On Fri, 26 Feb 2016 17:48:44 +0100 Alexander Potapenko <gli...@google.com> wrote:
> KASAN needs to know whether the allocation happens in an IRQ handler. > This lets us strip everything below the IRQ entry point to reduce the > number of unique stack traces needed to be stored. > > Move the definition of __irq_entry to <linux/interrupt.h> so that the > users don't need to pull in <linux/ftrace.h>. Also introduce the > __softirq_entry macro which is similar to __irq_entry, but puts the > corresponding functions to the .softirqentry.text section. > > Signed-off-by: Alexander Potapenko <gli...@google.com> Acked-by: Steven Rostedt <rost...@goodmis.org> -- Steve > --- > v2: - per request from Steven Rostedt, moved the declarations of > __softirq_entry > and __irq_entry to <linux/interrupt.h> > > v3: - minor description changes > --- > arch/arm/kernel/vmlinux.lds.S | 1 + > arch/arm64/kernel/vmlinux.lds.S | 1 + > arch/blackfin/kernel/vmlinux.lds.S | 1 + > arch/c6x/kernel/vmlinux.lds.S | 1 + > arch/metag/kernel/vmlinux.lds.S | 1 + > arch/microblaze/kernel/vmlinux.lds.S | 1 + > arch/mips/kernel/vmlinux.lds.S | 1 + > arch/nios2/kernel/vmlinux.lds.S | 1 + > arch/openrisc/kernel/vmlinux.lds.S | 1 + > arch/parisc/kernel/vmlinux.lds.S | 1 + > arch/powerpc/kernel/vmlinux.lds.S | 1 + > arch/s390/kernel/vmlinux.lds.S | 1 + > arch/sh/kernel/vmlinux.lds.S | 1 + > arch/sparc/kernel/vmlinux.lds.S | 1 + > arch/tile/kernel/vmlinux.lds.S | 1 + > arch/x86/kernel/vmlinux.lds.S | 1 + > include/asm-generic/vmlinux.lds.h | 12 +++++++++++- > include/linux/ftrace.h | 11 ----------- > include/linux/interrupt.h | 20 ++++++++++++++++++++ > kernel/softirq.c | 2 +- > kernel/trace/trace_functions_graph.c | 1 + > 21 files changed, 49 insertions(+), 13 deletions(-) > >
