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linux-stable/arch/x86/xen
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Juergen Gross 7fa0da5373 x86/xen: remove hypercall page 
The hypercall page is no longer needed. It can be removed, as from the
Xen perspective it is optional.

But, from Linux's perspective, it removes naked RET instructions that
escape the speculative protections that Call Depth Tracking and/or
Untrain Ret are trying to achieve.

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>
Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
2024-12-17 08:23:42 +01:00
..
apic.c x86/xen: eliminate some private header files 2024-07-11 16:33:48 +02:00
debugfs.c x86/xen: eliminate some private header files 2024-07-11 16:33:48 +02:00
efi.c xen/efi: refactor deprecated strncpy 2023-09-19 07:04:49 +02:00
enlighten_hvm.c x86/xen: remove hypercall page 2024-12-17 08:23:42 +01:00
enlighten_pv.c x86/xen: add central hypercall functions 2024-12-17 08:23:29 +01:00
enlighten_pvh.c x86/xen: remove hypercall page 2024-12-17 08:23:42 +01:00
enlighten.c x86/xen: remove hypercall page 2024-12-17 08:23:42 +01:00
grant-table.c x86/xen: open code alloc_vm_area in arch_gnttab_valloc 2020-10-18 09:27:10 -07:00
irq.c x86/paravirt: Move some functions and defines to alternative.c 2023-12-10 20:30:31 +01:00
Kconfig treewide: replace or remove redundant def_bool in Kconfig files 2024-02-20 20:47:45 +09:00
Makefile x86/PVH: obtain VGA console info in Dom0 2023-03-14 15:20:51 +01:00
mmu_hvm.c x86/xen: eliminate some private header files 2024-07-11 16:33:48 +02:00
mmu_pv.c ALong with the usual shower of singleton patches, notable patch series in 2024-09-21 07:29:05 -07:00
mmu.c x86/xen: eliminate some private header files 2024-07-11 16:33:48 +02:00
multicalls.c xen: fix multicall debug data referencing 2024-07-23 12:23:20 +02:00
p2m.c xen: allow mapping ACPI data using a different physical address 2024-09-12 08:25:07 +02:00
platform-pci-unplug.c x86: xen: platform-pci-unplug: use pr_err() and pr_warn() instead of raw printk() 2021-08-30 12:09:54 +02:00
pmu.c x86/xen: eliminate some private header files 2024-07-11 16:33:48 +02:00
setup.c xen: tolerate ACPI NVS memory overlapping with Xen allocated memory 2024-09-12 08:25:12 +02:00
smp_hvm.c x86/xen: eliminate some private header files 2024-07-11 16:33:48 +02:00
smp_pv.c xen: fix multicall debug data referencing 2024-07-23 12:23:20 +02:00
smp.c x86/xen: eliminate some private header files 2024-07-11 16:33:48 +02:00
spinlock.c x86/xen: remove deprecated xen_nopvspin boot parameter 2024-07-11 16:33:51 +02:00
suspend_hvm.c x86/xen: Add support for HVMOP_set_evtchn_upcall_vector 2022-08-12 11:28:21 +02:00
suspend_pv.c locking/seqlock, headers: Untangle the spaghetti monster 2020-08-06 16:13:13 +02:00
suspend.c x86/xen: eliminate some private header files 2024-07-11 16:33:48 +02:00
time.c x86/xen/time: Reduce Xen timer tick 2024-07-02 09:35:52 +02:00
trace.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
vga.c x86: Do not include <asm/bootparam.h> in several files 2024-01-30 15:17:24 +01:00
xen-asm.S x86/xen: add central hypercall functions 2024-12-17 08:23:29 +01:00
xen-head.S x86/xen: remove hypercall page 2024-12-17 08:23:42 +01:00
xen-ops.h x86/xen: add central hypercall functions 2024-12-17 08:23:29 +01:00