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50ae81305c7a3ee802f0a1988503ce913c79cd6e
linux/arch/sparc/kernel
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Eric W. Biederman 50ae81305c signal: Verify the alignment and size of siginfo_t 
Update the static assertions about siginfo_t to also describe
it's alignment and size.

While investigating if it was possible to add a 64bit field into
siginfo_t[1] it became apparent that the alignment of siginfo_t
is as much a part of the ABI as the size of the structure.

If the alignment changes siginfo_t when embedded in another structure
can move to a different offset.  Which is not acceptable from an ABI
structure.

So document that fact and add static assertions to notify developers
if they change change the alignment by accident.

[1] https://lkml.kernel.org/r/YJEZdhe6JGFNYlum@elver.google.com
Acked-by: Marco Elver <elver@google.com>
v1: https://lkml.kernel.org/r/20210505141101.11519-4-ebiederm@xmission.co
Link: https://lkml.kernel.org/r/875yxaxmyl.fsf_-_@disp2133
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2021-07-23 13:15:31 -05:00
..
syscalls
Merge tag 'kbuild-v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2021-07-10 11:01:38 -07:00
.gitignore
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
adi_64.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 482
2019-06-19 17:09:52 +02:00
apc.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
asm-offsets.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
audit.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
auxio_32.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
auxio_64.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
btext.c
treewide: Convert macro and uses of __section(foo) to __section("foo")
2020-10-25 14:51:49 -07:00
central.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
cherrs.S
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
chmc.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
compat_audit.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
cpu.c
mm: reorder includes after introduction of linux/pgtable.h
2020-06-09 09:39:13 -07:00
cpumap.c
sparc64: Replace zero-length array with flexible-array
2020-05-07 18:49:04 -07:00
cpumap.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
devices.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
ds.c
sparc/vio: make remove callback return void
2021-05-14 13:45:58 +02:00
dtlb_miss.S
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
dtlb_prot.S
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
ebus.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
entry.h
sparc64: Add support for ADI register fields, ASIs and traps
2018-03-18 07:38:45 -07:00
entry.S
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
2021-02-23 15:09:53 -08:00
etrap_32.S
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
etrap_64.S
sparc64: Add support for ADI (Application Data Integrity)
2018-03-18 07:38:48 -07:00
fpu_traps.S
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
ftrace.c
sparc/function_graph: Simplify with function_graph_enter()
2018-11-27 20:31:46 -05:00
getsetcc.S
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
head_32.S
sparc32: get rid of fake_swapper_regs
2021-01-03 20:10:55 -05:00
head_64.S
sparc64: get rid of fake_swapper_regs
2021-01-03 20:10:54 -05:00
helpers.S
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
hvapi.c
sparc64: Oracle DAX infrastructure
2018-01-22 08:17:15 -08:00
hvcalls.S
sparc64: Oracle DAX infrastructure
2018-01-22 08:17:15 -08:00
hvtramp.S
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
idprom.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
iommu_common.h
sparc: remove the mapping_error dma_map_ops method
2018-12-06 06:56:40 -08:00
iommu-common.c
dma-mapping: introduce dma_get_seg_boundary_nr_pages()
2020-09-03 18:12:15 +02:00
iommu.c
dma-mapping: split <linux/dma-mapping.h>
2020-10-06 07:07:03 +02:00
ioport.c
dma-mapping: merge <linux/dma-noncoherent.h> into <linux/dma-map-ops.h>
2020-10-06 07:07:06 +02:00
irq_32.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
irq_64.c
softirq: Move do_softirq_own_stack() to generic asm header
2021-02-10 23:34:16 +01:00
irq.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
itlb_miss.S
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
ivec.S
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
jump_label.c
jump_label: move 'asm goto' support test to Kconfig
2019-01-06 09:46:51 +09:00
kernel.h
sparc: share process creation helpers between sparc and sparc64
2020-06-23 10:49:56 +02:00
kgdb_32.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
kgdb_64.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
kprobes.c
kprobes: Do not increment probe miss count in the fault handler
2021-06-03 15:47:26 +02:00
kstack.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
ktlb.S
mm: reorder includes after introduction of linux/pgtable.h
2020-06-09 09:39:13 -07:00
ldc.c
iommu-common: move to arch/sparc
2018-05-09 06:54:27 +02:00
led.c
sparc: fix led.c driver when PROC_FS is not enabled
2021-02-18 16:31:13 -08:00
leon_kernel.c
sparc: Remove unused leon_trans_init
2018-11-18 13:35:22 -08:00
leon_pci_grpci1.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
leon_pci_grpci2.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
leon_pci.c
sparc/PCI: Use dev_printk() when possible
2018-05-22 07:54:06 -05:00
leon_pmc.c
sched/idle: Fix arch_cpu_idle() vs tracing
2020-11-24 16:47:35 +01:00
leon_smp.c
mm: remove unneeded includes of <asm/pgalloc.h>
2020-08-07 11:33:26 -07:00
Makefile
sparc: share process creation helpers between sparc and sparc64
2020-06-23 10:49:56 +02:00
mdesc.c
mdesc: fix a missing-check bug in get_vdev_port_node_info()
2019-06-02 22:15:35 -07:00
misctrap.S
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
module.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nmi.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
of_device_32.c
sparc: Use DT node full_name instead of name for resources
2018-11-18 13:35:22 -08:00
of_device_64.c
sparc: Use DT node full_name instead of name for resources
2018-11-18 13:35:22 -08:00
of_device_common.c
sparc32: use per-device dma_ops
2020-04-02 18:11:55 -07:00
of_device_common.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
pci_common.c
sparc/PCI: Use dev_printk() when possible
2018-05-22 07:54:06 -05:00
pci_fire.c
mm: replace all open encodings for NUMA_NO_NODE
2019-03-05 21:07:14 -08:00
pci_impl.h
sparc/PCI: Support arbitrary host bridge address offset
2018-02-15 15:07:30 -06:00
pci_msi.c
sparc/PCI: Use dev_printk() when possible
2018-05-22 07:54:06 -05:00
pci_psycho.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
pci_sabre.c
sparc: Use of_node_name_eq for node name comparisons
2018-11-18 13:35:21 -08:00
pci_schizo.c
mm: replace all open encodings for NUMA_NO_NODE
2019-03-05 21:07:14 -08:00
pci_sun4v_asm.S
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
pci_sun4v.c
dma-mapping: split <linux/dma-mapping.h>
2020-10-06 07:07:03 +02:00
pci_sun4v.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
pci.c
sparc: use for_each_child_of_node() macro
2020-08-05 17:51:51 -07:00
pcic.c
sparc/PCI: Use dev_printk() when possible
2018-05-22 07:54:06 -05:00
pcr.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
perf_event.c
sparc: perf: fix updated event period in response to PERF_EVENT_IOC_PERIOD
2019-06-02 22:16:33 -07:00
pmc.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
power.c
sparc: Convert to using %pOFn instead of device_node.name
2018-11-18 13:35:20 -08:00
process_32.c
sched: Introduce task_is_running()
2021-06-18 11:43:07 +02:00
process_64.c
signal/sparc: si_trapno is only used with SIGILL ILL_ILLTRP
2021-07-23 13:08:57 -05:00
process.c
sparc: switch to kernel_clone()
2020-08-20 13:12:58 +02:00
prom_32.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
prom_64.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
prom_common.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
prom_irqtrans.c
sparc: Use device_type helpers to access the node type
2018-11-18 13:35:21 -08:00
prom.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
psycho_common.c
mm: replace all open encodings for NUMA_NO_NODE
2019-03-05 21:07:14 -08:00
psycho_common.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
ptrace_32.c
sparc: switch to ->regset_get()
2020-07-27 14:31:08 -04:00
ptrace_64.c
sparc: switch to ->regset_get()
2020-07-27 14:31:08 -04:00
reboot.c
sparc: Use device_type helpers to access the node type
2018-11-18 13:35:21 -08:00
rtrap_32.S
sparc32: Preserve clone syscall flags argument for restarts due to signals
2021-02-18 16:15:11 -08:00
rtrap_64.S
sched/rt, sparc: Use CONFIG_PREEMPTION
2019-12-08 14:37:35 +01:00
sbus.c
mm: replace all open encodings for NUMA_NO_NODE
2019-03-05 21:07:14 -08:00
setup_32.c
sparc32: get rid of fake_swapper_regs
2021-01-03 20:10:55 -05:00
setup_64.c
sparc64: get rid of fake_swapper_regs
2021-01-03 20:10:54 -05:00
signal32.c
signal: Verify the alignment and size of siginfo_t
2021-07-23 13:15:31 -05:00
signal_32.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
2021-02-23 15:09:53 -08:00
signal_64.c
signal: Verify the alignment and size of siginfo_t
2021-07-23 13:15:31 -05:00
sigutil_32.c
Remove 'type' argument from access_ok() function
2019-01-03 18:57:57 -08:00
sigutil_64.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
sigutil.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
smp_32.c
sched/core: Initialize the idle task with preemption disabled
2021-05-12 13:01:45 +02:00
smp_64.c
Merge branch 'akpm' (patches from Andrew)
2021-06-29 17:29:11 -07:00
sparc_ksyms.c
sparc: move exports to definitions
2016-08-07 23:55:43 -04:00
spiterrs.S
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
sstate.c
kernel.h: split out panic and oops helpers
2021-07-01 11:06:04 -07:00
stacktrace.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
starfire.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
sun4d_irq.c
sparc: Use of_node_name_eq for node name comparisons
2018-11-18 13:35:21 -08:00
sun4d_smp.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
sun4m_irq.c
mm: remove unneeded includes of <asm/pgalloc.h>
2020-08-07 11:33:26 -07:00
sun4m_smp.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
sun4v_ivec.S
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
sun4v_mcd.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 482
2019-06-19 17:09:52 +02:00
sun4v_tlb_miss.S
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
sys32.S
net: remove compat_sys_{get,set}sockopt
2020-07-19 18:16:40 -07:00
sys_sparc32.c
sparc: remove unused header file nfs_fs.h
2020-06-02 18:41:48 -07:00
sys_sparc_32.c
signal/sparc: si_trapno is only used with SIGILL ILL_ILLTRP
2021-07-23 13:08:57 -05:00
sys_sparc_64.c
signal/sparc: si_trapno is only used with SIGILL ILL_ILLTRP
2021-07-23 13:08:57 -05:00
syscalls.S
sparc64: enable HAVE_COPY_THREAD_TLS
2020-06-23 10:49:54 +02:00
sysfs.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
systbls_32.S
sparc: syscalls: switch to generic syscalltbl.sh
2021-05-02 00:43:34 +09:00
systbls_64.S
sparc: syscalls: switch to generic syscalltbl.sh
2021-05-02 00:43:34 +09:00
systbls.h
sparc: get rid of asm wrapper for nis_syscall()
2018-03-20 12:05:17 -04:00
time_32.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
time_64.c
cpufreq: Call transition notifier only once for each policy
2019-05-10 12:20:36 +02:00
trampoline_32.S
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
trampoline_64.S
mm: reorder includes after introduction of linux/pgtable.h
2020-06-09 09:39:13 -07:00
traps_32.c
signal/sparc: si_trapno is only used with SIGILL ILL_ILLTRP
2021-07-23 13:08:57 -05:00
traps_64.c
signal/sparc: si_trapno is only used with SIGILL ILL_ILLTRP
2021-07-23 13:08:57 -05:00
tsb.S
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
ttable_32.S
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
ttable_64.S
sparc64: Add support for ADI register fields, ASIs and traps
2018-03-18 07:38:45 -07:00
una_asm_32.S
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
una_asm_64.S
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
unaligned_32.c
signal/sparc: si_trapno is only used with SIGILL ILL_ILLTRP
2021-07-23 13:08:57 -05:00
unaligned_64.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
uprobes.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13
2019-05-21 11:28:45 +02:00
urtt_fill.S
sparc64: Add support for ADI (Application Data Integrity)
2018-03-18 07:38:48 -07:00
utrap.S
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
vdso.c
locking/seqlock, headers: Untangle the spaghetti monster
2020-08-06 16:13:13 +02:00
vio.c
sparc/vio: make remove callback return void
2021-05-14 13:45:58 +02:00
viohs.c
sparc64: viohs: Use struct_size() helper
2020-06-22 15:43:16 -07:00
visemul.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
vmlinux.lds.S
vmlinux.lds.h: Split ELF_DETAILS from STABS_DEBUG
2020-09-01 09:50:35 +02:00
windows.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
winfixup.S
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
wof.S
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
wuf.S
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00