Re: [PATCH v5 4/6] mm: simplify compat numa syscalls
From: Arnd Bergmann <arnd@kernel.org>
Date: 2021-07-27 18:50:11
Also in:
linux-api, linux-arch, linux-mips, linux-mm, linux-s390, linuxppc-dev, lkml, sparclinux
On Tue, Jul 27, 2021 at 8:38 PM Heiko Carstens [off-list ref] wrote:
-268 common mbind sys_mbind compat_sys_mbind -269 common get_mempolicy sys_get_mempolicy compat_sys_get_mempolicy -270 common set_mempolicy sys_set_mempolicy compat_sys_set_mempolicy +268 common mbind sys_mbind sys_mbind +269 common get_mempolicy sys_get_mempolicy sys_get_mempolicy +270 common set_mempolicy sys_set_mempolicy sys_set_mempolicy would remove compat_ptr() conversion from nmask above if I'm not mistaken.
Maybe I'm misremembering how compat syscalls work on s390. Doesn't
SYSCALL_DEFINEx(sys_mbind) still create two entry points __s390x_sys_mbind()
and __s390_sys_mbind() with different argument conversion (__SC_CAST vs
__SC_COMPAT_CAST)? I thought that was the whole point of the macros.
Arnd
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel