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H.J. Lu a4bd6d4df3 x86, vmlinux.lds: Add RUNTIME_DISCARD_EXIT to generic DISCARDS 
commit 84d5f77fc2ee4e010c2c037750e32f06e55224b0 upstream.

In the x86 kernel, .exit.text and .exit.data sections are discarded at
runtime, not by the linker. Add RUNTIME_DISCARD_EXIT to generic DISCARDS
and define it in the x86 kernel linker script to keep them.

The sections are added before the DISCARD directive so document here
only the situation explicitly as this change doesn't have any effect on
the generated kernel. Also, other architectures like ARM64 will use it
too so generalize the approach with the RUNTIME_DISCARD_EXIT define.

 [ bp: Massage and extend commit message. ]

Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lkml.kernel.org/r/20200326193021.255002-1-hjl.tools@gmail.com
Signed-off-by: Tom Saeger <tom.saeger@oracle.com>
2023-03-17 08:32:53 +01:00
..
acpi
ACPI / x86: Work around broken XSDT on Advantech DAC-BJ01 board
2022-03-28 08:46:47 +02:00
apic
x86: Fix return value of __setup handlers
2022-06-14 18:11:35 +02:00
cpu
x86/CPU/AMD: Disable XSAVES on AMD family 0x17
2023-03-17 08:32:47 +01:00
fpu
x86/fpu: Use _Alignof to avoid undefined behavior in TYPE_ALIGN
2023-01-24 07:18:01 +01:00
kprobes
x86/kprobes: Fix arch_check_optimized_kprobe check within optimized_kprobe range
2023-03-11 16:44:02 +01:00
.gitignore
…
alternative.c
x86: Correct misc typos
2019-09-02 14:02:59 +02:00
amd_gart_64.c
dma-mapping: provide a better default ->get_required_mask
2019-09-04 11:13:19 +02:00
amd_nb.c
x86/amd_nb: Add AMD family 17h model 60h PCI IDs
2020-06-22 09:31:17 +02:00
apb_timer.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441
2019-06-05 17:37:17 +02:00
aperture_64.c
…
apm_32.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 118
2019-05-24 17:39:02 +02:00
asm-offsets_32.c
…
asm-offsets_64.c
Merge branch 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2019-09-17 12:04:39 -07:00
asm-offsets.c
x86/paravirt: Make read_cr2() CALLEE_SAVE
2019-07-17 23:17:37 +02:00
audit_64.c
…
bootflag.c
…
check.c
…
cpuid.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 142
2019-05-30 11:25:17 -07:00
crash_dump_32.c
…
crash_dump_64.c
fs/core/vmcore: Move sev_active() reference to x86 arch code
2019-08-09 22:52:10 +10:00
crash.c
x86/crash: Disable virt in core NMI crash handler to avoid double shootdown
2023-03-11 16:44:01 +01:00
devicetree.c
…
doublefault.c
x86/doublefault/32: Fix stack canaries in the double fault handler
2019-11-29 10:09:51 +01:00
dumpstack_32.c
x86/irq/32: Rename hard/softirq_stack to hard/softirq_stack_ptr
2019-04-17 15:24:18 +02:00
dumpstack_64.c
x86/dumpstack/64: Don't evaluate exception stacks before setup
2019-11-05 00:51:35 +01:00
dumpstack.c
exit: Add and use make_task_dead.
2023-02-06 07:52:49 +01:00
e820.c
x86/e820: Use proper booleans instead of 0/1
2019-07-16 23:13:49 +02:00
early_printk.c
…
early-quirks.c
x86/gpu: Reserve stolen memory for first integrated Intel GPU
2022-01-27 09:19:26 +01:00
ebda.c
…
eisa.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 243
2019-06-19 17:09:07 +02:00
espfix_64.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 288
2019-06-05 17:36:37 +02:00
ftrace_32.S
x86/asm/32: Add ENDs to some functions and relabel with SYM_CODE_*
2021-01-17 14:05:30 +01:00
ftrace_64.S
x86/stackframe, x86/ftrace: Add pt_regs frame annotations
2019-06-25 10:23:47 +02:00
ftrace.c
The main changes in this release include:
2019-07-18 11:51:00 -07:00
head32.c
…
head64.c
x86: Clear .brk area at early boot
2022-07-21 20:59:27 +02:00
head_32.S
x86/asm/32: Add ENDs to some functions and relabel with SYM_CODE_*
2021-01-17 14:05:30 +01:00
head_64.S
x86/irq/64: Update stale comment
2019-07-22 10:54:27 +02:00
hpet.c
x86/hpet: Use another crystalball to evaluate HPET usability
2021-10-13 10:08:21 +02:00
hw_breakpoint.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
i8237.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
i8253.c
x86/timer: Skip PIT initialization on modern chipsets
2019-06-29 11:35:35 +02:00
i8259.c
x86/i8259: Mark legacy PIC interrupts with IRQ_LEVEL
2023-02-06 07:52:47 +01:00
idt.c
x86/idt: Keep spurious entries unset in system_vectors
2020-06-24 17:50:43 +02:00
ima_arch.c
x86/ima: use correct identifier for SetupMode variable
2020-02-28 17:22:18 +01:00
io_delay.c
x86/io_delay: Define IO_DELAY macros in C instead of Kconfig
2019-05-24 08:46:06 +02:00
ioport.c
x86: Lock down IO port access when the kernel is locked down
2019-08-19 21:54:16 -07:00
irq_32.c
x86/irq: Move IS_ERR_OR_NULL() check into common do_IRQ() code
2019-08-19 23:19:06 +02:00
irq_64.c
x86: fix vmap arguments in map_irq_stack
2020-06-22 09:30:57 +02:00
irq_work.c
…
irq.c
x86/irq: Ensure PI wakeup handler is unregistered before module unload
2021-11-17 09:48:19 +01:00
irqflags.S
…
irqinit.c
x86/i8259: Mark legacy PIC interrupts with IRQ_LEVEL
2023-02-06 07:52:47 +01:00
itmt.c
proc/sysctl: add shared variables for range check
2019-07-18 17:08:07 -07:00
jailhouse.c
x86: Add "nopv" parameter to disable PV extensions
2019-07-17 08:09:58 +02:00
jump_label.c
x86/jump_label: Make tp_vec_nr static
2019-06-25 09:22:14 +02:00
kdebugfs.c
Driver Core and debugfs changes for 5.3-rc1
2019-07-12 12:24:03 -07:00
kexec-bzimage64.c
x86/kexec: Use up-to-dated screen_info copy to fill boot params
2020-11-10 12:37:29 +01:00
kgdb.c
x86/apic: Provide and use helper for send_IPI_allbutself()
2019-07-25 16:12:00 +02:00
ksysfs.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 428
2019-06-05 17:37:16 +02:00
kvm.c
x86/kvm: Preserve BSP MSR_KVM_POLL_CONTROL across suspend/resume
2022-05-12 12:23:47 +02:00
kvmclock.c
x86/kvmclock: Move this_cpu_pvti into kvmclock.h
2021-10-06 15:42:31 +02:00
ldt.c
…
livepatch.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13
2019-05-21 11:28:45 +02:00
machine_kexec_32.c
x86/mm: Remove set_pages_x() and set_pages_nx()
2019-09-03 09:26:37 +02:00
machine_kexec_64.c
Merge branch 'x86-kdump-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2019-07-09 11:52:34 -07:00
Makefile
Merge branch 'x86-paravirt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2019-07-08 17:34:44 -07:00
mmconf-fam10h_64.c
…
module.c
x86/build: Treat R_386_PLT32 relocation as R_386_PC32
2021-03-07 12:20:45 +01:00
mpparse.c
x86/boot: Fix memory leak in default_get_smp_config()
2019-07-16 23:13:48 +02:00
msr.c
x86/msr: Restrict MSR access when the kernel is locked down
2019-08-19 21:54:16 -07:00
nmi_selftest.c
…
nmi.c
x86/nmi: Fix nmi_handle() duration miscalculation
2020-10-29 09:57:30 +01:00
paravirt_patch.c
x86/paravirt: Standardize 'insn_buff' variable names
2019-04-29 16:05:49 +02:00
paravirt-spinlocks.c
…
paravirt.c
x86/paravirt: Drop {read,write}_cr8() hooks
2019-07-22 10:12:33 +02:00
pci-calgary_64.c
dma-mapping: explicitly wire up ->mmap and ->get_sgtable
2019-09-04 11:13:18 +02:00
pci-dma.c
x86/dma: Get rid of iommu_pass_through
2019-08-23 10:11:01 +02:00
pci-iommu_table.c
…
pci-swiotlb.c
dma-mapping: fix filename references
2019-09-03 08:36:30 +02:00
pcspeaker.c
…
perf_regs.c
perf/x86/regs: Check reserved bits
2019-06-24 19:19:24 +02:00
platform-quirks.c
…
pmem.c
x86/pmem: Fix platform-device leak in error path
2022-08-25 11:17:33 +02:00
probe_roms.c
…
process_32.c
x86/resctl: fix scheduler confusion with 'current'
2023-03-11 16:44:16 +01:00
process_64.c
x86/resctl: fix scheduler confusion with 'current'
2023-03-11 16:44:16 +01:00
process.c
x86/bugs: Make sure MSR_SPEC_CTRL is updated properly upon resume from S3
2022-12-08 11:23:04 +01:00
process.h
x86: Use the correct SPDX License Identifier in headers
2019-10-01 20:31:35 +02:00
ptrace.c
x86/ptrace: Mark expected switch fall-through
2019-08-07 15:12:01 +02:00
pvclock.c
x86/vdso: Switch to generic vDSO implementation
2019-06-22 21:21:10 +02:00
quirks.c
x86/PCI: Remove superfluous returns from void functions
2019-08-20 09:54:36 +02:00
reboot_fixups_32.c
…
reboot.c
x86/reboot: Disable virtualization in an emergency if SVM is supported
2023-03-11 16:44:01 +01:00
relocate_kernel_32.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 230
2019-06-19 17:09:06 +02:00
relocate_kernel_64.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 230
2019-06-19 17:09:06 +02:00
resource.c
…
rtc.c
…
setup_percpu.c
x86/irq/64: Split the IRQ stack into its own pages
2019-04-17 15:37:02 +02:00
setup.c
ACPI: x86: Call acpi_boot_table_init() after acpi_table_upgrade()
2021-05-07 10:51:37 +02:00
signal_compat.c
…
signal.c
x86/signal: Detect and prevent an alternate signal stack overflow
2021-07-20 16:10:49 +02:00
smp.c
x86/reboot: Disable SVM, not just VMX, when stopping CPUs
2023-03-11 16:44:01 +01:00
smpboot.c
x86/smpboot: Move rcu_cpu_starting() earlier
2022-12-19 12:24:15 +01:00
stacktrace.c
x86/stacktrace: Fix reliable check for empty user task stacks
2020-08-05 09:59:51 +02:00
step.c
ptrace: Reimplement PTRACE_KILL by always sending SIGKILL
2022-06-14 18:11:24 +02:00
sys_x86_64.c
x86/mm: Cleanup the control_va_addr_alignment() __setup handler
2022-06-14 18:11:35 +02:00
sysfb_efi.c
firmware/efi sysfb_efi: Add quirk for Lenovo IdeaPad Duet 3
2023-03-11 16:44:13 +01:00
sysfb_simplefb.c
x86/sysfb: Fix check for bad VRAM size
2020-02-24 08:36:29 +01:00
sysfb.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
tboot.c
iommu/vt-d: Avoid panic if iommu init fails in tboot system
2020-11-24 13:29:17 +01:00
tce_64.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
time.c
x86_64: Fix jiffies ODR violation
2020-06-17 16:40:24 +02:00
tls.c
x86/tls: Fix possible spectre-v1 in do_get_thread_area()
2019-06-27 23:48:04 +02:00
tls.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 193
2019-05-30 11:29:21 -07:00
topology.c
x86/topology: Make DEBUG_HOTPLUG_CPU0 pr_info() more descriptive
2019-04-19 19:42:57 +02:00
trace_clock.c
…
tracepoint.c
…
traps.c
x86/mm, tracing: Fix CR2 corruption
2019-07-17 23:17:38 +02:00
tsc_msr.c
x86/tsr: Fix tsc frequency enumeration bug on Lightning Mountain SoC
2020-08-21 13:05:36 +02:00
tsc_sync.c
x86/tsc: Add a timer to make sure TSC_adjust is always checked
2021-12-08 09:01:14 +01:00
tsc.c
x86/tsc: Disable clocksource watchdog for TSC on qualified platorms
2021-12-08 09:01:14 +01:00
umip.c
x86/umip: Add emulation (spoofing) for UMIP covered instructions in 64-bit processes as well
2019-09-10 08:36:16 +02:00
unwind_frame.c
x86/stackframe/32: Provide consistent pt_regs
2019-06-25 10:23:47 +02:00
unwind_guess.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
unwind_orc.c
x86/unwind/orc: Fix unreliable stack dump with gcov
2022-11-03 23:56:55 +09:00
uprobes.c
uprobes/x86: Allow to probe a NOP instruction with 0x66 prefix
2023-01-18 11:40:57 +01:00
verify_cpu.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 230
2019-06-19 17:09:06 +02:00
vm86_32.c
signal: Remove task parameter from force_sig
2019-05-27 09:36:28 -05:00
vmlinux.lds.S
x86, vmlinux.lds: Add RUNTIME_DISCARD_EXIT to generic DISCARDS
2023-03-17 08:32:53 +01:00
vsmp_64.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 346
2019-06-05 17:37:08 +02:00
x86_init.c
x86/timer: Don't skip PIT setup when APIC is disabled or in legacy mode
2020-02-11 04:35:52 -08:00