linux-stable/arch/arm64
Mark Rutland b6d8878d24 arm64: syscall: include prototype for EL0 SVC functions
The kbuild test robot reports that when building with W=1, GCC will warn
for a couple of missing prototypes in syscall.c:

|  arch/arm64/kernel/syscall.c:157:6: warning: no previous prototype for 'do_el0_svc' [-Wmissing-prototypes]
|    157 | void do_el0_svc(struct pt_regs *regs)
|        |      ^~~~~~~~~~
|  arch/arm64/kernel/syscall.c:164:6: warning: no previous prototype for 'do_el0_svc_compat' [-Wmissing-prototypes]
|    164 | void do_el0_svc_compat(struct pt_regs *regs)
|        |      ^~~~~~~~~~~~~~~~~

While this isn't a functional problem, as a general policy we should
include the prototype for functions wherever possible to catch any
accidental divergence between the prototype and implementation. Here we
can easily include <asm/exception.h>, so let's do so.

While there are a number of warnings elsewhere and some warnings enabled
under W=1 are of questionable benefit, this change helps to make the
code more robust as it evolved and reduces the noise somewhat, so it
seems worthwhile.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Reported-by: kernel test robot <lkp@intel.com>
Cc: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/202101141046.n8iPO3mw-lkp@intel.com
Link: https://lore.kernel.org/r/20210114124812.17754-1-mark.rutland@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2021-01-15 10:05:27 +00:00
..
boot ARM: SoC fixes for v5.11 2021-01-08 14:13:54 -08:00
configs ARM: device tree updates for 5.11 2020-12-16 16:27:35 -08:00
crypto crypto: sha - split sha.h into sha1.h and sha2.h 2020-11-20 14:45:33 +11:00
include arm64: make atomic helpers __always_inline 2021-01-13 15:09:06 +00:00
kernel arm64: syscall: include prototype for EL0 SVC functions 2021-01-15 10:05:27 +00:00
kvm KVM/arm64 fixes for 5.11, take #1 2021-01-08 05:02:40 -05:00
lib arm64: mte: add in-kernel MTE helpers 2020-12-22 12:55:07 -08:00
mm arm64: Remove arm64_dma32_phys_limit and its uses 2021-01-12 17:49:25 +00:00
net
xen
Kbuild
Kconfig Revert "arm64: Enable perf events based hard lockup detector" 2021-01-13 15:08:41 +00:00
Kconfig.debug
Kconfig.platforms ARM: device tree updates for 5.11 2020-12-16 16:27:35 -08:00
Makefile arm64: link with -z norelro for LLD or aarch64-elf 2021-01-05 11:51:41 +00:00