Anshuman Khandual b98cca444d mm, kprobes: generalize and rename notify_page_fault() as kprobe_page_fault() ... Architectures which support kprobes have very similar boilerplate around calling kprobe_fault_handler(). Use a helper function in kprobes.h to unify them, based on the x86 code. This changes the behaviour for other architectures when preemption is enabled. Previously, they would have disabled preemption while calling the kprobe handler. However, preemption would be disabled if this fault was due to a kprobe, so we know the fault was not due to a kprobe handler and can simply return failure. This behaviour was introduced in commit a980c0ef9f ("x86/kprobes: Refactor kprobes_fault() like kprobe_exceptions_notify()") [anshuman.khandual@arm.com: export kprobe_fault_handler()] Link: http://lkml.kernel.org/r/1561133358-8876-1-git-send-email-anshuman.khandual@arm.com Link: http://lkml.kernel.org/r/1560420444-25737-1-git-send-email-anshuman.khandual@arm.com Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com> Reviewed-by: Dave Hansen <dave.hansen@linux.intel.com> Cc: Michal Hocko <mhocko@suse.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Christophe Leroy <christophe.leroy@c-s.fr> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Andrey Konovalov <andreyknvl@google.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Paul Mackerras <paulus@samba.org> Cc: Russell King <linux@armlinux.org.uk> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: "David S. Miller" <davem@davemloft.net> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: James Hogan <jhogan@kernel.org> Cc: Paul Burton <paul.burton@mips.com> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2019-07-16 19:23:22 -07:00
..
appldata	sched: loadavg: consolidate LOAD_INT, LOAD_FRAC, CALC_LOAD	2018-10-26 16:26:32 -07:00
boot	s390/boot: fix compiler error due to missing awk strtonum	2019-05-07 14:37:14 +02:00
configs	Kbuild updates for v5.3	2019-07-12 16:03:16 -07:00
crypto	s390/crypto: sha: Use -ENODEV instead of -EOPNOTSUPP	2019-06-15 12:24:48 +02:00
hypfs	s390/kernel: introduce .dma sections	2019-04-29 10:47:10 +02:00
include	arch: replace _BITUL() in kernel-space headers with BIT()	2019-07-16 19:23:22 -07:00
kernel	s390 updates for the 5.3 merge window #2	2019-07-12 15:39:22 -07:00
kvm	ARM:	2019-07-12 15:35:14 -07:00
lib	s390: enforce CONFIG_SMP	2019-06-07 10:09:37 +02:00
mm	mm, kprobes: generalize and rename notify_page_fault() as kprobe_page_fault()	2019-07-16 19:23:22 -07:00
net	s390: bpf: eliminate zero extension code-gen	2019-05-24 18:58:38 -07:00
numa	treewide: add checks for the return value of memblock_alloc*()	2019-03-12 10:04:02 -07:00
oprofile	s390/unwind: introduce stack unwind API	2019-05-02 13:54:11 +02:00
pci	s390 updates for the 5.3 merge window #2	2019-07-12 15:39:22 -07:00
purgatory	s390/purgatory: update .gitignore	2019-06-04 15:03:42 +02:00
scripts	s390: make chkbss work with clang	2019-04-11 13:36:52 +02:00
tools	s390/disassembler: update opcode table	2019-06-04 15:03:58 +02:00
Kbuild	s390/kexec_file: Add purgatory	2018-04-16 09:10:22 +02:00
Kconfig	mm: rename CONFIG_HAVE_GENERIC_GUP to CONFIG_HAVE_FAST_GUP	2019-07-12 11:05:44 -07:00
Kconfig.debug	Kconfig: consolidate the "Kernel hacking" menu	2018-08-02 08:06:48 +09:00
Makefile	Kconfig updates for v5.3	2019-07-12 16:06:27 -07:00