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authorLinus Torvalds <torvalds@linux-foundation.org>2023-02-21 15:17:34 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2023-02-21 15:17:34 -0800
commiteb6d5bbea2fbfaade9e29bf5ce4abe3a8384678f (patch)
treee77cab319e261dac7d074cdee8494b1464f1de7f /arch/m68k
parentbcf5470eb4a13e5670fefb21525b43ef385c6fc6 (diff)
parent1e5b5df65af99013b4d31607ddb3ca5731dbe44d (diff)
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Merge tag 'm68k-for-v6.3-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k
Pull m68k updates from Geert Uytterhoeven: - Add seccomp support - defconfig updates - Miscellaneous fixes and improvements * tag 'm68k-for-v6.3-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k: m68k: /proc/hardware should depend on PROC_FS selftests/seccomp: Add m68k support m68k: Add kernel seccomp support m68k: Check syscall_trace_enter() return code m68k: defconfig: Update defconfigs for v6.2-rc3 m68k: q40: Do not initialise statics to 0
Diffstat (limited to 'arch/m68k')
-rw-r--r--arch/m68k/68000/entry.S2
-rw-r--r--arch/m68k/Kconfig2
-rw-r--r--arch/m68k/Kconfig.devices1
-rw-r--r--arch/m68k/coldfire/entry.S2
-rw-r--r--arch/m68k/configs/amiga_defconfig3
-rw-r--r--arch/m68k/configs/apollo_defconfig3
-rw-r--r--arch/m68k/configs/atari_defconfig3
-rw-r--r--arch/m68k/configs/bvme6000_defconfig3
-rw-r--r--arch/m68k/configs/hp300_defconfig3
-rw-r--r--arch/m68k/configs/mac_defconfig3
-rw-r--r--arch/m68k/configs/multi_defconfig4
-rw-r--r--arch/m68k/configs/mvme147_defconfig3
-rw-r--r--arch/m68k/configs/mvme16x_defconfig3
-rw-r--r--arch/m68k/configs/q40_defconfig3
-rw-r--r--arch/m68k/configs/sun3_defconfig3
-rw-r--r--arch/m68k/configs/sun3x_defconfig3
-rw-r--r--arch/m68k/include/asm/seccomp.h11
-rw-r--r--arch/m68k/include/asm/syscall.h57
-rw-r--r--arch/m68k/include/asm/thread_info.h2
-rw-r--r--arch/m68k/kernel/entry.S6
-rw-r--r--arch/m68k/kernel/ptrace.c6
-rw-r--r--arch/m68k/q40/q40ints.c4
22 files changed, 91 insertions, 39 deletions
diff --git a/arch/m68k/68000/entry.S b/arch/m68k/68000/entry.S
index 997b54933015..7d63e2f1555a 100644
--- a/arch/m68k/68000/entry.S
+++ b/arch/m68k/68000/entry.S
@@ -45,6 +45,8 @@ do_trace:
jbsr syscall_trace_enter
RESTORE_SWITCH_STACK
addql #4,%sp
+ addql #1,%d0
+ jeq ret_from_exception
movel %sp@(PT_OFF_ORIG_D0),%d1
movel #-ENOSYS,%d0
cmpl #NR_syscalls,%d1
diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig
index 7bff88118507..82154952e574 100644
--- a/arch/m68k/Kconfig
+++ b/arch/m68k/Kconfig
@@ -18,6 +18,8 @@ config M68K
select GENERIC_CPU_DEVICES
select GENERIC_IOMAP
select GENERIC_IRQ_SHOW
+ select HAVE_ARCH_SECCOMP
+ select HAVE_ARCH_SECCOMP_FILTER
select HAVE_ASM_MODVERSIONS
select HAVE_DEBUG_BUGVERBOSE
select HAVE_EFFICIENT_UNALIGNED_ACCESS if !CPU_HAS_NO_UNALIGNED
diff --git a/arch/m68k/Kconfig.devices b/arch/m68k/Kconfig.devices
index 6a87b4a5fcac..e6e3efac1840 100644
--- a/arch/m68k/Kconfig.devices
+++ b/arch/m68k/Kconfig.devices
@@ -19,6 +19,7 @@ config HEARTBEAT
# We have a dedicated heartbeat LED. :-)
config PROC_HARDWARE
bool "/proc/hardware support"
+ depends on PROC_FS
help
Say Y here to support the /proc/hardware file, which gives you
access to information about the machine you're running on,
diff --git a/arch/m68k/coldfire/entry.S b/arch/m68k/coldfire/entry.S
index 9f337c70243a..35104c5417ff 100644
--- a/arch/m68k/coldfire/entry.S
+++ b/arch/m68k/coldfire/entry.S
@@ -90,6 +90,8 @@ ENTRY(system_call)
jbsr syscall_trace_enter
RESTORE_SWITCH_STACK
addql #4,%sp
+ addql #1,%d0
+ jeq ret_from_exception
movel %d3,%a0
jbsr %a0@
movel %d0,%sp@(PT_OFF_D0) /* save the return value */
diff --git a/arch/m68k/configs/amiga_defconfig b/arch/m68k/configs/amiga_defconfig
index 7b49fe6f7cb3..ec2d792015a4 100644
--- a/arch/m68k/configs/amiga_defconfig
+++ b/arch/m68k/configs/amiga_defconfig
@@ -108,7 +108,6 @@ CONFIG_NFT_MASQ=m
CONFIG_NFT_REDIR=m
CONFIG_NFT_NAT=m
CONFIG_NFT_TUNNEL=m
-CONFIG_NFT_OBJREF=m
CONFIG_NFT_QUEUE=m
CONFIG_NFT_QUOTA=m
CONFIG_NFT_REJECT=m
@@ -630,7 +629,6 @@ CONFIG_ASYNC_RAID6_TEST=m
CONFIG_TEST_HEXDUMP=m
CONFIG_STRING_SELFTEST=m
CONFIG_TEST_STRING_HELPERS=m
-CONFIG_TEST_STRSCPY=m
CONFIG_TEST_KSTRTOX=m
CONFIG_TEST_PRINTF=m
CONFIG_TEST_SCANF=m
@@ -638,7 +636,6 @@ CONFIG_TEST_BITMAP=m
CONFIG_TEST_UUID=m
CONFIG_TEST_XARRAY=m
CONFIG_TEST_RHASHTABLE=m
-CONFIG_TEST_SIPHASH=m
CONFIG_TEST_IDA=m
CONFIG_TEST_BITOPS=m
CONFIG_TEST_VMALLOC=m
diff --git a/arch/m68k/configs/apollo_defconfig b/arch/m68k/configs/apollo_defconfig
index 656a06d97d4c..061a07824dc2 100644
--- a/arch/m68k/configs/apollo_defconfig
+++ b/arch/m68k/configs/apollo_defconfig
@@ -104,7 +104,6 @@ CONFIG_NFT_MASQ=m
CONFIG_NFT_REDIR=m
CONFIG_NFT_NAT=m
CONFIG_NFT_TUNNEL=m
-CONFIG_NFT_OBJREF=m
CONFIG_NFT_QUEUE=m
CONFIG_NFT_QUOTA=m
CONFIG_NFT_REJECT=m
@@ -586,7 +585,6 @@ CONFIG_ASYNC_RAID6_TEST=m
CONFIG_TEST_HEXDUMP=m
CONFIG_STRING_SELFTEST=m
CONFIG_TEST_STRING_HELPERS=m
-CONFIG_TEST_STRSCPY=m
CONFIG_TEST_KSTRTOX=m
CONFIG_TEST_PRINTF=m
CONFIG_TEST_SCANF=m
@@ -594,7 +592,6 @@ CONFIG_TEST_BITMAP=m
CONFIG_TEST_UUID=m
CONFIG_TEST_XARRAY=m
CONFIG_TEST_RHASHTABLE=m
-CONFIG_TEST_SIPHASH=m
CONFIG_TEST_IDA=m
CONFIG_TEST_BITOPS=m
CONFIG_TEST_VMALLOC=m
diff --git a/arch/m68k/configs/atari_defconfig b/arch/m68k/configs/atari_defconfig
index 8972b822875d..02af5f501dae 100644
--- a/arch/m68k/configs/atari_defconfig
+++ b/arch/m68k/configs/atari_defconfig
@@ -111,7 +111,6 @@ CONFIG_NFT_MASQ=m
CONFIG_NFT_REDIR=m
CONFIG_NFT_NAT=m
CONFIG_NFT_TUNNEL=m
-CONFIG_NFT_OBJREF=m
CONFIG_NFT_QUEUE=m
CONFIG_NFT_QUOTA=m
CONFIG_NFT_REJECT=m
@@ -607,7 +606,6 @@ CONFIG_ASYNC_RAID6_TEST=m
CONFIG_TEST_HEXDUMP=m
CONFIG_STRING_SELFTEST=m
CONFIG_TEST_STRING_HELPERS=m
-CONFIG_TEST_STRSCPY=m
CONFIG_TEST_KSTRTOX=m
CONFIG_TEST_PRINTF=m
CONFIG_TEST_SCANF=m
@@ -615,7 +613,6 @@ CONFIG_TEST_BITMAP=m
CONFIG_TEST_UUID=m
CONFIG_TEST_XARRAY=m
CONFIG_TEST_RHASHTABLE=m
-CONFIG_TEST_SIPHASH=m
CONFIG_TEST_IDA=m
CONFIG_TEST_BITOPS=m
CONFIG_TEST_VMALLOC=m
diff --git a/arch/m68k/configs/bvme6000_defconfig b/arch/m68k/configs/bvme6000_defconfig
index 7b86e1277a1a..0d5832cb3e10 100644
--- a/arch/m68k/configs/bvme6000_defconfig
+++ b/arch/m68k/configs/bvme6000_defconfig
@@ -101,7 +101,6 @@ CONFIG_NFT_MASQ=m
CONFIG_NFT_REDIR=m
CONFIG_NFT_NAT=m
CONFIG_NFT_TUNNEL=m
-CONFIG_NFT_OBJREF=m
CONFIG_NFT_QUEUE=m
CONFIG_NFT_QUOTA=m
CONFIG_NFT_REJECT=m
@@ -578,7 +577,6 @@ CONFIG_ASYNC_RAID6_TEST=m
CONFIG_TEST_HEXDUMP=m
CONFIG_STRING_SELFTEST=m
CONFIG_TEST_STRING_HELPERS=m
-CONFIG_TEST_STRSCPY=m
CONFIG_TEST_KSTRTOX=m
CONFIG_TEST_PRINTF=m
CONFIG_TEST_SCANF=m
@@ -586,7 +584,6 @@ CONFIG_TEST_BITMAP=m
CONFIG_TEST_UUID=m
CONFIG_TEST_XARRAY=m
CONFIG_TEST_RHASHTABLE=m
-CONFIG_TEST_SIPHASH=m
CONFIG_TEST_IDA=m
CONFIG_TEST_BITOPS=m
CONFIG_TEST_VMALLOC=m
diff --git a/arch/m68k/configs/hp300_defconfig b/arch/m68k/configs/hp300_defconfig
index d0d5c0a9aee6..c246c3538839 100644
--- a/arch/m68k/configs/hp300_defconfig
+++ b/arch/m68k/configs/hp300_defconfig
@@ -103,7 +103,6 @@ CONFIG_NFT_MASQ=m
CONFIG_NFT_REDIR=m
CONFIG_NFT_NAT=m
CONFIG_NFT_TUNNEL=m
-CONFIG_NFT_OBJREF=m
CONFIG_NFT_QUEUE=m
CONFIG_NFT_QUOTA=m
CONFIG_NFT_REJECT=m
@@ -588,7 +587,6 @@ CONFIG_ASYNC_RAID6_TEST=m
CONFIG_TEST_HEXDUMP=m
CONFIG_STRING_SELFTEST=m
CONFIG_TEST_STRING_HELPERS=m
-CONFIG_TEST_STRSCPY=m
CONFIG_TEST_KSTRTOX=m
CONFIG_TEST_PRINTF=m
CONFIG_TEST_SCANF=m
@@ -596,7 +594,6 @@ CONFIG_TEST_BITMAP=m
CONFIG_TEST_UUID=m
CONFIG_TEST_XARRAY=m
CONFIG_TEST_RHASHTABLE=m
-CONFIG_TEST_SIPHASH=m
CONFIG_TEST_IDA=m
CONFIG_TEST_BITOPS=m
CONFIG_TEST_VMALLOC=m
diff --git a/arch/m68k/configs/mac_defconfig b/arch/m68k/configs/mac_defconfig
index ac1d0c86b6ff..98d2d0599e5a 100644
--- a/arch/m68k/configs/mac_defconfig
+++ b/arch/m68k/configs/mac_defconfig
@@ -102,7 +102,6 @@ CONFIG_NFT_MASQ=m
CONFIG_NFT_REDIR=m
CONFIG_NFT_NAT=m
CONFIG_NFT_TUNNEL=m
-CONFIG_NFT_OBJREF=m
CONFIG_NFT_QUEUE=m
CONFIG_NFT_QUOTA=m
CONFIG_NFT_REJECT=m
@@ -609,7 +608,6 @@ CONFIG_ASYNC_RAID6_TEST=m
CONFIG_TEST_HEXDUMP=m
CONFIG_STRING_SELFTEST=m
CONFIG_TEST_STRING_HELPERS=m
-CONFIG_TEST_STRSCPY=m
CONFIG_TEST_KSTRTOX=m
CONFIG_TEST_PRINTF=m
CONFIG_TEST_SCANF=m
@@ -617,7 +615,6 @@ CONFIG_TEST_BITMAP=m
CONFIG_TEST_UUID=m
CONFIG_TEST_XARRAY=m
CONFIG_TEST_RHASHTABLE=m
-CONFIG_TEST_SIPHASH=m
CONFIG_TEST_IDA=m
CONFIG_TEST_BITOPS=m
CONFIG_TEST_VMALLOC=m
diff --git a/arch/m68k/configs/multi_defconfig b/arch/m68k/configs/multi_defconfig
index c5f7603c9830..b2d5ec6ba625 100644
--- a/arch/m68k/configs/multi_defconfig
+++ b/arch/m68k/configs/multi_defconfig
@@ -122,7 +122,6 @@ CONFIG_NFT_MASQ=m
CONFIG_NFT_REDIR=m
CONFIG_NFT_NAT=m
CONFIG_NFT_TUNNEL=m
-CONFIG_NFT_OBJREF=m
CONFIG_NFT_QUEUE=m
CONFIG_NFT_QUOTA=m
CONFIG_NFT_REJECT=m
@@ -315,6 +314,7 @@ CONFIG_AF_KCM=m
# CONFIG_WIRELESS is not set
CONFIG_PSAMPLE=m
CONFIG_NET_IFE=m
+CONFIG_PCCARD=y
CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y
CONFIG_TEST_ASYNC_DRIVER_PROBE=m
@@ -695,7 +695,6 @@ CONFIG_ASYNC_RAID6_TEST=m
CONFIG_TEST_HEXDUMP=m
CONFIG_STRING_SELFTEST=m
CONFIG_TEST_STRING_HELPERS=m
-CONFIG_TEST_STRSCPY=m
CONFIG_TEST_KSTRTOX=m
CONFIG_TEST_PRINTF=m
CONFIG_TEST_SCANF=m
@@ -703,7 +702,6 @@ CONFIG_TEST_BITMAP=m
CONFIG_TEST_UUID=m
CONFIG_TEST_XARRAY=m
CONFIG_TEST_RHASHTABLE=m
-CONFIG_TEST_SIPHASH=m
CONFIG_TEST_IDA=m
CONFIG_TEST_BITOPS=m
CONFIG_TEST_VMALLOC=m
diff --git a/arch/m68k/configs/mvme147_defconfig b/arch/m68k/configs/mvme147_defconfig
index 26f5b59e3bc0..d3420c642992 100644
--- a/arch/m68k/configs/mvme147_defconfig
+++ b/arch/m68k/configs/mvme147_defconfig
@@ -100,7 +100,6 @@ CONFIG_NFT_MASQ=m
CONFIG_NFT_REDIR=m
CONFIG_NFT_NAT=m
CONFIG_NFT_TUNNEL=m
-CONFIG_NFT_OBJREF=m
CONFIG_NFT_QUEUE=m
CONFIG_NFT_QUOTA=m
CONFIG_NFT_REJECT=m
@@ -577,7 +576,6 @@ CONFIG_ASYNC_RAID6_TEST=m
CONFIG_TEST_HEXDUMP=m
CONFIG_STRING_SELFTEST=m
CONFIG_TEST_STRING_HELPERS=m
-CONFIG_TEST_STRSCPY=m
CONFIG_TEST_KSTRTOX=m
CONFIG_TEST_PRINTF=m
CONFIG_TEST_SCANF=m
@@ -585,7 +583,6 @@ CONFIG_TEST_BITMAP=m
CONFIG_TEST_UUID=m
CONFIG_TEST_XARRAY=m
CONFIG_TEST_RHASHTABLE=m
-CONFIG_TEST_SIPHASH=m
CONFIG_TEST_IDA=m
CONFIG_TEST_BITOPS=m
CONFIG_TEST_VMALLOC=m
diff --git a/arch/m68k/configs/mvme16x_defconfig b/arch/m68k/configs/mvme16x_defconfig
index 3045c7f0bde3..e294b0b67695 100644
--- a/arch/m68k/configs/mvme16x_defconfig
+++ b/arch/m68k/configs/mvme16x_defconfig
@@ -101,7 +101,6 @@ CONFIG_NFT_MASQ=m
CONFIG_NFT_REDIR=m
CONFIG_NFT_NAT=m
CONFIG_NFT_TUNNEL=m
-CONFIG_NFT_OBJREF=m
CONFIG_NFT_QUEUE=m
CONFIG_NFT_QUOTA=m
CONFIG_NFT_REJECT=m
@@ -578,7 +577,6 @@ CONFIG_ASYNC_RAID6_TEST=m
CONFIG_TEST_HEXDUMP=m
CONFIG_STRING_SELFTEST=m
CONFIG_TEST_STRING_HELPERS=m
-CONFIG_TEST_STRSCPY=m
CONFIG_TEST_KSTRTOX=m
CONFIG_TEST_PRINTF=m
CONFIG_TEST_SCANF=m
@@ -586,7 +584,6 @@ CONFIG_TEST_BITMAP=m
CONFIG_TEST_UUID=m
CONFIG_TEST_XARRAY=m
CONFIG_TEST_RHASHTABLE=m
-CONFIG_TEST_SIPHASH=m
CONFIG_TEST_IDA=m
CONFIG_TEST_BITOPS=m
CONFIG_TEST_VMALLOC=m
diff --git a/arch/m68k/configs/q40_defconfig b/arch/m68k/configs/q40_defconfig
index f2a486be651b..764a94b08936 100644
--- a/arch/m68k/configs/q40_defconfig
+++ b/arch/m68k/configs/q40_defconfig
@@ -102,7 +102,6 @@ CONFIG_NFT_MASQ=m
CONFIG_NFT_REDIR=m
CONFIG_NFT_NAT=m
CONFIG_NFT_TUNNEL=m
-CONFIG_NFT_OBJREF=m
CONFIG_NFT_QUEUE=m
CONFIG_NFT_QUOTA=m
CONFIG_NFT_REJECT=m
@@ -596,7 +595,6 @@ CONFIG_ASYNC_RAID6_TEST=m
CONFIG_TEST_HEXDUMP=m
CONFIG_STRING_SELFTEST=m
CONFIG_TEST_STRING_HELPERS=m
-CONFIG_TEST_STRSCPY=m
CONFIG_TEST_KSTRTOX=m
CONFIG_TEST_PRINTF=m
CONFIG_TEST_SCANF=m
@@ -604,7 +602,6 @@ CONFIG_TEST_BITMAP=m
CONFIG_TEST_UUID=m
CONFIG_TEST_XARRAY=m
CONFIG_TEST_RHASHTABLE=m
-CONFIG_TEST_SIPHASH=m
CONFIG_TEST_IDA=m
CONFIG_TEST_BITOPS=m
CONFIG_TEST_VMALLOC=m
diff --git a/arch/m68k/configs/sun3_defconfig b/arch/m68k/configs/sun3_defconfig
index 8a7db7be10c0..d4eeddac6bb8 100644
--- a/arch/m68k/configs/sun3_defconfig
+++ b/arch/m68k/configs/sun3_defconfig
@@ -98,7 +98,6 @@ CONFIG_NFT_MASQ=m
CONFIG_NFT_REDIR=m
CONFIG_NFT_NAT=m
CONFIG_NFT_TUNNEL=m
-CONFIG_NFT_OBJREF=m
CONFIG_NFT_QUEUE=m
CONFIG_NFT_QUOTA=m
CONFIG_NFT_REJECT=m
@@ -576,7 +575,6 @@ CONFIG_ASYNC_RAID6_TEST=m
CONFIG_TEST_HEXDUMP=m
CONFIG_STRING_SELFTEST=m
CONFIG_TEST_STRING_HELPERS=m
-CONFIG_TEST_STRSCPY=m
CONFIG_TEST_KSTRTOX=m
CONFIG_TEST_PRINTF=m
CONFIG_TEST_SCANF=m
@@ -584,7 +582,6 @@ CONFIG_TEST_BITMAP=m
CONFIG_TEST_UUID=m
CONFIG_TEST_XARRAY=m
CONFIG_TEST_RHASHTABLE=m
-CONFIG_TEST_SIPHASH=m
CONFIG_TEST_IDA=m
CONFIG_TEST_BITOPS=m
CONFIG_TEST_VMALLOC=m
diff --git a/arch/m68k/configs/sun3x_defconfig b/arch/m68k/configs/sun3x_defconfig
index 7ed49ee0b9e0..ca359b880683 100644
--- a/arch/m68k/configs/sun3x_defconfig
+++ b/arch/m68k/configs/sun3x_defconfig
@@ -98,7 +98,6 @@ CONFIG_NFT_MASQ=m
CONFIG_NFT_REDIR=m
CONFIG_NFT_NAT=m
CONFIG_NFT_TUNNEL=m
-CONFIG_NFT_OBJREF=m
CONFIG_NFT_QUEUE=m
CONFIG_NFT_QUOTA=m
CONFIG_NFT_REJECT=m
@@ -576,7 +575,6 @@ CONFIG_ASYNC_RAID6_TEST=m
CONFIG_TEST_HEXDUMP=m
CONFIG_STRING_SELFTEST=m
CONFIG_TEST_STRING_HELPERS=m
-CONFIG_TEST_STRSCPY=m
CONFIG_TEST_KSTRTOX=m
CONFIG_TEST_PRINTF=m
CONFIG_TEST_SCANF=m
@@ -584,7 +582,6 @@ CONFIG_TEST_BITMAP=m
CONFIG_TEST_UUID=m
CONFIG_TEST_XARRAY=m
CONFIG_TEST_RHASHTABLE=m
-CONFIG_TEST_SIPHASH=m
CONFIG_TEST_IDA=m
CONFIG_TEST_BITOPS=m
CONFIG_TEST_VMALLOC=m
diff --git a/arch/m68k/include/asm/seccomp.h b/arch/m68k/include/asm/seccomp.h
new file mode 100644
index 000000000000..de8a94e1fb3f
--- /dev/null
+++ b/arch/m68k/include/asm/seccomp.h
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef _ASM_SECCOMP_H
+#define _ASM_SECCOMP_H
+
+#include <asm-generic/seccomp.h>
+
+#define SECCOMP_ARCH_NATIVE AUDIT_ARCH_M68K
+#define SECCOMP_ARCH_NATIVE_NR NR_syscalls
+#define SECCOMP_ARCH_NATIVE_NAME "m68k"
+
+#endif /* _ASM_SECCOMP_H */
diff --git a/arch/m68k/include/asm/syscall.h b/arch/m68k/include/asm/syscall.h
index 465ac039be09..d1453e850cdd 100644
--- a/arch/m68k/include/asm/syscall.h
+++ b/arch/m68k/include/asm/syscall.h
@@ -4,6 +4,63 @@
#include <uapi/linux/audit.h>
+#include <asm/unistd.h>
+
+extern const unsigned long sys_call_table[];
+
+static inline int syscall_get_nr(struct task_struct *task,
+ struct pt_regs *regs)
+{
+ return regs->orig_d0;
+}
+
+static inline void syscall_rollback(struct task_struct *task,
+ struct pt_regs *regs)
+{
+ regs->d0 = regs->orig_d0;
+}
+
+static inline long syscall_get_error(struct task_struct *task,
+ struct pt_regs *regs)
+{
+ unsigned long error = regs->d0;
+
+ return IS_ERR_VALUE(error) ? error : 0;
+}
+
+static inline long syscall_get_return_value(struct task_struct *task,
+ struct pt_regs *regs)
+{
+ return regs->d0;
+}
+
+static inline void syscall_set_return_value(struct task_struct *task,
+ struct pt_regs *regs,
+ int error, long val)
+{
+ regs->d0 = (long)error ?: val;
+}
+
+static inline void syscall_get_arguments(struct task_struct *task,
+ struct pt_regs *regs,
+ unsigned long *args)
+{
+ args[0] = regs->orig_d0;
+ args++;
+
+ memcpy(args, &regs->d1, 5 * sizeof(args[0]));
+}
+
+static inline void syscall_set_arguments(struct task_struct *task,
+ struct pt_regs *regs,
+ unsigned long *args)
+{
+ regs->orig_d0 = args[0];
+ args++;
+
+ memcpy(&regs->d1, args, 5 * sizeof(args[0]));
+}
+
static inline int syscall_get_arch(struct task_struct *task)
{
return AUDIT_ARCH_M68K;
diff --git a/arch/m68k/include/asm/thread_info.h b/arch/m68k/include/asm/thread_info.h
index c952658ba792..31be2ad999ca 100644
--- a/arch/m68k/include/asm/thread_info.h
+++ b/arch/m68k/include/asm/thread_info.h
@@ -61,6 +61,7 @@ static inline struct thread_info *current_thread_info(void)
#define TIF_NOTIFY_RESUME 5 /* callback before returning to user */
#define TIF_SIGPENDING 6 /* signal pending */
#define TIF_NEED_RESCHED 7 /* rescheduling necessary */
+#define TIF_SECCOMP 13 /* seccomp syscall filtering active */
#define TIF_DELAYED_TRACE 14 /* single step a syscall */
#define TIF_SYSCALL_TRACE 15 /* syscall trace active */
#define TIF_MEMDIE 16 /* is terminating due to OOM killer */
@@ -69,6 +70,7 @@ static inline struct thread_info *current_thread_info(void)
#define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME)
#define _TIF_SIGPENDING (1 << TIF_SIGPENDING)
#define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED)
+#define _TIF_SECCOMP (1 << TIF_SECCOMP)
#define _TIF_DELAYED_TRACE (1 << TIF_DELAYED_TRACE)
#define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE)
#define _TIF_MEMDIE (1 << TIF_MEMDIE)
diff --git a/arch/m68k/kernel/entry.S b/arch/m68k/kernel/entry.S
index 18f278bdbd21..4dd2fd7acba9 100644
--- a/arch/m68k/kernel/entry.S
+++ b/arch/m68k/kernel/entry.S
@@ -184,9 +184,12 @@ do_trace_entry:
jbsr syscall_trace_enter
RESTORE_SWITCH_STACK
addql #4,%sp
+ addql #1,%d0 | optimization for cmpil #-1,%d0
+ jeq ret_from_syscall
movel %sp@(PT_OFF_ORIG_D0),%d0
cmpl #NR_syscalls,%d0
jcs syscall
+ jra ret_from_syscall
badsys:
movel #-ENOSYS,%sp@(PT_OFF_D0)
jra ret_from_syscall
@@ -211,6 +214,9 @@ ENTRY(system_call)
| syscall trace?
tstb %a1@(TINFO_FLAGS+2)
jmi do_trace_entry
+ | seccomp filter active?
+ btst #5,%a1@(TINFO_FLAGS+2)
+ bnes do_trace_entry
cmpl #NR_syscalls,%d0
jcc badsys
syscall:
diff --git a/arch/m68k/kernel/ptrace.c b/arch/m68k/kernel/ptrace.c
index 0a4184a37461..cd0172d29430 100644
--- a/arch/m68k/kernel/ptrace.c
+++ b/arch/m68k/kernel/ptrace.c
@@ -21,7 +21,7 @@
#include <linux/signal.h>
#include <linux/regset.h>
#include <linux/elf.h>
-
+#include <linux/seccomp.h>
#include <linux/uaccess.h>
#include <asm/page.h>
#include <asm/processor.h>
@@ -278,6 +278,10 @@ asmlinkage int syscall_trace_enter(void)
if (test_thread_flag(TIF_SYSCALL_TRACE))
ret = ptrace_report_syscall_entry(task_pt_regs(current));
+
+ if (secure_computing() == -1)
+ return -1;
+
return ret;
}
diff --git a/arch/m68k/q40/q40ints.c b/arch/m68k/q40/q40ints.c
index d15057d34e56..127d7ecdbd49 100644
--- a/arch/m68k/q40/q40ints.c
+++ b/arch/m68k/q40/q40ints.c
@@ -201,8 +201,8 @@ static int ccleirq=60; /* ISA dev IRQs*/
#define DEBUG_Q40INT
/*#define IP_USE_DISABLE *//* would be nice, but crashes ???? */
-static int mext_disabled=0; /* ext irq disabled by master chip? */
-static int aliased_irq=0; /* how many times inside handler ?*/
+static int mext_disabled; /* ext irq disabled by master chip? */
+static int aliased_irq; /* how many times inside handler ?*/
/* got interrupt, dispatch to ISA or keyboard/timer IRQs */