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(parent: fff34ff) | patch
signal: Add unsafe_put_compat_sigset()
authorChristophe Leroy <christophe.leroy@csgroup.eu>
Tue, 18 Aug 2020 17:19:32 +0000 (17:19 +0000)
committerMichael Ellerman <mpe@ellerman.id.au>
Thu, 3 Dec 2020 14:01:14 +0000 (01:01 +1100)
commit48ee9c855ccee477f1a35cba2a6c5cab34b3343e
tree99ff430b4360c923d38d322fded53963e2374a99tree | snapshot
parentfff34ffaa11ea02844f6aab77966abfe027c5309commit | diff
signal: Add unsafe_put_compat_sigset()

Implement 'unsafe' version of put_compat_sigset()

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

For the littleendian, use a straight unsafe_copy_to_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/537c7082ee309a0bb9c67a50c5d9dd929aedb82d.1597770847.git.christophe.leroy@csgroup.eu
include/linux/compat.h diff | blob | history
Linux Kernel Source Tree.