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WSL2-Linux-Kernel
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WSL2-Linux-Kernel/arch/hexagon/include/asm
История
Steven Rostedt (Red Hat) b35f549df1 syscalls: Remove start and number from syscall_get_arguments() args 
At Linux Plumbers, Andy Lutomirski approached me and pointed out that the
function call syscall_get_arguments() implemented in x86 was horribly
written and not optimized for the standard case of passing in 0 and 6 for
the starting index and the number of system calls to get. When looking at
all the users of this function, I discovered that all instances pass in only
0 and 6 for these arguments. Instead of having this function handle
different cases that are never used, simply rewrite it to return the first 6
arguments of a system call.

This should help out the performance of tracing system calls by ptrace,
ftrace and perf.

Link: http://lkml.kernel.org/r/20161107213233.754809394@goodmis.org

Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Dominik Brodowski <linux@dominikbrodowski.net>
Cc: Dave Martin <dave.martin@arm.com>
Cc: "Dmitry V. Levin" <ldv@altlinux.org>
Cc: x86@kernel.org
Cc: linux-snps-arc@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-c6x-dev@linux-c6x.org
Cc: uclinux-h8-devel@lists.sourceforge.jp
Cc: linux-hexagon@vger.kernel.org
Cc: linux-ia64@vger.kernel.org
Cc: linux-mips@vger.kernel.org
Cc: nios2-dev@lists.rocketboards.org
Cc: openrisc@lists.librecores.org
Cc: linux-parisc@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-riscv@lists.infradead.org
Cc: linux-s390@vger.kernel.org
Cc: linux-sh@vger.kernel.org
Cc: sparclinux@vger.kernel.org
Cc: linux-um@lists.infradead.org
Cc: linux-xtensa@linux-xtensa.org
Cc: linux-arch@vger.kernel.org
Acked-by: Paul Burton <paul.burton@mips.com> # MIPS parts
Acked-by: Max Filippov <jcmvbkbc@gmail.com> # For xtensa changes
Acked-by: Will Deacon <will.deacon@arm.com> # For the arm64 bits
Reviewed-by: Thomas Gleixner <tglx@linutronix.de> # for x86
Reviewed-by: Dmitry V. Levin <ldv@altlinux.org>
Reported-by: Andy Lutomirski <luto@amacapital.net>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
 		2019-04-05 09:26:43 -04:00
..
Kbuild KVM: export <linux/kvm_para.h> and <asm/kvm_para.h> iif KVM is supported 2019-03-28 17:27:42 +01:00
asm-offsets.h Hexagon: Add processor and system headers 2011-11-01 07:34:18 -07:00
atomic.h atomics/treewide: Make unconditional inc/dec ops optional 2018-06-21 14:25:24 +02:00
bitops.h fls: change parameter to unsigned int 2019-01-04 13:13:46 -08:00
cache.h Hexagon: set ARCH_DMA_MINALIGN 2014-12-16 13:27:30 -06:00
cacheflush.h hexagon: Fix build failures in linux-next 2014-12-16 13:27:12 -06:00
checksum.h ipv4: Update parameters for csum_tcpudp_magic to their original types 2016-03-13 23:55:13 -04:00
cmpxchg.h arch: Remove __ARCH_HAVE_CMPXCHG 2015-05-13 10:55:42 +02:00
delay.h arch: hexagon: kernel: add export symbol function __delay() 2014-04-04 18:19:59 -05:00
dma.h Hexagon: Copyright marking changes 2012-10-18 17:07:21 -05:00
elf.h Hexagon: update CR year for elf.h 2014-04-04 18:20:02 -05:00
exec.h Hexagon: Copyright marking changes 2012-10-18 17:07:21 -05:00
fixmap.h hexagon: use generic fixmap.h 2014-01-23 16:36:54 -08:00
fpu.h Hexagon: Core arch-specific header files 2011-11-01 07:34:18 -07:00
futex.h Remove 'type' argument from access_ok() function 2019-01-03 18:57:57 -08:00
hexagon_vm.h hexagon: Fix misspellings in comments. 2016-04-18 12:45:54 +02:00
intrinsics.h Hexagon: Copyright marking changes 2012-10-18 17:07:21 -05:00
io.h hexagon: add memset_io() helper 2018-05-01 15:49:46 -05:00
irq.h Hexagon: Copyright marking changes 2012-10-18 17:07:21 -05:00
irqflags.h Hexagon: Copyright marking changes 2012-10-18 17:07:21 -05:00
kgdb.h hexagon: include: asm: kgdb: extend DBG_MAX_REG_NUM for "cs0/1" 2014-04-04 18:19:59 -05:00
linkage.h Hexagon: Copyright marking changes 2012-10-18 17:07:21 -05:00
mem-layout.h Hexagon: use correct translation for VMALLOC_START 2013-04-30 19:40:29 -05:00
mmu.h Hexagon: Copyright marking changes 2012-10-18 17:07:21 -05:00
mmu_context.h sched/headers: Prepare to remove the <linux/mm_types.h> dependency from <linux/sched.h> 2017-03-02 08:42:37 +01:00
module.h Hexagon: Copyright marking changes 2012-10-18 17:07:21 -05:00
page.h Hexagon: use correct translations for DMA mappings 2013-04-30 19:40:28 -05:00
perf_event.h Hexagon: Copyright marking changes 2012-10-18 17:07:21 -05:00
pgalloc.h mm: treewide: remove unused address argument from pte_alloc functions 2019-01-04 13:13:47 -08:00
pgtable.h hexagon: drop the unused variable zero_page_mask 2018-06-15 07:55:25 +09:00
processor.h treewide: remove current_text_addr 2018-10-31 08:54:12 -07:00
smp.h smp, hexagon: kill SMP single function call interrupt 2014-04-04 18:20:01 -05:00
spinlock.h locking/arch: Remove dummy arch_{read,spin,write}_lock_flags() implementations 2017-10-10 11:50:19 +02:00
spinlock_types.h Hexagon: Copyright marking changes 2012-10-18 17:07:21 -05:00
string.h Hexagon: Copyright marking changes 2012-10-18 17:07:21 -05:00
suspend.h Hexagon: Copyright marking changes 2012-10-18 17:07:21 -05:00
switch_to.h Hexagon: Copyright marking changes 2012-10-18 17:07:21 -05:00
syscall.h syscalls: Remove start and number from syscall_get_arguments() args 2019-04-05 09:26:43 -04:00
thread_info.h Construct init thread stack in the linker script rather than by union 2018-01-09 23:21:02 +00:00
time.h Hexagon: Copyright marking changes 2012-10-18 17:07:21 -05:00
timer-regs.h Hexagon: Copyright marking changes 2012-10-18 17:07:21 -05:00
timex.h Hexagon: Copyright marking changes 2012-10-18 17:07:21 -05:00
tlb.h Hexagon: Copyright marking changes 2012-10-18 17:07:21 -05:00
tlbflush.h Hexagon: Copyright marking changes 2012-10-18 17:07:21 -05:00
traps.h Hexagon: Copyright marking changes 2012-10-18 17:07:21 -05:00
uaccess.h Remove 'type' argument from access_ok() function 2019-01-03 18:57:57 -08:00
vdso.h Hexagon: Copyright marking changes 2012-10-18 17:07:21 -05:00
vm_fault.h Hexagon: Copyright marking changes 2012-10-18 17:07:21 -05:00
vm_mmu.h hexagon: Fix misspellings in comments. 2016-04-18 12:45:54 +02:00