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SubjectRe: [PATCHv4 1/6] actual sys_indirect code

cool patchset. Small nit, the series is not bisectable:

> +#include <asm/indirect.h>

> --- kernel/Makefile
> +++ kernel/Makefile
> @@ -9,7 +9,7 @@ obj-y = sched.o fork.o exec_domain.o panic.o printk.o profile.o \
> rcupdate.o extable.o params.o posix-timers.o \
> kthread.o wait.o kfifo.o sys_ni.o posix-cpu-timers.o mutex.o \
> hrtimer.o rwsem.o latency.o nsproxy.o srcu.o \
> - utsname.o notifier.o
> + utsname.o notifier.o indirect.o

indirect.o is built unconditionally, but it wont build at this stage
because asm/indirect.h is only introduced in later patches. I suspect a
CONFIG_ARCH_SUPPORTS_INDIRECT_SYSCALLS Kconfig flag, and its use in the
Makefile ought to do the trick. (it also reduces object size on
architectures that have no support for indirect syscalls (yet))

Ingo
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