On Tue, Feb 19, 2013 at 10:22:21AM +0100, Michal Marek wrote: > On 19.2.2013 07:48, Cyrill Gorcunov wrote: > > --- linux-2.6.git.orig/init/Kconfig > > +++ linux-2.6.git/init/Kconfig > > @@ -279,6 +279,15 @@ config FHANDLE > > get renamed. Enables open_by_handle_at(2) and name_to_handle_at(2) > > syscalls. > > > > +config KCMP > > + bool "kcmp syscall" > > + default n > > Previously, kcmp was enabled with CONFIG_CHECKPOINT_RESTORE. Maybe > change it to 'default CHECKPOINT_RESTORE', so that make oldconfig does > the right thing?
Yes, thanks, good point! I've been adviced that make it obj-y by default may be a good option as well, not sure. --- From: Cyrill Gorcunov <[email protected]> Subject: kcmp: Make it to depend on CONFIG_KCMP Since kcmp syscall has been implemented (initially on x86 architecture) a number of other archs wire it up as well: xtensa, sparc, sh, s390, mips, microblaze, m68k (not taking into account those who uses <asm-generic/unistd.h> for syscall numbers definitions). But the Makefile, which turns kcmp.o generation on still depends on former config-x86. Thus get rid of this limitation and make kcmp.o depend on CONFIG_KCMP option. v2: - As Michal pointed the old configs might already use of CHECKPOINT_RESTORE, so make "default" accordingly. Signed-off-by: Cyrill Gorcunov <[email protected]> Cc: KOSAKI Motohiro <[email protected]> Cc: "Eric W. Biederman" <[email protected]> Cc: Pavel Emelyanov <[email protected]> Cc: Andrey Vagin <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: H. Peter Anvin <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Glauber Costa <[email protected]> Cc: Andi Kleen <[email protected]> Cc: Tejun Heo <[email protected]> Cc: Matt Helsley <[email protected]> Cc: Pekka Enberg <[email protected]> Cc: Eric Dumazet <[email protected]> Cc: Vasiliy Kulikov <[email protected]> Cc: Alexey Dobriyan <[email protected]> Cc: [email protected] Cc: Michal Marek <[email protected]> Cc: Frederic Weisbecker <[email protected]> Cc: Andrew Morton <[email protected]> --- init/Kconfig | 9 +++++++++ kernel/Makefile | 4 +--- 2 files changed, 10 insertions(+), 3 deletions(-) Index: linux-2.6.git/init/Kconfig =================================================================== --- linux-2.6.git.orig/init/Kconfig +++ linux-2.6.git/init/Kconfig @@ -279,6 +279,15 @@ config FHANDLE get renamed. Enables open_by_handle_at(2) and name_to_handle_at(2) syscalls. +config KCMP + bool "kcmp syscall" + default CHECKPOINT_RESTORE + help + If you say Y here, a user level program will be able to use + kcmp(2) syscall. + + If unsure, say N. + config AUDIT bool "Auditing support" depends on NET Index: linux-2.6.git/kernel/Makefile =================================================================== --- linux-2.6.git.orig/kernel/Makefile +++ linux-2.6.git/kernel/Makefile @@ -25,9 +25,7 @@ endif obj-y += sched/ obj-y += power/ -ifeq ($(CONFIG_CHECKPOINT_RESTORE),y) -obj-$(CONFIG_X86) += kcmp.o -endif +obj-$(CONFIG_KCMP) += kcmp.o obj-$(CONFIG_FREEZER) += freezer.o obj-$(CONFIG_PROFILING) += profile.o obj-$(CONFIG_STACKTRACE) += stacktrace.o -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
