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cc3011cdbe5f834b0e9873b841d1be02be9a1524
kernel_arpi/arch/x86/kernel
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Peter Zijlstra cc3011cdbe x86/retbleed: Add fine grained Kconfig knobs 
commit f43b9876e857c739d407bc56df288b0ebe1a9164 upstream.

Do fine-grained Kconfig for all the various retbleed parts.

NOTE: if your compiler doesn't support return thunks this will
silently 'upgrade' your mitigation to IBPB, you might not like this.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
[cascardo: there is no CONFIG_OBJTOOL]
[cascardo: objtool calling and option parsing has changed]
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-07-23 12:54:10 +02:00
..
acpi
x86: Prepare asm files for straight-line-speculation
2022-05-15 20:18:49 +02:00
apic
x86: Fix return value of __setup handlers
2022-06-09 10:22:53 +02:00
cpu
x86/retbleed: Add fine grained Kconfig knobs
2022-07-23 12:54:10 +02:00
fpu
x86/fpu: Prevent FPU state corruption
2022-05-12 12:30:02 +02:00
kprobes
x86: Prepare inline-asm for straight-line-speculation
2022-05-15 20:18:50 +02:00
.gitignore
…
alternative.c
x86/retbleed: Add fine grained Kconfig knobs
2022-07-23 12:54:10 +02:00
amd_gart_64.c
x86/amd_gart: don't set failed sg dma_address to DMA_MAPPING_ERROR
2021-08-09 17:13:06 +02:00
amd_nb.c
hwmon: (k10temp) Add support for yellow carp
2021-08-27 13:54:58 -07:00
aperture_64.c
memblock: make memblock_find_in_range method private
2021-09-03 09:58:17 -07:00
apm_32.c
x86: Fix various typos in comments, take #2
2021-03-21 23:50:28 +01:00
asm-offsets_32.c
x86/stackprotector/32: Make the canary into a regular percpu variable
2021-03-08 13:19:05 +01:00
asm-offsets_64.c
x86/xen: Drop USERGS_SYSRET64 paravirt call
2021-02-10 12:32:07 +01:00
asm-offsets.c
x86/paravirt: Switch iret pvops to ALTERNATIVE
2021-03-11 19:58:54 +01:00
audit_64.c
…
bootflag.c
…
cc_platform.c
x86/sev: Add an x86 version of cc_platform_has()
2021-11-18 19:17:21 +01:00
check.c
…
cpuid.c
smp: Cleanup smp_call_function*()
2020-11-24 16:47:49 +01:00
crash_core_32.c
…
crash_core_64.c
…
crash_dump_32.c
x86/crashdump/32: Simplify copy_oldmem_page()
2020-11-24 14:42:09 +01:00
crash_dump_64.c
…
crash.c
x86/crash: Remove crash_reserve_low_1M()
2021-06-07 12:14:45 +02:00
devicetree.c
x86/devicetree: Fix the ioapic interrupt type table
2020-10-28 20:26:24 +01:00
doublefault_32.c
x86/stackprotector/32: Make the canary into a regular percpu variable
2021-03-08 13:19:05 +01:00
dumpstack_32.c
…
dumpstack_64.c
x86/mm/64: Improve stack overflow warnings
2021-11-18 19:16:10 +01:00
dumpstack.c
x86/dumpstack: use %pSb/%pBb for backtrace printing
2021-07-08 11:48:22 -07:00
e820.c
x86/boot: Fix memremap of setup_indirect structures
2022-03-16 14:23:45 +01:00
early_printk.c
…
early-quirks.c
x86/gpu: Reserve stolen memory for first integrated Intel GPU
2022-01-27 11:02:51 +01:00
ebda.c
…
eisa.c
…
espfix_64.c
…
ftrace_32.S
x86: Prepare asm files for straight-line-speculation
2022-05-15 20:18:49 +02:00
ftrace_64.S
x86: Prepare asm files for straight-line-speculation
2022-05-15 20:18:49 +02:00
ftrace.c
x86/ftrace: Use alternative RET encoding
2022-07-23 12:53:59 +02:00
head32.c
…
head64.c
x86: Clear .brk area at early boot
2022-07-21 21:24:40 +02:00
head_32.S
x86: Prepare asm files for straight-line-speculation
2022-05-15 20:18:49 +02:00
head_64.S
objtool: Add entry UNRET validation
2022-07-23 12:54:06 +02:00
hpet.c
rtc: Check return value from mc146818_get_time()
2022-04-13 20:59:14 +02:00
hw_breakpoint.c
x86/debug: Prevent data breakpoints on cpu_dr7
2021-02-05 20:13:12 +01:00
i8237.c
…
i8253.c
…
i8259.c
x86: Avoid magic number with ELCR register accesses
2021-08-10 23:31:43 +02:00
idt.c
Merge tag 'x86-irq-2021-06-29' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2021-06-29 12:36:59 -07:00
io_delay.c
…
ioport.c
…
irq_32.c
softirq: Move do_softirq_own_stack() to generic asm header
2021-02-10 23:34:16 +01:00
irq_64.c
x86/softirq/64: Inline do_softirq_own_stack()
2021-02-10 23:34:17 +01:00
irq_work.c
…
irq.c
x86/irq: Ensure PI wakeup handler is unregistered before module unload
2021-11-18 19:15:56 +01:00
irqflags.S
x86: Prepare asm files for straight-line-speculation
2022-05-15 20:18:49 +02:00
irqinit.c
…
itmt.c
…
jailhouse.c
…
jump_label.c
jump_labels: Mark __jump_label_transform() as __always_inlined to work around aggressive compiler un-inlining
2021-07-13 06:32:05 +02:00
kdebugfs.c
x86/boot: Fix memremap of setup_indirect structures
2022-03-16 14:23:45 +01:00
kexec-bzimage64.c
x86: Use ELF fields defined in 'struct kimage'
2021-03-08 12:06:29 -07:00
kgdb.c
x86: Fix various typos in comments
2021-03-18 15:31:53 +01:00
ksysfs.c
x86/boot: Fix memremap of setup_indirect structures
2022-03-16 14:23:45 +01:00
kvm.c
x86, kvm: use proper ASM macros for kvm_vcpu_is_preempted
2022-07-02 16:41:12 +02:00
kvmclock.c
x86/kvmclock: Move this_cpu_pvti into kvmclock.h
2021-09-30 04:08:01 -04:00
ldt.c
memcg: enable accounting for ldt_struct objects
2021-09-03 09:58:13 -07:00
machine_kexec_32.c
x86/kexec: Set_[gi]dt() -> native_[gi]dt_invalidate() in machine_kexec_*.c
2021-05-21 12:36:45 +02:00
machine_kexec_64.c
x86/kexec: fix memory leak of elf header buffer
2022-06-09 10:22:29 +02:00
Makefile
x86/sev: Add an x86 version of cc_platform_has()
2021-11-18 19:17:21 +01:00
mmconf-fam10h_64.c
x86/msr: Rename MSR_K8_SYSCFG to MSR_AMD64_SYSCFG
2021-05-10 07:51:38 +02:00
module.c
x86: Undo return-thunk damage
2022-07-23 12:53:58 +02:00
mpparse.c
x86: Avoid magic number with ELCR register accesses
2021-08-10 23:31:43 +02:00
msr.c
x86/MSR: Filter MSR writes through X86_IOC_WRMSR_REGS ioctl too
2021-01-27 19:06:47 +01:00
nmi_selftest.c
…
nmi.c
x86/sev-es: Rename sev-es.{ch} to sev.{ch}
2021-05-10 07:40:27 +02:00
paravirt-spinlocks.c
x86/paravirt: Add new features for paravirt patching
2021-03-11 19:51:49 +01:00
paravirt.c
x86: Prepare inline-asm for straight-line-speculation
2022-05-15 20:18:50 +02:00
pci-dma.c
…
pci-iommu_table.c
x86: Remove definition of DEBUG
2021-01-15 08:23:10 +01:00
pci-swiotlb.c
…
pcspeaker.c
…
perf_regs.c
Merge tag 'x86_cleanups_for_v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-12-14 13:45:26 -08:00
platform-quirks.c
…
pmem.c
…
probe_roms.c
…
process_32.c
…
process_64.c
x86/fpu: Add PKRU storage outside of task XSAVE buffer
2021-06-23 19:37:45 +02:00
process.c
x86/bugs: Optimize SPEC_CTRL MSR writes
2022-07-23 12:54:03 +02:00
process.h
…
ptrace.c
x86/ptrace: Fix xfpregs_set()'s incorrect xmm clearing
2022-03-02 11:47:47 +01:00
pvclock.c
x86: Fix various typos in comments
2021-03-18 15:31:53 +01:00
quirks.c
…
reboot_fixups_32.c
…
reboot.c
x86/mm: Flush global TLB when switching to trampoline page-table
2022-01-27 11:04:35 +01:00
relocate_kernel_32.S
x86: Prepare asm files for straight-line-speculation
2022-05-15 20:18:49 +02:00
relocate_kernel_64.S
x86: Prepare asm files for straight-line-speculation
2022-05-15 20:18:49 +02:00
resource.c
…
rtc.c
…
setup_percpu.c
memblock: introduce saner 'memblock_free_ptr()' interface
2021-09-14 13:23:22 -07:00
setup.c
x86/boot: Fix memremap of setup_indirect structures
2022-03-16 14:23:45 +01:00
sev_verify_cbit.S
x86: Prepare asm files for straight-line-speculation
2022-05-15 20:18:49 +02:00
sev-shared.c
x86/sev: Return an error on a returned non-zero SW_EXITINFO1[31:0]
2021-10-01 11:14:41 +02:00
sev.c
x86/sev: Fix SEV-ES INS/OUTS instructions for word, dword, and qword
2021-12-08 09:04:53 +01:00
signal_compat.c
signal: Deliver SIGTRAP on perf event asynchronously if blocked
2022-06-09 10:22:48 +02:00
signal.c
Merge tag 'x86-fpu-2021-07-07' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2021-07-07 11:12:01 -07:00
smp.c
x86: Fix various typos in comments, take #2
2021-03-21 23:50:28 +01:00
smpboot.c
x86/smp: Add a per-cpu view of SMT state
2021-07-28 11:42:23 +02:00
stacktrace.c
stacktrace: Move documentation for arch_stack_walk_reliable() to header
2021-03-10 15:52:31 +01:00
static_call.c
x86/retbleed: Add fine grained Kconfig knobs
2022-07-23 12:54:10 +02:00
step.c
ptrace: Reimplement PTRACE_KILL by always sending SIGKILL
2022-06-09 10:22:29 +02:00
sys_ia32.c
…
sys_x86_64.c
x86/mm: Cleanup the control_va_addr_alignment() __setup handler
2022-06-09 10:22:54 +02:00
tboot.c
x86/boot/tboot: Avoid Wstringop-overread-warning
2021-03-23 00:16:13 +01:00
time.c
…
tls.c
x86/stackprotector/32: Make the canary into a regular percpu variable
2021-03-08 13:19:05 +01:00
tls.h
…
topology.c
x86: Fix various typos in comments
2021-03-18 15:31:53 +01:00
trace_clock.c
…
trace.c
trace/osnoise: Fix 'no previous prototype' warnings
2021-06-28 14:12:26 -04:00
tracepoint.c
…
traps.c
x86/traps: Use pt_regs directly in fixup_bad_iret()
2022-07-23 12:53:47 +02:00
tsc_msr.c
…
tsc_sync.c
x86/tsc: Add a timer to make sure TSC_adjust is always checked
2021-12-08 09:04:56 +01:00
tsc.c
x86/tsc: Disable clocksource watchdog for TSC on qualified platorms
2021-12-08 09:04:56 +01:00
umip.c
x86/insn: Extend error reporting from insn_fetch_from_user[_inatomic]()
2021-06-15 11:39:30 +02:00
unwind_frame.c
…
unwind_guess.c
…
unwind_orc.c
x86/unwind/orc: Silence warnings caused by missing ORC data
2021-03-06 13:09:45 +01:00
uprobes.c
x86/uprobes: Convert to insn_decode()
2021-03-15 12:05:03 +01:00
verify_cpu.S
x86: Prepare asm files for straight-line-speculation
2022-05-15 20:18:49 +02:00
vm86_32.c
signal: Replace force_fatal_sig with force_exit_sig when in doubt
2021-11-25 09:49:07 +01:00
vmlinux.lds.S
x86: Add magic AMD return-thunk
2022-07-23 12:54:01 +02:00
vsmp_64.c
…
x86_init.c
x86/apic: Support 15 bits of APIC ID in MSI where available
2020-10-28 20:26:29 +01:00