <aelior@marvell.com>,
GR-everest-linux-l2@marvell.com, Wei Liu <wei.liu@kernel.org>,
Linux ARM <linux-arm-kernel@lists.infradead.org>,
open list <linux-kernel@vger.kernel.org>,
Netdev <netdev@vger.kernel.org>,
lkft-triage@lists.linaro.org, Arnd Bergmann <arnd@arndb.de>,
"David S. Miller" <davem@davemloft.net>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Nick Desaulniers <ndesaulniers@google.com>,
Nathan Chancellor <nathan@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Alexei Starovoitov <ast@kernel.org>,
Eric Dumazet <edumazet@google.com>
Subject: Re: ipv4/tcp.c:4234:1: error: the frame size of 1152 bytes is larger than 1024 bytes [-Werror=frame-larger-than=]
Date: Wed, 8 Sep 2021 15:48:31 +0200 (CEST) [thread overview]
Message-ID: <53ce8db-3372-b5e2-cee7-c0ebe9c45a9@tarent.de> (raw)
In-Reply-To: <CAHk-=whF9F89vsfH8E9TGc0tZA-yhzi2Di8wOtquNB5vRkFX5w@mail.gmail.com>
On Tue, 7 Sep 2021, Linus Torvalds wrote:
> The do_tcp_getsockopt() one in tpc.c is a classic case of "lots of
> different case statements, many of them with their own struct
> allocations on stack, and all of them disjoint".
Any compiler developers here? AFAIK the compiler knows the lifetime
of function-local variables, so why not alias the actual memory
locations and ranges to minimise stack usage?
bye,
//mirabilos
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next prev parent reply other threads:[~2021-09-08 13:48 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-06 12:27 ipv4/tcp.c:4234:1: error: the frame size of 1152 bytes is larger than 1024 bytes [-Werror=frame-larger-than=] Naresh Kamboju
2021-09-07 22:16 ` Linus Torvalds
2021-09-07 23:14 ` Linus Torvalds
2021-09-07 23:35 ` Nathan Chancellor
2021-09-07 23:49 ` Linus Torvalds
2021-09-08 0:15 ` Nathan Chancellor
2021-09-08 1:35 ` Linus Torvalds
2021-09-08 1:43 ` Linus Torvalds
2021-09-08 17:00 ` Arnd Bergmann
2021-09-08 7:09 ` Johannes Berg
2021-09-08 10:03 ` Wei Liu
2021-09-08 14:51 ` David Laight
2021-09-08 15:23 ` Wei Liu
2021-09-08 16:05 ` David Laight
2021-09-08 15:59 ` Linus Torvalds
2021-09-08 16:12 ` Wei Liu
2021-09-08 13:48 ` Thorsten Glaser [this message]
2021-09-08 14:50 ` Eric Dumazet
2021-09-08 15:48 ` Linus Torvalds
2021-09-08 16:56 ` Arnd Bergmann
2021-09-08 14:11 ` Shuah Khan
2021-09-08 17:05 ` Arnd Bergmann
2021-09-08 17:16 ` Shuah Khan
2021-09-08 21:24 ` Brendan Higgins
2021-09-08 22:27 ` Linus Torvalds
2021-09-13 20:55 ` Shuah Khan
2021-09-14 20:46 ` Brendan Higgins
2021-09-14 22:03 ` Arnd Bergmann
2021-09-17 5:39 ` Brendan Higgins
2021-09-17 6:16 ` Brendan Higgins
2021-09-17 7:20 ` Arnd Bergmann
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