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96e8fc5818686d4a1591bb6907e7fdb64ef29884
linux/arch/x86/kernel
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Juergen Gross 96e8fc5818 x86/xen: Use clear_bss() for Xen PV guests 
Instead of clearing the bss area in assembly code, use the clear_bss()
function.

This requires to pass the start_info address as parameter to
xen_start_kernel() in order to avoid the xen_start_info being zeroed
again.

Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Link: https://lore.kernel.org/r/20220630071441.28576-2-jgross@suse.com
2022-07-01 10:57:52 +02:00
..
acpi
Merge tag 'pm-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
2022-05-24 16:04:25 -07:00
apic
Merge tag 'x86_misc_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2022-05-23 19:32:59 -07:00
cpu
Merge tag 'x86-bugs-2022-06-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2022-06-14 07:43:15 -07:00
fpu
Merge tag 'kthread-cleanups-for-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2022-06-03 16:03:05 -07:00
kprobes
x86,kprobes: Fix optprobe trampoline to generate complete pt_regs
2022-03-28 19:38:51 -07:00
.gitignore
…
alternative.c
Merge tag 'net-next-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
2022-05-25 12:22:58 -07:00
amd_gart_64.c
x86: remove the IOMMU table infrastructure
2022-04-18 07:21:10 +02:00
amd_nb.c
x86/amd_nb: Unexport amd_cache_northbridges()
2022-04-05 19:22:27 +02:00
aperture_64.c
x86: remove the IOMMU table infrastructure
2022-04-18 07:21:10 +02:00
apm_32.c
x86/ibt: Disable IBT around firmware
2022-03-15 10:32:40 +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
KVM: x86: Support the vCPU preemption check with nopvspin and realtime hint
2022-04-02 05:41:21 -04:00
asm-offsets.c
x86/tdx: Add __tdx_module_call() and __tdx_hypercall() helper functions
2022-04-07 08:27:50 -07:00
audit_64.c
audit: add support for the openat2 syscall
2021-10-01 16:52:48 -04:00
bootflag.c
…
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
vmcore: convert read_from_oldmem() to take an iov_iter
2022-04-29 14:37:59 -07:00
crash.c
x86/crash: Fix minor typo/bug in debug message
2022-04-13 19:39:54 +02:00
devicetree.c
Merge tag 'devicetree-for-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
2021-11-02 22:22:13 -07:00
doublefault_32.c
exit/doublefault: Remove apparently bogus comment about rewind_stack_do_exit
2021-10-20 13:09:43 -05:00
dumpstack_32.c
…
dumpstack_64.c
x86/mm/64: Improve stack overflow warnings
2021-09-21 13:57:43 +02:00
dumpstack.c
x86: remove __range_not_ok()
2022-02-25 09:36:05 +01:00
e820.c
x86/boot: Fix memremap of setup_indirect structures
2022-03-09 12:49:44 +01:00
early_printk.c
usb: early: xhci-dbc: Remove duplicate keep parsing
2022-03-15 18:20:34 +01:00
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
…
ftrace_32.S
x86: Prepare asm files for straight-line-speculation
2021-12-08 12:25:37 +01:00
ftrace_64.S
x86/ftrace: Remove OBJECT_FILES_NON_STANDARD usage
2022-06-06 11:50:22 -07:00
ftrace.c
Merge tag 'trace-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
2022-05-29 10:31:36 -07:00
head32.c
…
head64.c
x86/xen: Use clear_bss() for Xen PV guests
2022-07-01 10:57:52 +02:00
head_32.S
x86: Prepare asm files for straight-line-speculation
2021-12-08 12:25:37 +01:00
head_64.S
Merge tag 'x86_tdx_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2022-05-23 17:51:12 -07:00
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: Avoid magic number with ELCR register accesses
2021-08-10 23:31:43 +02:00
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
x86/softirq: Disable softirq stacks on PREEMPT_RT
2021-09-27 12:28:32 +02:00
irq_64.c
…
irq_work.c
…
irq.c
x86/irq: Ensure PI wakeup handler is unregistered before module unload
2021-10-22 12:45:35 -04:00
irqflags.S
x86: Prepare asm files for straight-line-speculation
2021-12-08 12:25:37 +01:00
irqinit.c
…
itmt.c
x86/sched: Decrease further the priorities of SMT siblings
2021-10-05 15:51:59 +02:00
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
2022-03-09 12:49:44 +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
2022-03-09 12:49:44 +01:00
kvm.c
x86, kvm: use correct GFP flags for preemption disabled
2022-05-25 05:13:40 -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
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
2022-06-01 15:57:16 -07:00
Makefile
x86/ftrace: Remove OBJECT_FILES_NON_STANDARD usage
2022-06-06 11:50:22 -07:00
mmconf-fam10h_64.c
x86/msr: Rename MSR_K8_SYSCFG to MSR_AMD64_SYSCFG
2021-05-10 07:51:38 +02:00
module.c
Merge tag 'x86_core_for_5.18_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2022-03-27 10:17:23 -07:00
mpparse.c
x86: Avoid magic number with ELCR register accesses
2021-08-10 23:31:43 +02:00
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
x86/paravirt: Add new features for paravirt patching
2021-03-11 19:51:49 +01:00
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
…
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
Merge tag 'x86_core_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2022-05-23 18:42:07 -07:00
process_64.c
x86/prctl: Remove pointless task argument
2022-05-13 12:56:28 +02:00
process.c
Merge tag 'kthread-cleanups-for-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2022-06-03 16:03:05 -07:00
process.h
x86: Snapshot thread flags
2021-12-01 00:06:43 +01:00
ptrace.c
x86/32: Remove lazy GS macros
2022-04-14 14:09:43 +02:00
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: Use do_kernel_power_off()
2022-05-19 19:30:31 +02:00
relocate_kernel_32.S
x86: Prepare asm files for straight-line-speculation
2021-12-08 12:25:37 +01:00
relocate_kernel_64.S
x86/ibt: Annotate text references
2022-03-15 10:32:40 +01:00
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
…
setup_percpu.c
mm: percpu: add generic pcpu_populate_pte() function
2022-01-20 08:52:52 +02:00
setup.c
x86/mm: Fix RESERVE_BRK() for older binutils
2022-06-13 10:15:04 +02:00
sev_verify_cbit.S
x86: Prepare asm files for straight-line-speculation
2021-12-08 12:25:37 +01:00
sev-shared.c
x86/sev: Remove duplicated assignment to variable info
2022-05-17 12:52:37 +02:00
sev.c
x86/sev: Fix address space sparse warning
2022-05-02 17:34:29 +02:00
signal_compat.c
signal: Deliver SIGTRAP on perf event asynchronously if blocked
2022-04-22 12:14:05 +02:00
signal.c
x86/32: Remove lazy GS macros
2022-04-14 14:09:43 +02:00
smp.c
x86: Fix various typos in comments, take #2
2021-03-21 23:50:28 +01:00
smpboot.c
Merge tag 'x86_cleanups_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2022-05-23 18:17:09 -07:00
stacktrace.c
x86: remove __range_not_ok()
2022-02-25 09:36:05 +01:00
static_call.c
x86,static_call: Fix __static_call_return0 for i386
2022-04-05 09:59:37 +02:00
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
x86: remove the IOMMU table infrastructure
2022-04-18 07:21:10 +02:00
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
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
trace/osnoise: Fix an ifdef comment
2021-10-25 23:02:36 -04:00
tracepoint.c
x86/traceponit: Fix comment about irq vector tracepoints
2022-05-26 22:03:52 -04:00
traps.c
Merge tag 'x86_asm_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2022-05-23 18:08:46 -07:00
tsc_msr.c
…
tsc_sync.c
x86/tsc: Add a timer to make sure TSC_adjust is always checked
2021-12-02 00:40:35 +01:00
tsc.c
x86/tsc: Be consistent about use_tsc_delay()
2022-03-15 18:20:33 +01:00
umip.c
x86/umip: Downgrade warning messages to debug loglevel
2021-09-25 13:23:28 +02:00
unwind_frame.c
x86/unwind: Recover kretprobe trampoline entry
2021-09-30 21:24:07 -04:00
unwind_guess.c
x86/unwind: Recover kretprobe trampoline entry
2021-09-30 21:24:07 -04:00
unwind_orc.c
x86/unwind/orc: Recheck address range after stack info was updated
2022-04-19 21:58:46 +02:00
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
2021-12-08 12:25:37 +01:00
vm86_32.c
x86/32: Remove lazy GS macros
2022-04-14 14:09:43 +02:00
vmlinux.lds.S
x86/mm: Fix RESERVE_BRK() for older binutils
2022-06-13 10:15:04 +02:00
vsmp_64.c
…
x86_init.c
x86/mm/cpa: Generalize __set_memory_enc_pgtable()
2022-02-23 19:14:29 +01:00