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Benjamin Gray be98fcf7c1 powerpc/dexcr: Support userspace ROP protection 
The ISA 3.1B hashst and hashchk instructions use a per-cpu SPR HASHKEYR
to hold a key used in the hash calculation. This key should be different
for each process to make it harder for a malicious process to recreate
valid hash values for a victim process.

Add support for storing a per-thread hash key, and setting/clearing
HASHKEYR appropriately.

Signed-off-by: Benjamin Gray <bgray@linux.ibm.com>
Reviewed-by: Russell Currey <ruscur@russell.cc>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230616034846.311705-6-bgray@linux.ibm.com
2023-06-19 17:36:26 +10:00
..
ptrace
powerpc/ptrace: Add missing <linux/regset.h> include
2023-06-19 17:36:25 +10:00
syscalls
powerpc/32: fix syscall wrappers with 64-bit arguments
2022-11-01 10:24:09 +11:00
trace
powerpc/64: vmlinux support building with PCREL addresing
2023-04-20 12:59:21 +10:00
vdso
powerpc/build: vdso linker warning for orphan sections
2023-06-15 14:04:19 +10:00
.gitignore
…
85xx_entry_mapping.S
powerpc: Remove CONFIG_FSL_BOOKE
2022-09-26 22:47:37 +10:00
align.c
powerpc/inst: Define ppc_inst_t
2021-12-09 22:41:21 +11:00
asm-offsets.c
powerpc/64: vmlinux support building with PCREL addresing
2023-04-20 12:59:21 +10:00
audit.c
…
btext.c
powerpc: Use of_property_read_bool() for boolean properties
2023-03-30 23:36:35 +11:00
cacheinfo.c
powerpc: Remove asm/prom.h from all files that don't need it
2022-05-08 22:15:04 +10:00
cacheinfo.h
…
compat_audit.c
…
cpu_setup_6xx.S
powerpc/32: Fix objtool unannotated intra-function call warnings
2022-11-18 19:00:06 +11:00
cpu_setup_44x.S
…
cpu_setup_e500.S
powerpc/32: Fix objtool unannotated intra-function call warnings
2022-11-18 19:00:06 +11:00
cpu_setup_pa6t.S
…
cpu_setup_power.c
powerpc/dexcr: Add initial Dynamic Execution Control Register (DEXCR) support
2023-06-19 17:36:25 +10:00
cpu_setup_ppc970.S
…
cpu_specs_8xx.h
powerpc/cputable: Split cpu_specs[] out of cputable.h
2022-09-26 22:47:13 +10:00
cpu_specs_40x.h
powerpc/cputable: Split cpu_specs[] out of cputable.h
2022-09-26 22:47:13 +10:00
cpu_specs_44x.h
powerpc/cputable: Split cpu_specs[] out of cputable.h
2022-09-26 22:47:13 +10:00
cpu_specs_47x.h
powerpc/cputable: Split cpu_specs[] out of cputable.h
2022-09-26 22:47:13 +10:00
cpu_specs_85xx.h
powerpc/cputable: Split cpu_specs[] for mpc85xx and e500mc
2022-09-26 23:00:05 +10:00
cpu_specs_book3s_32.h
powerpc/cputable: Split cpu_specs[] out of cputable.h
2022-09-26 22:47:13 +10:00
cpu_specs_book3s_64.h
powerpc/cputable: Split cpu_specs[] out of cputable.h
2022-09-26 22:47:13 +10:00
cpu_specs_e500mc.h
powerpc/cputable: Split cpu_specs[] for mpc85xx and e500mc
2022-09-26 23:00:05 +10:00
cpu_specs.h
powerpc/cputable: Split cpu_specs[] for mpc85xx and e500mc
2022-09-26 23:00:05 +10:00
cputable.c
powerpc/cputable: Split cpu_specs[] out of cputable.h
2022-09-26 22:47:13 +10:00
crash_dump.c
Merge tag 'powerpc-5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
2022-05-28 11:27:17 -07:00
dawr.c
powerpc: Include asm/firmware.h in all users of firmware_has_feature()
2022-06-29 16:45:05 +10:00
dbell.c
powerpc/64: Fix perf profiling asynchronous interrupt handlers
2023-01-30 20:07:42 +11:00
dma-iommu.c
powerpc/iommu: Incorrect DDW Table is referenced for SR-IOV device
2023-05-17 00:54:55 +10:00
dma-mask.c
…
dma-swiotlb.c
swiotlb: add a SWIOTLB_ANY flag to lift the low memory restriction
2022-04-18 07:21:12 +02:00
dt_cpu_ftrs.c
powerpc: move from strlcpy with unused retval to strscpy
2022-08-26 11:02:20 +10:00
early_32.c
powerpc: Move C prototypes out of asm-prototypes.h
2022-03-08 22:06:25 +11:00
eeh_cache.c
powerpc/kernel: Add __init attribute to eligible functions
2021-12-23 22:33:10 +11:00
eeh_driver.c
powerpc/eeh: Set channel state after notifying the drivers
2023-02-15 22:41:11 +11:00
eeh_event.c
powerpc: fix typos in comments
2022-05-05 22:12:44 +10:00
eeh_pe.c
powerpc: Fix all occurences of "the the"
2022-05-22 15:59:43 +10:00
eeh_sysfs.c
powerpc: Add missing headers
2022-05-08 22:15:40 +10:00
eeh.c
powerpc: fix typos in comments
2022-05-05 22:12:44 +10:00
entry_32.S
powerpc: merge 32-bit and 64-bit _switch implementation
2023-06-15 14:03:55 +10:00
epapr_hcalls.S
powerpc/epapr: Don't use wrteei on non booke
2023-02-17 22:07:04 +11:00
epapr_paravirt.c
powerpc/inst: Define ppc_inst_t
2021-12-09 22:41:21 +11:00
exceptions-64e.S
powerpc/64e: Clear gprs on interrupt routine entry on Book3E
2022-12-02 20:46:08 +11:00
exceptions-64s.S
powerpc: add CFUNC assembly label annotation
2023-04-20 12:54:24 +10:00
fadump.c
Merge tag 'powerpc-5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
2022-05-28 11:27:17 -07:00
firmware.c
…
fpu.S
powerpc/64s/interrupt: handle MSR EE and RI in interrupt entry wrapper
2021-12-16 21:31:45 +11:00
head_8xx.S
Merge branch 'topic/objtool' into next
2022-12-08 23:57:47 +11:00
head_32.h
powerpc: add a definition for the marker offset within the interrupt frame
2022-12-02 17:54:08 +11:00
head_40x.S
Merge branch 'topic/objtool' into next
2022-12-08 23:57:47 +11:00
head_44x.S
powerpc: allow minimum sized kernel stack frames
2022-12-02 17:54:09 +11:00
head_64.S
powerpc/64: vmlinux support building with PCREL addresing
2023-04-20 12:59:21 +10:00
head_85xx.S
powerpc/85xx: Fix unannotated intra-function call warning
2023-01-30 15:59:59 +11:00
head_book3s_32.S
Merge branch 'topic/objtool' into next
2022-12-08 23:57:47 +11:00
head_booke.h
powerpc/32: Include thread_info.h in head_booke.h
2023-04-11 23:13:33 +10:00
hw_breakpoint_constraints.c
powerpc/inst: Define ppc_inst_t
2021-12-09 22:41:21 +11:00
hw_breakpoint.c
powerpc/8xx: Fix warning in hw_breakpoint_handler()
2022-11-24 23:31:49 +11:00
idle_6xx.S
powerpc/mm: Switch obsolete dssall to .long
2021-12-23 22:35:13 +11:00
idle_64e.S
powerpc: add ISA v3.0 / v3.1 wait opcode macro
2022-09-28 19:22:10 +10:00
idle_85xx.S
powerpc: Cleanup idle for e500
2022-09-26 23:00:14 +10:00
idle_book3s.S
…
idle.c
powerpc: Simplify sysctl registration for powersave_nap_ctl_table
2023-03-16 15:18:12 +11:00
ima_arch.c
…
interrupt_64.S
powerpc: Fix merge conflict between pcrel and copy_thread changes
2023-04-26 16:20:16 +10:00
interrupt.c
powerpc/interrupt: Don't read MSR from interrupt_exit_kernel_prepare()
2023-06-09 23:29:51 +10:00
io-workarounds.c
…
io.c
…
iomap.c
…
iommu.c
powerpc/iommu: DMA address offset is incorrectly calculated with 2MB TCEs
2023-05-17 00:53:06 +10:00
irq_64.c
powerpc/64: Don't call trace_hardirqs_on() in prep_irq_for_idle()
2023-04-20 13:21:49 +10:00
irq.c
powerpc/64: vmlinux support building with PCREL addresing
2023-04-20 12:59:21 +10:00
isa-bridge.c
powerpc/isa-bridge: Fix ISA mapping when "ranges" is not present
2023-05-08 22:57:10 +10:00
jump_label.c
…
kdebugfs.c
…
kgdb.c
powerpc: add definition for pt_regs offset within an interrupt frame
2022-12-02 17:54:08 +11:00
kprobes-ftrace.c
…
kprobes.c
Merge tag 'powerpc-6.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
2022-12-19 07:13:33 -06:00
kvm_emul.S
…
kvm.c
powerpc: Remove CONFIG_PPC_BOOK3E_MMU
2022-09-26 23:00:14 +10:00
l2cr_6xx.S
powerpc/mm: Switch obsolete dssall to .long
2021-12-23 22:35:13 +11:00
legacy_serial.c
powerpc: Use of_property_read_bool() for boolean properties
2023-03-30 23:36:35 +11:00
Makefile
powerpc/64: Rename entry_64.S to prom_entry_64.S
2023-06-15 14:04:19 +10:00
mce_power.c
powerpc/inst: Define ppc_inst_t
2021-12-09 22:41:21 +11:00
mce.c
powerpc/mce: log the error for all unrecoverable errors
2023-02-10 22:17:34 +11:00
misc_32.S
powerpc: allow minimum sized kernel stack frames
2022-12-02 17:54:09 +11:00
misc_64.S
powerpc: add CFUNC assembly label annotation
2023-04-20 12:54:24 +10:00
misc.S
…
module_32.c
module: replace module_layout with module_memory
2023-03-09 12:55:15 -08:00
module_64.c
powerpc/64: modules support building with PCREL addresing
2023-04-20 13:21:42 +10:00
module.c
powerpc: Replace PPC64_ELF_ABI_v{1/2} by CONFIG_PPC64_ELF_ABI_V{1/2}
2022-05-19 23:11:29 +10:00
msi.c
…
note.S
…
nvram_64.c
powerpc: Add missing headers
2022-05-08 22:15:40 +10:00
of_platform.c
…
optprobes_head.S
powerpc: add definition for pt_regs offset within an interrupt frame
2022-12-02 17:54:08 +11:00
optprobes.c
powerpc/kprobes: Have optimized_callback() use preempt_enable()
2022-11-24 23:31:49 +11:00
paca.c
powerpc/64: vmlinux support building with PCREL addresing
2023-04-20 12:59:21 +10:00
pci_32.c
powerpc/pci: Add option for using pci_to_OF_bus_map
2023-02-07 20:15:23 +11:00
pci_64.c
powerpc/pci_64: Init pcibios subsys a bit later
2023-03-14 23:36:27 +11:00
pci_dn.c
powerpc/pci_dn: Add missing of_node_put()
2022-09-05 17:30:25 +10:00
pci_of_scan.c
powerpc: Add missing headers
2022-05-08 22:15:40 +10:00
pci-common.c
PCI: Introduce pci_dev_for_each_resource()
2023-04-04 10:43:52 -05:00
pci-hotplug.c
powerpc: Add missing headers
2022-05-08 22:15:40 +10:00
pmc.c
…
ppc_save_regs.S
powerpc: add definition for pt_regs offset within an interrupt frame
2022-12-02 17:54:08 +11:00
proc_powerpc.c
powerpc: Add missing headers
2022-05-08 22:15:40 +10:00
process.c
powerpc/dexcr: Support userspace ROP protection
2023-06-19 17:36:26 +10:00
prom_entry_64.S
powerpc/64: Rename entry_64.S to prom_entry_64.S
2023-06-15 14:04:19 +10:00
prom_init_check.sh
kasan, powerpc: don't rename memintrinsics if compiler adds prefixes
2023-03-23 17:18:33 -07:00
prom_init.c
powerpc/prom_init: drop PROM_BUG()
2022-09-26 20:58:18 +10:00
prom_parse.c
…
prom.c
powerpc/dexcr: Add initial Dynamic Execution Control Register (DEXCR) support
2023-06-19 17:36:25 +10:00
reloc_32.S
…
reloc_64.S
powerpc/64: avoid using r13 in relocate
2022-09-28 19:22:13 +10:00
rtas_entry.S
powerpc/rtas: Fix RTAS MSR[HV] handling for Cell
2022-08-26 08:41:54 +10:00
rtas_flash.c
powerpc/rtas: arch-wide function token lookup conversions
2023-02-13 22:35:03 +11:00
rtas_pci.c
powerpc/rtas: arch-wide function token lookup conversions
2023-02-13 22:35:03 +11:00
rtas-proc.c
powerpc/rtas: arch-wide function token lookup conversions
2023-02-13 22:35:03 +11:00
rtas-rtc.c
powerpc/rtas: arch-wide function token lookup conversions
2023-02-13 22:35:03 +11:00
rtas.c
powerpc/rtas: lockdep annotations
2023-03-30 23:36:35 +11:00
rtasd.c
powerpc/rtas: arch-wide function token lookup conversions
2023-02-13 22:35:03 +11:00
secure_boot.c
…
security.c
powerpc: Remove CONFIG_PPC_FSL_BOOK3E
2022-09-26 23:00:13 +10:00
secvar-ops.c
powerpc/secvar: Warn and error if multiple secvar ops are set
2023-02-12 22:12:36 +11:00
secvar-sysfs.c
powerpc/secvar: Don't print error on ENOENT when reading variables
2023-02-12 22:12:37 +11:00
setup_32.c
powerpc: Change CONFIG_E500 to CONFIG_PPC_E500
2022-09-26 23:00:13 +10:00
setup_64.c
cpu: Mark panic_smp_self_stop() __noreturn
2023-04-14 17:31:25 +02:00
setup-common.c
powerpc/machdep: Define 'compatible' property in ppc_md and use it
2023-03-15 00:52:10 +11:00
setup.h
powerpc: Remove CONFIG_PPC_BOOK3E
2022-09-26 23:00:13 +10:00
signal_32.c
powerpc/signal32: Force inlining of __unsafe_save_user_regs() and save_tm_user_regs_unsafe()
2023-06-09 23:29:51 +10:00
signal_64.c
powerpc/signal: Update comment for clarity
2022-07-28 16:22:14 +10:00
signal.c
powerpc/signal: Report minimum signal frame size to userspace via AT_MINSIGSTKSZ
2022-05-19 23:11:26 +10:00
signal.h
powerpc: Don't add __powerpc_ prefix to syscall entry points
2022-10-07 00:59:54 +11:00
smp-tbsync.c
…
smp.c
Merge tag 'smp-core-2023-04-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2023-04-28 15:03:43 -07:00
stacktrace.c
powerpc: allow minimum sized kernel stack frames
2022-12-02 17:54:09 +11:00
static_call.c
…
suspend.c
…
switch.S
powerpc: merge 32-bit and 64-bit _switch implementation
2023-06-15 14:03:55 +10:00
swsusp_32.S
powerpc/32: Fix objtool unannotated intra-function call warnings
2022-11-18 19:00:06 +11:00
swsusp_64.c
…
swsusp_85xx.S
powerpc: Remove CONFIG_FSL_BOOKE
2022-09-26 22:47:37 +10:00
swsusp_asm64.S
powerpc/64: asm use consistent global variable declaration and access
2022-09-28 19:22:12 +10:00
swsusp.c
…
sys_ppc32.c
powerpc/32: fix syscall wrappers with 64-bit arguments
2022-11-01 10:24:09 +11:00
syscall.c
powerpc: Provide syscall wrapper
2022-09-28 19:22:09 +10:00
syscalls.c
powerpc: Adopt SYSCALL_DEFINE for arch-specific syscall handlers
2022-09-28 19:22:08 +10:00
sysfs.c
powerpc/sysfs: move to use bus_get_dev_root()
2023-03-17 15:29:34 +01:00
systbl.c
powerpc: Don't add __powerpc_ prefix to syscall entry points
2022-10-07 00:59:54 +11:00
tau_6xx.c
powerpc: Move C prototypes out of asm-prototypes.h
2022-03-08 22:06:25 +11:00
time.c
powerpc: Make generic_calibrate_decr() the default
2023-03-16 08:56:48 +11:00
tm.S
powerpc: add definition for pt_regs offset within an interrupt frame
2022-12-02 17:54:08 +11:00
traps.c
powerpc/dexcr: Handle hashchk exception
2023-06-19 17:36:26 +10:00
ucall.S
…
udbg_16550.c
powerpc: Add support for early debugging via Serial 16550 console
2022-09-28 19:22:09 +10:00
udbg.c
powerpc: Add support for early debugging via Serial 16550 console
2022-09-28 19:22:09 +10:00
uprobes.c
powerpc: Reject probes on instructions that can't be single stepped
2022-05-06 00:00:20 +10:00
vdso32_wrapper.S
powerpc/vdso: Merge vdso64 and vdso32 into a single directory
2022-02-12 22:47:43 +11:00
vdso64_wrapper.S
powerpc/vdso: Merge vdso64 and vdso32 into a single directory
2022-02-12 22:47:43 +11:00
vdso.c
mm: remove zap_page_range and create zap_vma_pages
2023-01-18 17:12:55 -08:00
vecemu.c
powerpc/inst: Define ppc_inst_t
2021-12-09 22:41:21 +11:00
vector.S
powerpc/64: vmlinux support building with PCREL addresing
2023-04-20 12:59:21 +10:00
vmlinux.lds.S
powerpc/64: vmlinux support building with PCREL addresing
2023-04-20 12:59:21 +10:00
watchdog.c
powerpc/watchdog: introduce a NMI watchdog's factor
2022-07-27 21:36:02 +10:00