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linux/include
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Christophe Leroy fb05121fd6 signal: Add unsafe_get_compat_sigset() 
In the same way as commit 14026b94cc ("signal: Add
unsafe_put_compat_sigset()"), this time add
unsafe_get_compat_sigset() macro which is the 'unsafe'
version of get_compat_sigset()

For the bigendian, use unsafe_get_user() directly
to avoid intermediate copy through the stack.

For the littleendian, use a straight unsafe_copy_from_user().

This commit adds the generic fallback for unsafe_copy_from_user().
Architectures wanting to use unsafe_get_compat_sigset() have to
make sure they have their own unsafe_copy_from_user().

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/b05bf434ee13c76bc9df5f02653a10db5e7b54e5.1616151715.git.christophe.leroy@csgroup.eu
2021-04-03 21:22:18 +11:00
..
acpi IOMMU Updates for Linux v5.12 2021-02-22 10:31:29 -08:00
asm-generic RISC-V Patches for the 5.12 Merge Window 2021-02-26 10:28:35 -08:00
clocksource
crypto Keyrings miscellany 2021-02-23 16:09:23 -08:00
drm drm/drm_vblank: set the dma-fence timestamp during send_vblank_event 2021-02-24 21:05:54 +05:30
dt-bindings RISC-V Patches for the 5.12 Merge Window 2021-02-26 10:28:35 -08:00
keys
kunit
kvm KVM: arm64: Turn kvm_arm_support_pmu_v3() into a static key 2021-03-06 04:18:40 -05:00
linux signal: Add unsafe_get_compat_sigset() 2021-04-03 21:22:18 +11:00
math-emu
media media: rc: compile rc-cec.c into rc-core 2021-03-11 11:40:28 +01:00
memory
misc
net net: icmp: pass zeroed opts from icmp{,v6}_ndo_send before sending 2021-02-23 11:29:52 -08:00
pcmcia
ras
rdma RDMA/ipoib: Remove racy Subnet Manager sendonly join checks 2021-02-16 14:42:58 -04:00
scsi
soc RISC-V Patches for the 5.12 Merge Window 2021-02-26 10:28:35 -08:00
sound ALSA/ASoC/SOF/SoundWire: fix Kconfig issues 2021-03-02 18:30:07 +01:00
target scsi: target: core: Add cmd length set before cmd complete 2021-02-22 22:21:29 -05:00
trace block-5.12-2021-02-27 2021-02-28 11:23:38 -08:00
uapi Merge git://git.kernel.org:/pub/scm/linux/kernel/git/netdev/net 2021-03-09 17:15:56 -08:00
vdso
video
xen Xen/gnttab: introduce common INVALID_GRANT_{HANDLE,REF} 2021-03-10 16:39:29 -06:00