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Kirill A. Shutemov c598fefef3 x86/mm: Allow guest.enc_status_change_prepare() to fail 
[ Upstream commit 3f6819dd19 ]

TDX code is going to provide guest.enc_status_change_prepare() that is
able to fail. TDX will use the call to convert the GPA range from shared
to private. This operation can fail.

Add a way to return an error from the callback.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Link: https://lore.kernel.org/all/20230606095622.1939-2-kirill.shutemov%40linux.intel.com
Stable-dep-of: 195edce08b ("x86/tdx: Fix race between set_memory_encrypted() and load_unaligned_zeropad()")
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-07-19 16:21:00 +02:00
..
acpi
x86/ACPI/boot: Use FADT version to check support for online capable
2023-04-13 16:55:29 +02:00
apic
x86/apic: Fix kernel panic when booting with intremap=off and x2apic_phys
2023-06-28 11:12:40 +02:00
cpu
x86/resctrl: Only show tasks' pid in current pid namespace
2023-07-19 16:20:55 +02:00
fpu
x86/fpu/xstate: Prevent false-positive warning in __copy_xstate_uabi_buf()
2023-03-30 12:49:21 +02:00
kprobes
x86/kprobes: Fix arch_check_optimized_kprobe check within optimized_kprobe range
2023-03-10 09:34:13 +01:00
.gitignore
…
alternative.c
x86/alternatives: Teach text_poke_bp() to patch Jcc.d32 instructions
2023-02-25 11:25:41 +01:00
amd_gart_64.c
x86: Fix various duplicate-word comment typos
2022-08-15 19:17:52 +02:00
amd_nb.c
x86/amd_nb: Add PCI ID for family 19h model 78h
2023-05-17 11:53:59 +02:00
aperture_64.c
x86: Fix various duplicate-word comment typos
2022-08-15 19:17:52 +02:00
apm_32.c
x86/ibt: Disable IBT around firmware
2022-03-15 10:32:40 +01:00
asm-offsets_32.c
…
asm-offsets_64.c
KVM: x86: Support the vCPU preemption check with nopvspin and realtime hint
2022-04-02 05:41:21 -04:00
asm-offsets.c
KVM: x86: use a separate asm-offsets.c file
2022-11-09 12:10:17 -05:00
audit_64.c
…
bootflag.c
…
cfi.c
x86: Add support for CONFIG_CFI_CLANG
2022-09-26 10:13:16 -07:00
check.c
…
cpuid.c
…
crash_core_32.c
…
crash_core_64.c
…
crash_dump_32.c
vmcore: convert copy_oldmem_page() to take an iov_iter
2022-04-29 14:37:59 -07:00
crash_dump_64.c
use less confusing names for iov_iter direction initializers
2023-02-09 11:28:04 +01:00
crash.c
x86/crash: Disable virt in core NMI crash handler to avoid double shootdown
2023-03-10 09:34:13 +01:00
devicetree.c
…
doublefault_32.c
…
dumpstack_32.c
…
dumpstack_64.c
…
dumpstack.c
x86/show_trace_log_lvl: Ensure stack pointer is aligned, again
2023-05-30 14:03:32 +01:00
e820.c
x86/kexec: Carry forward IMA measurement log on kexec
2022-07-01 15:22:16 +02:00
early_printk.c
x86/earlyprintk: Clean up pciserial
2022-08-29 12:19:25 +02:00
early-quirks.c
drm/i915/rpl-p: Add PCI IDs
2022-04-19 17:14:09 -07:00
ebda.c
…
eisa.c
…
espfix_64.c
random: handle archrandom with multiple longs
2022-07-25 13:26:14 +02:00
ftrace_32.S
…
ftrace_64.S
ftrace,kcfi: Define ftrace_stub_graph conditionally
2023-03-22 13:33:43 +01:00
ftrace.c
ftrace/x86: Add back ftrace_expected for ftrace bug reports
2023-01-07 11:11:47 +01:00
head32.c
…
head64.c
x86: Clear .brk area at early boot
2022-07-01 11:11:34 +02:00
head_32.S
x86/asm/32: Fix ANNOTATE_UNRET_SAFE use on 32-bit
2022-07-13 12:43:26 +02:00
head_64.S
x86/head/64: Switch to KERNEL_CS as soon as new GDT is installed
2023-06-21 16:00:51 +02:00
hpet.c
rtc: Check return value from mc146818_get_time()
2021-12-16 21:50:06 +01:00
hw_breakpoint.c
…
i8237.c
…
i8253.c
…
i8259.c
x86/i8259: Mark legacy PIC interrupts with IRQ_LEVEL
2023-02-01 08:34:50 +01:00
idt.c
x86/traps: Add #VE support for TDX guest
2022-04-07 08:27:51 -07:00
io_delay.c
…
ioport.c
…
irq_32.c
asm-generic: Conditionally enable do_softirq_own_stack() via Kconfig.
2022-09-05 17:20:55 +02:00
irq_64.c
…
irq_work.c
…
irq.c
…
irqflags.S
…
irqinit.c
x86/i8259: Mark legacy PIC interrupts with IRQ_LEVEL
2023-02-01 08:34:50 +01:00
itmt.c
…
jailhouse.c
…
jump_label.c
jump_label: make initial NOP patching the special case
2022-06-24 09:48:55 +02:00
kdebugfs.c
x86/boot: Fix memremap of setup_indirect structures
2022-03-09 12:49:44 +01:00
kexec-bzimage64.c
Merge tag 'integrity-v6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity
2022-08-02 15:21:18 -07:00
kgdb.c
…
ksysfs.c
x86/boot: Fix memremap of setup_indirect structures
2022-03-09 12:49:44 +01:00
kvm.c
x86: kvm: remove NULL check before kfree
2022-06-20 06:22:04 -04:00
kvmclock.c
x86/kvm: Don't waste kvmclock memory if there is nopv parameter
2022-04-13 13:37:19 -04:00
ldt.c
…
machine_kexec_32.c
…
machine_kexec_64.c
x86/kexec: fix memory leak of elf header buffer
2022-06-01 15:57:16 -07:00
Makefile
rethook, fprobe: do not trace rethook related functions
2023-05-24 17:32:53 +01:00
mmconf-fam10h_64.c
…
module.c
treewide: use prandom_u32_max() when possible, part 1
2022-10-11 17:42:55 -06:00
mpparse.c
…
msr.c
…
nmi_selftest.c
…
nmi.c
x86/nmi: Make register_nmi_handler() more robust
2022-05-17 09:25:25 +02:00
paravirt-spinlocks.c
…
paravirt.c
x86/ibt,paravirt: Sprinkle ENDBR
2022-03-15 10:32:36 +01:00
pci-dma.c
swiotlb: merge swiotlb-xen initialization into swiotlb
2022-04-18 07:21:13 +02:00
pcspeaker.c
…
perf_regs.c
…
platform-quirks.c
…
pmem.c
x86/pmem: Fix platform-device leak in error path
2022-06-20 18:01:16 +02:00
probe_roms.c
x86/kernel: Validate ROM memory before accessing when SEV-SNP is active
2022-04-06 13:23:09 +02:00
process_32.c
x86/resctl: fix scheduler confusion with 'current'
2023-03-11 13:55:41 +01:00
process_64.c
x86/resctl: fix scheduler confusion with 'current'
2023-03-11 13:55:41 +01:00
process.c
x86/smp: Dont access non-existing CPUID leaf
2023-07-01 13:16:23 +02:00
process.h
…
ptrace.c
x86/32: Remove lazy GS macros
2022-04-14 14:09:43 +02:00
pvclock.c
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quirks.c
…
reboot_fixups_32.c
…
reboot.c
x86/reboot: Disable virtualization in an emergency if SVM is supported
2023-03-10 09:34:13 +01:00
relocate_kernel_32.S
x86/kexec: Disable RET on kexec
2022-07-09 13:12:32 +02:00
relocate_kernel_64.S
x86/kexec: Disable RET on kexec
2022-07-09 13:12:32 +02:00
resource.c
x86/PCI: Revert "x86/PCI: Clip only host bridge windows for E820 regions"
2022-06-17 14:24:14 -05:00
rethook.c
x86,rethook: Fix arch_rethook_trampoline() to generate a complete pt_regs
2022-03-28 19:38:51 -07:00
rtc.c
x86/rtc: Rename mach_set_rtc_mmss() to mach_set_cmos_time()
2022-08-14 11:24:29 +02:00
setup_percpu.c
mm: percpu: add generic pcpu_populate_pte() function
2022-01-20 08:52:52 +02:00
setup.c
x86/boot: Skip realmode init code when running as Xen PV guest
2022-12-31 13:32:16 +01:00
sev_verify_cbit.S
…
sev-shared.c
Revert "x86/sev: Expose sev_es_ghcb_hv_call() for use by HyperV"
2022-07-27 18:09:13 +02:00
sev.c
x86/sev: Fix calculation of end address based on number of pages
2023-07-19 16:20:55 +02:00
signal_compat.c
signal: Deliver SIGTRAP on perf event asynchronously if blocked
2022-04-22 12:14:05 +02:00
signal.c
x86/signal: Fix the value returned by strict_sas_size()
2023-03-10 09:32:53 +01:00
smp.c
x86/smp: Cure kexec() vs. mwait_play_dead() breakage
2023-07-01 13:16:23 +02:00
smpboot.c
x86/smp: Cure kexec() vs. mwait_play_dead() breakage
2023-07-01 13:16:23 +02:00
stacktrace.c
x86: remove __range_not_ok()
2022-02-25 09:36:05 +01:00
static_call.c
x86/static_call: Add support for Jcc tail-calls
2023-02-25 11:25:41 +01:00
step.c
ptrace: Reimplement PTRACE_KILL by always sending SIGKILL
2022-05-11 14:34:28 -05:00
sys_ia32.c
…
sys_x86_64.c
x86/mm: Cleanup the control_va_addr_alignment() __setup handler
2022-05-04 18:20:42 +02:00
tboot.c
mm: remove rb tree.
2022-09-26 19:46:16 -07:00
time.c
…
tls.c
…
tls.h
…
topology.c
drivers/base/node: consolidate node device subsystem initialization in node_dev_init()
2022-03-22 15:57:10 -07:00
trace_clock.c
…
trace.c
…
tracepoint.c
x86/traceponit: Fix comment about irq vector tracepoints
2022-05-26 22:03:52 -04:00
traps.c
x86/traps: avoid KMSAN bugs originating from handle_bug()
2022-11-08 15:57:24 -08:00
tsc_msr.c
…
tsc_sync.c
…
tsc.c
x86/tsc: Be consistent about use_tsc_delay()
2022-03-15 18:20:33 +01:00
umip.c
…
unwind_frame.c
x86: kmsan: don't instrument stack walking functions
2022-10-03 14:03:25 -07:00
unwind_guess.c
…
unwind_orc.c
x86/unwind/orc: Fix unreliable stack dump with gcov
2022-10-21 14:56:42 +02:00
uprobes.c
uprobes/x86: Allow to probe a NOP instruction with 0x66 prefix
2022-12-31 13:31:59 +01:00
verify_cpu.S
…
vm86_32.c
x86/32: Remove lazy GS macros
2022-04-14 14:09:43 +02:00
vmlinux.lds.S
Merge tag 'x86_bugs_retbleed' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2022-07-11 18:15:25 -07:00
vsmp_64.c
…
x86_init.c
x86/mm: Allow guest.enc_status_change_prepare() to fail
2023-07-19 16:21:00 +02:00