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authorChristoph Hellwig <hch@lst.de>2020-09-25 06:19:19 +0200
committerChristoph Hellwig <hch@lst.de>2020-09-25 06:19:19 +0200
commit8c1c6c7588b2faf9dd45fb3cfb7497fd09bbfe7c (patch)
tree50a7ddcfd7e7b1a7e4fb656bb88a036dbcff4bd6 /arch/sh
parent38225f2ef2f4263fc65acae63fdd4e8489c9ffcf (diff)
parent171d4ff79f965c1f164705ef0aaea102a6ad238b (diff)
Merge branch 'master' of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into dma-mapping-for-next
Pull in the latest 5.9 tree for the commit to revert the V4L2_FLAG_MEMORY_NON_CONSISTENT uapi addition.
Diffstat (limited to 'arch/sh')
-rw-r--r--arch/sh/include/asm/smp.h1
-rw-r--r--arch/sh/kernel/entry-common.S1
-rw-r--r--arch/sh/kernel/ptrace_32.c15
3 files changed, 5 insertions, 12 deletions
diff --git a/arch/sh/include/asm/smp.h b/arch/sh/include/asm/smp.h
index 1a0d7cf71c10..100bf241340b 100644
--- a/arch/sh/include/asm/smp.h
+++ b/arch/sh/include/asm/smp.h
@@ -8,7 +8,6 @@
#ifdef CONFIG_SMP
-#include <linux/spinlock.h>
#include <linux/atomic.h>
#include <asm/current.h>
#include <asm/percpu.h>
diff --git a/arch/sh/kernel/entry-common.S b/arch/sh/kernel/entry-common.S
index ad963104d22d..91ab2607a1ff 100644
--- a/arch/sh/kernel/entry-common.S
+++ b/arch/sh/kernel/entry-common.S
@@ -370,7 +370,6 @@ syscall_trace_entry:
nop
cmp/eq #-1, r0
bt syscall_exit
- mov.l r0, @(OFF_R0,r15) ! Save return value
! Reload R0-R4 from kernel stack, where the
! parent may have modified them using
! ptrace(POKEUSR). (Note that R0-R2 are
diff --git a/arch/sh/kernel/ptrace_32.c b/arch/sh/kernel/ptrace_32.c
index b05bf92f9c32..5281685f6ad1 100644
--- a/arch/sh/kernel/ptrace_32.c
+++ b/arch/sh/kernel/ptrace_32.c
@@ -455,16 +455,11 @@ long arch_ptrace(struct task_struct *child, long request,
asmlinkage long do_syscall_trace_enter(struct pt_regs *regs)
{
- long ret = 0;
-
if (test_thread_flag(TIF_SYSCALL_TRACE) &&
- tracehook_report_syscall_entry(regs))
- /*
- * Tracing decided this syscall should not happen.
- * We'll return a bogus call number to get an ENOSYS
- * error, but leave the original number in regs->regs[0].
- */
- ret = -1L;
+ tracehook_report_syscall_entry(regs)) {
+ regs->regs[0] = -ENOSYS;
+ return -1;
+ }
if (secure_computing() == -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],
regs->regs[6], regs->regs[7]);
- return ret ?: regs->regs[0];
+ return 0;
}
asmlinkage void do_syscall_trace_leave(struct pt_regs *regs)