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(parent: b4845bb) | patch
x86/xen: use new hypercall functions instead of hypercall page
authorJuergen Gross <jgross@suse.com>
Thu, 17 Oct 2024 12:47:13 +0000 (14:47 +0200)
committerJuergen Gross <jgross@suse.com>
Tue, 17 Dec 2024 07:23:41 +0000 (08:23 +0100)
commitb1c2cb86f4a7861480ad54bb9a58df3cbebf8e92
tree1ca0571409bc62b7d132ac505cbaaca78b223c5ftree
parentb4845bb6383821a9516ce30af3a27dc873e37fd4commit | diff
x86/xen: use new hypercall functions instead of hypercall page

Call the Xen hypervisor via the new xen_hypercall_func static-call
instead of the hypercall page.

This is part of XSA-466 / CVE-2024-53241.

Reported-by: Andrew Cooper <andrew.cooper3@citrix.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Co-developed-by: Peter Zijlstra <peterz@infradead.org>
Co-developed-by: Josh Poimboeuf <jpoimboe@redhat.com>
arch/x86/include/asm/xen/hypercall.h diff | blob | blame | history
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