Re: F45 Change Proposal: Enable Shadow Stack by Default on x86_64 (system-wide)
Vitaly Zaitsev via devel <[email protected]>
| Newsgroups | gmane.linux.redhat.fedora.devel |
|---|---|
| Organization | EasyCoding |
| Message-ID | <[email protected]> |
On 03/07/2026 18:11, Arjun Shankar wrote: > We expect the impact to be low since this is a CPU feature. However, > we do plan to conduct performance testing. This had to be done before the proposal was published for voting. > We are exploring other compatibility mechanisms, particularly for > programs that are still single-threaded when they start dlopen'ing. > But there is certainly a compatibility cost. If this results in breaking NVIDIA drivers and other important third-party software, then this is absolutely unacceptable. > Execution on older CPUs without Shadow Stack support is completely > unaffected in any way. Any performance impact on these old CPUs? -- Sincerely, Vitaly Zaitsev ([email protected]) -- _______________________________________________ devel mailing list -- [email protected] To unsubscribe send an email to [email protected] Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/[email protected] Do not reply to spam, report it: https://forge.fedoraproject.org/infra/tickets/issues/new