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platform_kernel-5.15
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Fixes for build and function regression. 

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Merge tag 'sh-for-5.9-part2' of git://git.libc.org/linux-sh

Pull arch/sh fixes from Rich Felker:
 "Fixes for build and function regression"

* tag 'sh-for-5.9-part2' of git://git.libc.org/linux-sh:
  sh: fix syscall tracing
  sh: remove spurious circular inclusion from asm/smp.h
This commit is contained in:
Linus Torvalds 2020-09-18 11:59:15 -07:00
parent 69828c475d b0cfc315ff
commit 92ab97adee
3 changed files with 5 additions and 12 deletions
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1
arch/sh/include/asm/smp.h
View File

@ -8,7 +8,6 @@
#ifdef CONFIG_SMP #ifdef CONFIG_SMP
#include <linux/spinlock.h>
#include <linux/atomic.h> #include <linux/atomic.h>
#include <asm/current.h> #include <asm/current.h>
#include <asm/percpu.h> #include <asm/percpu.h>

1
arch/sh/kernel/entry-common.S
View File

@ -370,7 +370,6 @@ syscall_trace_entry:
nop nop
cmp/eq #-1, r0 cmp/eq #-1, r0
bt syscall_exit bt syscall_exit
mov.l r0, @(OFF_R0,r15) ! Save return value
! Reload R0-R4 from kernel stack, where the ! Reload R0-R4 from kernel stack, where the
! parent may have modified them using ! parent may have modified them using
! ptrace(POKEUSR). (Note that R0-R2 are ! ptrace(POKEUSR). (Note that R0-R2 are

15
arch/sh/kernel/ptrace_32.c
View File

@ -455,16 +455,11 @@ long arch_ptrace(struct task_struct *child, long request,
asmlinkage long do_syscall_trace_enter(struct pt_regs *regs) asmlinkage long do_syscall_trace_enter(struct pt_regs *regs)
{ {
long ret = 0;
if (test_thread_flag(TIF_SYSCALL_TRACE) && if (test_thread_flag(TIF_SYSCALL_TRACE) &&
tracehook_report_syscall_entry(regs)) tracehook_report_syscall_entry(regs)) {
/* regs->regs[0] = -ENOSYS;
* Tracing decided this syscall should not happen. return -1;
* We'll return a bogus call number to get an ENOSYS }
* error, but leave the original number in regs->regs[0].
*/
ret = -1L;
if (secure_computing() == -1) if (secure_computing() == -1)
return -1; return -1;
@ -475,7 +470,7 @@ asmlinkage long do_syscall_trace_enter(struct pt_regs *regs)
audit_syscall_entry(regs->regs[3], regs->regs[4], regs->regs[5], audit_syscall_entry(regs->regs[3], regs->regs[4], regs->regs[5],
regs->regs[6], regs->regs[7]); regs->regs[6], regs->regs[7]);
return ret ?: regs->regs[0]; return 0;
} }
asmlinkage void do_syscall_trace_leave(struct pt_regs *regs) asmlinkage void do_syscall_trace_leave(struct pt_regs *regs)