Re: ipv4/tcp.c:4234:1: error: the frame size of 1152 bytes is larger than 1024 bytes [-Werror=frame-larger-than=]
From: Thorsten Glaser
Date: Wed Sep 08 2021 - 09:54:43 EST
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
--
Infrastrukturexperte • tarent solutions GmbH
Am Dickobskreuz 10, D-53121 Bonn • http://www.tarent.de/
Telephon +49 228 54881-393 • Fax: +49 228 54881-235
HRB AG Bonn 5168 • USt-ID (VAT): DE122264941
Geschäftsführer: Dr. Stefan Barth, Kai Ebenrett, Boris Esser, Alexander Steeg
****************************************************
/⁀\ The UTF-8 Ribbon
╲ ╱ Campaign against Mit dem tarent-Newsletter nichts mehr verpassen:
╳ HTML eMail! Also, https://www.tarent.de/newsletter
╱ ╲ header encryption!
****************************************************