introduce generic sys_sigaltstack(), switch x86 and um to it

Conditional on CONFIG_GENERIC_SIGALTSTACK; architectures that do not
select it are completely unaffected

Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Al Viro 2012-12-14 14:09:47 -05:00
commit 6bf9adfc90
14 changed files with 19 additions and 21 deletions

View file

@ -335,6 +335,9 @@ config MODULES_USE_ELF_REL
Modules only use ELF REL relocations. Modules with ELF RELA
relocations will give an error.
config GENERIC_SIGALTSTACK
bool
#
# ABI hall of shame
#