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-rw-r--r--samples/Kconfig3
-rw-r--r--samples/Makefile1
-rw-r--r--samples/bpf/.gitignore4
-rw-r--r--samples/bpf/Makefile64
-rw-r--r--samples/bpf/bpf_insn.h2
-rw-r--r--samples/bpf/xdp1_user.c2
-rw-r--r--samples/bpf/xdp_redirect_cpu_user.c6
-rw-r--r--samples/bpf/xdp_redirect_map_multi.bpf.c5
-rw-r--r--samples/bpf/xdp_router_ipv4_user.c39
-rw-r--r--samples/bpf/xdp_sample_pkts_user.c2
-rw-r--r--samples/ftrace/Makefile1
-rw-r--r--samples/ftrace/ftrace-direct-multi.c54
-rw-r--r--samples/kfifo/bytestream-example.c12
-rw-r--r--samples/kfifo/inttype-example.c12
-rw-r--r--samples/kfifo/record-example.c12
-rw-r--r--samples/kprobes/kretprobe_example.c2
-rw-r--r--samples/nitro_enclaves/ne_ioctl_sample.c7
-rw-r--r--samples/seccomp/bpf-helper.h8
-rw-r--r--samples/vfio-mdev/mbochs.c3
-rw-r--r--samples/vfio-mdev/mdpy.c2
-rw-r--r--samples/vfio-mdev/mtty.c2
21 files changed, 168 insertions, 75 deletions
diff --git a/samples/Kconfig b/samples/Kconfig
index 501f66309118..5518a3e62292 100644
--- a/samples/Kconfig
+++ b/samples/Kconfig
@@ -227,3 +227,6 @@ endif # SAMPLES
config HAVE_SAMPLE_FTRACE_DIRECT
bool
+
+config HAVE_SAMPLE_FTRACE_MULTI_DIRECT
+ bool
diff --git a/samples/Makefile b/samples/Makefile
index 087e0988ccc5..f06e59950193 100644
--- a/samples/Makefile
+++ b/samples/Makefile
@@ -21,6 +21,7 @@ subdir-$(CONFIG_SAMPLE_TIMER) += timers
obj-$(CONFIG_SAMPLE_TRACE_EVENTS) += trace_events/
obj-$(CONFIG_SAMPLE_TRACE_PRINTK) += trace_printk/
obj-$(CONFIG_SAMPLE_FTRACE_DIRECT) += ftrace/
+obj-$(CONFIG_SAMPLE_FTRACE_MULTI_DIRECT) += ftrace/
obj-$(CONFIG_SAMPLE_TRACE_ARRAY) += ftrace/
subdir-$(CONFIG_SAMPLE_UHID) += uhid
obj-$(CONFIG_VIDEO_PCI_SKELETON) += v4l/
diff --git a/samples/bpf/.gitignore b/samples/bpf/.gitignore
index fcba217f0ae2..0e7bfdbff80a 100644
--- a/samples/bpf/.gitignore
+++ b/samples/bpf/.gitignore
@@ -57,3 +57,7 @@ testfile.img
hbm_out.log
iperf.*
*.out
+*.skel.h
+/vmlinux.h
+/bpftool/
+/libbpf/
diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile
index 4dc20be5fb96..a886dff1ba89 100644
--- a/samples/bpf/Makefile
+++ b/samples/bpf/Makefile
@@ -3,6 +3,8 @@
BPF_SAMPLES_PATH ?= $(abspath $(srctree)/$(src))
TOOLS_PATH := $(BPF_SAMPLES_PATH)/../../tools
+pound := \#
+
# List of programs to build
tprogs-y := test_lru_dist
tprogs-y += sock_example
@@ -59,7 +61,11 @@ tprogs-y += xdp_redirect
tprogs-y += xdp_monitor
# Libbpf dependencies
-LIBBPF = $(TOOLS_PATH)/lib/bpf/libbpf.a
+LIBBPF_SRC = $(TOOLS_PATH)/lib/bpf
+LIBBPF_OUTPUT = $(abspath $(BPF_SAMPLES_PATH))/libbpf
+LIBBPF_DESTDIR = $(LIBBPF_OUTPUT)
+LIBBPF_INCLUDE = $(LIBBPF_DESTDIR)/include
+LIBBPF = $(LIBBPF_OUTPUT)/libbpf.a
CGROUP_HELPERS := ../../tools/testing/selftests/bpf/cgroup_helpers.o
TRACE_HELPERS := ../../tools/testing/selftests/bpf/trace_helpers.o
@@ -198,7 +204,7 @@ TPROGS_CFLAGS += -Wstrict-prototypes
TPROGS_CFLAGS += -I$(objtree)/usr/include
TPROGS_CFLAGS += -I$(srctree)/tools/testing/selftests/bpf/
-TPROGS_CFLAGS += -I$(srctree)/tools/lib/
+TPROGS_CFLAGS += -I$(LIBBPF_INCLUDE)
TPROGS_CFLAGS += -I$(srctree)/tools/include
TPROGS_CFLAGS += -I$(srctree)/tools/perf
TPROGS_CFLAGS += -DHAVE_ATTR_TEST=0
@@ -223,6 +229,7 @@ CLANG ?= clang
OPT ?= opt
LLVM_DIS ?= llvm-dis
LLVM_OBJCOPY ?= llvm-objcopy
+LLVM_READELF ?= llvm-readelf
BTF_PAHOLE ?= pahole
# Detect that we're cross compiling and use the cross compiler
@@ -232,7 +239,7 @@ endif
# Don't evaluate probes and warnings if we need to run make recursively
ifneq ($(src),)
-HDR_PROBE := $(shell printf "\#include <linux/types.h>\n struct list_head { int a; }; int main() { return 0; }" | \
+HDR_PROBE := $(shell printf "$(pound)include <linux/types.h>\n struct list_head { int a; }; int main() { return 0; }" | \
$(CC) $(TPROGS_CFLAGS) $(TPROGS_LDFLAGS) -x c - \
-o /dev/null 2>/dev/null && echo okay)
@@ -246,7 +253,7 @@ BTF_PAHOLE_PROBE := $(shell $(BTF_PAHOLE) --help 2>&1 | grep BTF)
BTF_OBJCOPY_PROBE := $(shell $(LLVM_OBJCOPY) --help 2>&1 | grep -i 'usage.*llvm')
BTF_LLVM_PROBE := $(shell echo "int main() { return 0; }" | \
$(CLANG) -target bpf -O2 -g -c -x c - -o ./llvm_btf_verify.o; \
- readelf -S ./llvm_btf_verify.o | grep BTF; \
+ $(LLVM_READELF) -S ./llvm_btf_verify.o | grep BTF; \
/bin/rm -f ./llvm_btf_verify.o)
BPF_EXTRA_CFLAGS += -fno-stack-protector
@@ -268,16 +275,27 @@ all:
clean:
$(MAKE) -C ../../ M=$(CURDIR) clean
@find $(CURDIR) -type f -name '*~' -delete
+ @$(RM) -r $(CURDIR)/libbpf $(CURDIR)/bpftool
-$(LIBBPF): FORCE
+$(LIBBPF): $(wildcard $(LIBBPF_SRC)/*.[ch] $(LIBBPF_SRC)/Makefile) | $(LIBBPF_OUTPUT)
# Fix up variables inherited from Kbuild that tools/ build system won't like
- $(MAKE) -C $(dir $@) RM='rm -rf' EXTRA_CFLAGS="$(TPROGS_CFLAGS)" \
- LDFLAGS=$(TPROGS_LDFLAGS) srctree=$(BPF_SAMPLES_PATH)/../../ O=
+ $(MAKE) -C $(LIBBPF_SRC) RM='rm -rf' EXTRA_CFLAGS="$(TPROGS_CFLAGS)" \
+ LDFLAGS=$(TPROGS_LDFLAGS) srctree=$(BPF_SAMPLES_PATH)/../../ \
+ O= OUTPUT=$(LIBBPF_OUTPUT)/ DESTDIR=$(LIBBPF_DESTDIR) prefix= \
+ $@ install_headers
BPFTOOLDIR := $(TOOLS_PATH)/bpf/bpftool
-BPFTOOL := $(BPFTOOLDIR)/bpftool
-$(BPFTOOL): $(wildcard $(BPFTOOLDIR)/*.[ch] $(BPFTOOLDIR)/Makefile)
- $(MAKE) -C $(BPFTOOLDIR) srctree=$(BPF_SAMPLES_PATH)/../../
+BPFTOOL_OUTPUT := $(abspath $(BPF_SAMPLES_PATH))/bpftool
+BPFTOOL := $(BPFTOOL_OUTPUT)/bpftool
+$(BPFTOOL): $(LIBBPF) $(wildcard $(BPFTOOLDIR)/*.[ch] $(BPFTOOLDIR)/Makefile) | $(BPFTOOL_OUTPUT)
+ $(MAKE) -C $(BPFTOOLDIR) srctree=$(BPF_SAMPLES_PATH)/../../ \
+ OUTPUT=$(BPFTOOL_OUTPUT)/ \
+ LIBBPF_OUTPUT=$(LIBBPF_OUTPUT)/ \
+ LIBBPF_DESTDIR=$(LIBBPF_DESTDIR)/
+
+$(LIBBPF_OUTPUT) $(BPFTOOL_OUTPUT):
+ $(call msg,MKDIR,$@)
+ $(Q)mkdir -p $@
$(obj)/syscall_nrs.h: $(obj)/syscall_nrs.s FORCE
$(call filechk,offsets,__SYSCALL_NRS_H__)
@@ -309,6 +327,11 @@ verify_target_bpf: verify_cmds
$(BPF_SAMPLES_PATH)/*.c: verify_target_bpf $(LIBBPF)
$(src)/*.c: verify_target_bpf $(LIBBPF)
+libbpf_hdrs: $(LIBBPF)
+$(obj)/$(TRACE_HELPERS): | libbpf_hdrs
+
+.PHONY: libbpf_hdrs
+
$(obj)/xdp_redirect_cpu_user.o: $(obj)/xdp_redirect_cpu.skel.h
$(obj)/xdp_redirect_map_multi_user.o: $(obj)/xdp_redirect_map_multi.skel.h
$(obj)/xdp_redirect_map_user.o: $(obj)/xdp_redirect_map.skel.h
@@ -322,17 +345,11 @@ $(obj)/hbm_edt_kern.o: $(src)/hbm.h $(src)/hbm_kern.h
-include $(BPF_SAMPLES_PATH)/Makefile.target
-VMLINUX_BTF_PATHS ?= $(if $(O),$(O)/vmlinux) \
- $(if $(KBUILD_OUTPUT),$(KBUILD_OUTPUT)/vmlinux) \
- ../../../../vmlinux \
- /sys/kernel/btf/vmlinux \
- /boot/vmlinux-$(shell uname -r)
+VMLINUX_BTF_PATHS ?= $(abspath $(if $(O),$(O)/vmlinux)) \
+ $(abspath $(if $(KBUILD_OUTPUT),$(KBUILD_OUTPUT)/vmlinux)) \
+ $(abspath ./vmlinux)
VMLINUX_BTF ?= $(abspath $(firstword $(wildcard $(VMLINUX_BTF_PATHS))))
-ifeq ($(VMLINUX_BTF),)
-$(error Cannot find a vmlinux for VMLINUX_BTF at any of "$(VMLINUX_BTF_PATHS)")
-endif
-
$(obj)/vmlinux.h: $(VMLINUX_BTF) $(BPFTOOL)
ifeq ($(VMLINUX_H),)
$(Q)$(BPFTOOL) btf dump file $(VMLINUX_BTF) format c > $@
@@ -340,6 +357,11 @@ else
$(Q)cp "$(VMLINUX_H)" $@
endif
+ifeq ($(VMLINUX_BTF),)
+ $(error Cannot find a vmlinux for VMLINUX_BTF at any of "$(VMLINUX_BTF_PATHS)",\
+ build the kernel or set VMLINUX_BTF variable)
+endif
+
clean-files += vmlinux.h
# Get Clang's default includes on this system, as opposed to those seen by
@@ -367,7 +389,7 @@ $(obj)/%.bpf.o: $(src)/%.bpf.c $(obj)/vmlinux.h $(src)/xdp_sample.bpf.h $(src)/x
$(Q)$(CLANG) -g -O2 -target bpf -D__TARGET_ARCH_$(SRCARCH) \
-Wno-compare-distinct-pointer-types -I$(srctree)/include \
-I$(srctree)/samples/bpf -I$(srctree)/tools/include \
- -I$(srctree)/tools/lib $(CLANG_SYS_INCLUDES) \
+ -I$(LIBBPF_INCLUDE) $(CLANG_SYS_INCLUDES) \
-c $(filter %.bpf.c,$^) -o $@
LINKED_SKELS := xdp_redirect_cpu.skel.h xdp_redirect_map_multi.skel.h \
@@ -404,7 +426,7 @@ $(obj)/%.o: $(src)/%.c
@echo " CLANG-bpf " $@
$(Q)$(CLANG) $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(BPF_EXTRA_CFLAGS) \
-I$(obj) -I$(srctree)/tools/testing/selftests/bpf/ \
- -I$(srctree)/tools/lib/ \
+ -I$(LIBBPF_INCLUDE) \
-D__KERNEL__ -D__BPF_TRACING__ -Wno-unused-value -Wno-pointer-sign \
-D__TARGET_ARCH_$(SRCARCH) -Wno-compare-distinct-pointer-types \
-Wno-gnu-variable-sized-type-not-at-end \
diff --git a/samples/bpf/bpf_insn.h b/samples/bpf/bpf_insn.h
index aee04534483a..29c3bb6ad1cd 100644
--- a/samples/bpf/bpf_insn.h
+++ b/samples/bpf/bpf_insn.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 */
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
/* eBPF instruction mini library */
#ifndef __BPF_INSN_H
#define __BPF_INSN_H
diff --git a/samples/bpf/xdp1_user.c b/samples/bpf/xdp1_user.c
index 116e39f6b666..8675fa5273df 100644
--- a/samples/bpf/xdp1_user.c
+++ b/samples/bpf/xdp1_user.c
@@ -128,7 +128,7 @@ int main(int argc, char **argv)
if (bpf_prog_load_xattr(&prog_load_attr, &obj, &prog_fd))
return 1;
- map = bpf_map__next(NULL, obj);
+ map = bpf_object__next_map(obj, NULL);
if (!map) {
printf("finding a map in obj file failed\n");
return 1;
diff --git a/samples/bpf/xdp_redirect_cpu_user.c b/samples/bpf/xdp_redirect_cpu_user.c
index 6e25fba64c72..d84e6949007c 100644
--- a/samples/bpf/xdp_redirect_cpu_user.c
+++ b/samples/bpf/xdp_redirect_cpu_user.c
@@ -325,7 +325,6 @@ int main(int argc, char **argv)
int add_cpu = -1;
int ifindex = -1;
int *cpu, i, opt;
- char *ifname;
__u32 qsize;
int n_cpus;
@@ -393,9 +392,8 @@ int main(int argc, char **argv)
fprintf(stderr, "-d/--dev name too long\n");
goto end_cpu;
}
- ifname = (char *)&ifname_buf;
- safe_strncpy(ifname, optarg, sizeof(ifname));
- ifindex = if_nametoindex(ifname);
+ safe_strncpy(ifname_buf, optarg, strlen(ifname_buf));
+ ifindex = if_nametoindex(ifname_buf);
if (!ifindex)
ifindex = strtoul(optarg, NULL, 0);
if (!ifindex) {
diff --git a/samples/bpf/xdp_redirect_map_multi.bpf.c b/samples/bpf/xdp_redirect_map_multi.bpf.c
index 8f59d430cb64..bb0a5a3bfcf0 100644
--- a/samples/bpf/xdp_redirect_map_multi.bpf.c
+++ b/samples/bpf/xdp_redirect_map_multi.bpf.c
@@ -5,11 +5,6 @@
#include "xdp_sample.bpf.h"
#include "xdp_sample_shared.h"
-enum {
- BPF_F_BROADCAST = (1ULL << 3),
- BPF_F_EXCLUDE_INGRESS = (1ULL << 4),
-};
-
struct {
__uint(type, BPF_MAP_TYPE_DEVMAP_HASH);
__uint(key_size, sizeof(int));
diff --git a/samples/bpf/xdp_router_ipv4_user.c b/samples/bpf/xdp_router_ipv4_user.c
index b5f03cb17a3c..cfaf7e50e431 100644
--- a/samples/bpf/xdp_router_ipv4_user.c
+++ b/samples/bpf/xdp_router_ipv4_user.c
@@ -155,7 +155,7 @@ static void read_route(struct nlmsghdr *nh, int nll)
printf("%d\n", nh->nlmsg_type);
memset(&route, 0, sizeof(route));
- printf("Destination\t\tGateway\t\tGenmask\t\tMetric\t\tIface\n");
+ printf("Destination Gateway Genmask Metric Iface\n");
for (; NLMSG_OK(nh, nll); nh = NLMSG_NEXT(nh, nll)) {
rt_msg = (struct rtmsg *)NLMSG_DATA(nh);
rtm_family = rt_msg->rtm_family;
@@ -207,6 +207,7 @@ static void read_route(struct nlmsghdr *nh, int nll)
int metric;
__be32 gw;
} *prefix_value;
+ struct in_addr dst_addr, gw_addr, mask_addr;
prefix_key = alloca(sizeof(*prefix_key) + 3);
prefix_value = alloca(sizeof(*prefix_value));
@@ -234,14 +235,17 @@ static void read_route(struct nlmsghdr *nh, int nll)
for (i = 0; i < 4; i++)
prefix_key->data[i] = (route.dst >> i * 8) & 0xff;
- printf("%3d.%d.%d.%d\t\t%3x\t\t%d\t\t%d\t\t%s\n",
- (int)prefix_key->data[0],
- (int)prefix_key->data[1],
- (int)prefix_key->data[2],
- (int)prefix_key->data[3],
- route.gw, route.dst_len,
+ dst_addr.s_addr = route.dst;
+ printf("%-16s", inet_ntoa(dst_addr));
+
+ gw_addr.s_addr = route.gw;
+ printf("%-16s", inet_ntoa(gw_addr));
+
+ mask_addr.s_addr = htonl(~(0xffffffffU >> route.dst_len));
+ printf("%-16s%-7d%s\n", inet_ntoa(mask_addr),
route.metric,
route.iface_name);
+
if (bpf_map_lookup_elem(lpm_map_fd, prefix_key,
prefix_value) < 0) {
for (i = 0; i < 4; i++)
@@ -393,8 +397,12 @@ static void read_arp(struct nlmsghdr *nh, int nll)
if (nh->nlmsg_type == RTM_GETNEIGH)
printf("READING arp entry\n");
- printf("Address\tHwAddress\n");
+ printf("Address HwAddress\n");
for (; NLMSG_OK(nh, nll); nh = NLMSG_NEXT(nh, nll)) {
+ struct in_addr dst_addr;
+ char mac_str[18];
+ int len = 0, i;
+
rt_msg = (struct ndmsg *)NLMSG_DATA(nh);
rt_attr = (struct rtattr *)RTM_RTA(rt_msg);
ndm_family = rt_msg->ndm_family;
@@ -415,7 +423,14 @@ static void read_arp(struct nlmsghdr *nh, int nll)
}
arp_entry.dst = atoi(dsts);
arp_entry.mac = atol(mac);
- printf("%x\t\t%llx\n", arp_entry.dst, arp_entry.mac);
+
+ dst_addr.s_addr = arp_entry.dst;
+ for (i = 0; i < 6; i++)
+ len += snprintf(mac_str + len, 18 - len, "%02llx%s",
+ ((arp_entry.mac >> i * 8) & 0xff),
+ i < 5 ? ":" : "");
+ printf("%-16s%s\n", inet_ntoa(dst_addr), mac_str);
+
if (ndm_family == AF_INET) {
if (bpf_map_lookup_elem(exact_match_map_fd,
&arp_entry.dst,
@@ -672,7 +687,7 @@ int main(int ac, char **argv)
if (bpf_prog_load_xattr(&prog_load_attr, &obj, &prog_fd))
return 1;
- printf("\n**************loading bpf file*********************\n\n\n");
+ printf("\n******************loading bpf file*********************\n");
if (!prog_fd) {
printf("bpf_prog_load_xattr: %s\n", strerror(errno));
return 1;
@@ -722,9 +737,9 @@ int main(int ac, char **argv)
signal(SIGINT, int_exit);
signal(SIGTERM, int_exit);
- printf("*******************ROUTE TABLE*************************\n\n\n");
+ printf("\n*******************ROUTE TABLE*************************\n");
get_route_table(AF_INET);
- printf("*******************ARP TABLE***************************\n\n\n");
+ printf("\n*******************ARP TABLE***************************\n");
get_arp_table(AF_INET);
if (monitor_route() < 0) {
printf("Error in receiving route update");
diff --git a/samples/bpf/xdp_sample_pkts_user.c b/samples/bpf/xdp_sample_pkts_user.c
index 495e09897bd3..f4382ccdcbb1 100644
--- a/samples/bpf/xdp_sample_pkts_user.c
+++ b/samples/bpf/xdp_sample_pkts_user.c
@@ -154,7 +154,7 @@ int main(int argc, char **argv)
return 1;
}
- map = bpf_map__next(NULL, obj);
+ map = bpf_object__next_map(obj, NULL);
if (!map) {
printf("finding a map in obj file failed\n");
return 1;
diff --git a/samples/ftrace/Makefile b/samples/ftrace/Makefile
index 4ce896e10b2e..e8a3f8520a44 100644
--- a/samples/ftrace/Makefile
+++ b/samples/ftrace/Makefile
@@ -3,6 +3,7 @@
obj-$(CONFIG_SAMPLE_FTRACE_DIRECT) += ftrace-direct.o
obj-$(CONFIG_SAMPLE_FTRACE_DIRECT) += ftrace-direct-too.o
obj-$(CONFIG_SAMPLE_FTRACE_DIRECT) += ftrace-direct-modify.o
+obj-$(CONFIG_SAMPLE_FTRACE_MULTI_DIRECT) += ftrace-direct-multi.o
CFLAGS_sample-trace-array.o := -I$(src)
obj-$(CONFIG_SAMPLE_TRACE_ARRAY) += sample-trace-array.o
diff --git a/samples/ftrace/ftrace-direct-multi.c b/samples/ftrace/ftrace-direct-multi.c
new file mode 100644
index 000000000000..b6d7806b400e
--- /dev/null
+++ b/samples/ftrace/ftrace-direct-multi.c
@@ -0,0 +1,54 @@
+// SPDX-License-Identifier: GPL-2.0-only
+#include <linux/module.h>
+
+#include <linux/mm.h> /* for handle_mm_fault() */
+#include <linux/ftrace.h>
+#include <linux/sched/stat.h>
+
+extern void my_direct_func(unsigned long ip);
+
+void my_direct_func(unsigned long ip)
+{
+ trace_printk("ip %lx\n", ip);
+}
+
+extern void my_tramp(void *);
+
+asm (
+" .pushsection .text, \"ax\", @progbits\n"
+" .type my_tramp, @function\n"
+" .globl my_tramp\n"
+" my_tramp:"
+" pushq %rbp\n"
+" movq %rsp, %rbp\n"
+" pushq %rdi\n"
+" movq 8(%rbp), %rdi\n"
+" call my_direct_func\n"
+" popq %rdi\n"
+" leave\n"
+" ret\n"
+" .size my_tramp, .-my_tramp\n"
+" .popsection\n"
+);
+
+static struct ftrace_ops direct;
+
+static int __init ftrace_direct_multi_init(void)
+{
+ ftrace_set_filter_ip(&direct, (unsigned long) wake_up_process, 0, 0);
+ ftrace_set_filter_ip(&direct, (unsigned long) schedule, 0, 0);
+
+ return register_ftrace_direct_multi(&direct, (unsigned long) my_tramp);
+}
+
+static void __exit ftrace_direct_multi_exit(void)
+{
+ unregister_ftrace_direct_multi(&direct, (unsigned long) my_tramp);
+}
+
+module_init(ftrace_direct_multi_init);
+module_exit(ftrace_direct_multi_exit);
+
+MODULE_AUTHOR("Jiri Olsa");
+MODULE_DESCRIPTION("Example use case of using register_ftrace_direct_multi()");
+MODULE_LICENSE("GPL");
diff --git a/samples/kfifo/bytestream-example.c b/samples/kfifo/bytestream-example.c
index 5a90aa527877..642d0748c169 100644
--- a/samples/kfifo/bytestream-example.c
+++ b/samples/kfifo/bytestream-example.c
@@ -22,10 +22,10 @@
#define PROC_FIFO "bytestream-fifo"
/* lock for procfs read access */
-static DEFINE_MUTEX(read_lock);
+static DEFINE_MUTEX(read_access);
/* lock for procfs write access */
-static DEFINE_MUTEX(write_lock);
+static DEFINE_MUTEX(write_access);
/*
* define DYNAMIC in this example for a dynamically allocated fifo.
@@ -116,12 +116,12 @@ static ssize_t fifo_write(struct file *file, const char __user *buf,
int ret;
unsigned int copied;
- if (mutex_lock_interruptible(&write_lock))
+ if (mutex_lock_interruptible(&write_access))
return -ERESTARTSYS;
ret = kfifo_from_user(&test, buf, count, &copied);
- mutex_unlock(&write_lock);
+ mutex_unlock(&write_access);
if (ret)
return ret;
@@ -134,12 +134,12 @@ static ssize_t fifo_read(struct file *file, char __user *buf,
int ret;
unsigned int copied;
- if (mutex_lock_interruptible(&read_lock))
+ if (mutex_lock_interruptible(&read_access))
return -ERESTARTSYS;
ret = kfifo_to_user(&test, buf, count, &copied);
- mutex_unlock(&read_lock);
+ mutex_unlock(&read_access);
if (ret)
return ret;
diff --git a/samples/kfifo/inttype-example.c b/samples/kfifo/inttype-example.c
index e5403d8c971a..c61482ba94f4 100644
--- a/samples/kfifo/inttype-example.c
+++ b/samples/kfifo/inttype-example.c
@@ -22,10 +22,10 @@
#define PROC_FIFO "int-fifo"
/* lock for procfs read access */
-static DEFINE_MUTEX(read_lock);
+static DEFINE_MUTEX(read_access);
/* lock for procfs write access */
-static DEFINE_MUTEX(write_lock);
+static DEFINE_MUTEX(write_access);
/*
* define DYNAMIC in this example for a dynamically allocated fifo.
@@ -109,12 +109,12 @@ static ssize_t fifo_write(struct file *file, const char __user *buf,
int ret;
unsigned int copied;
- if (mutex_lock_interruptible(&write_lock))
+ if (mutex_lock_interruptible(&write_access))
return -ERESTARTSYS;
ret = kfifo_from_user(&test, buf, count, &copied);
- mutex_unlock(&write_lock);
+ mutex_unlock(&write_access);
if (ret)
return ret;
@@ -127,12 +127,12 @@ static ssize_t fifo_read(struct file *file, char __user *buf,
int ret;
unsigned int copied;
- if (mutex_lock_interruptible(&read_lock))
+ if (mutex_lock_interruptible(&read_access))
return -ERESTARTSYS;
ret = kfifo_to_user(&test, buf, count, &copied);
- mutex_unlock(&read_lock);
+ mutex_unlock(&read_access);
if (ret)
return ret;
diff --git a/samples/kfifo/record-example.c b/samples/kfifo/record-example.c
index f64f3d62d6c2..e4087b2d3fc4 100644
--- a/samples/kfifo/record-example.c
+++ b/samples/kfifo/record-example.c
@@ -22,10 +22,10 @@
#define PROC_FIFO "record-fifo"
/* lock for procfs read access */
-static DEFINE_MUTEX(read_lock);
+static DEFINE_MUTEX(read_access);
/* lock for procfs write access */
-static DEFINE_MUTEX(write_lock);
+static DEFINE_MUTEX(write_access);
/*
* define DYNAMIC in this example for a dynamically allocated fifo.
@@ -123,12 +123,12 @@ static ssize_t fifo_write(struct file *file, const char __user *buf,
int ret;
unsigned int copied;
- if (mutex_lock_interruptible(&write_lock))
+ if (mutex_lock_interruptible(&write_access))
return -ERESTARTSYS;
ret = kfifo_from_user(&test, buf, count, &copied);
- mutex_unlock(&write_lock);
+ mutex_unlock(&write_access);
if (ret)
return ret;
@@ -141,12 +141,12 @@ static ssize_t fifo_read(struct file *file, char __user *buf,
int ret;
unsigned int copied;
- if (mutex_lock_interruptible(&read_lock))
+ if (mutex_lock_interruptible(&read_access))
return -ERESTARTSYS;
ret = kfifo_to_user(&test, buf, count, &copied);
- mutex_unlock(&read_lock);
+ mutex_unlock(&read_access);
if (ret)
return ret;
diff --git a/samples/kprobes/kretprobe_example.c b/samples/kprobes/kretprobe_example.c
index 5dc1bf3baa98..228321ecb161 100644
--- a/samples/kprobes/kretprobe_example.c
+++ b/samples/kprobes/kretprobe_example.c
@@ -86,7 +86,7 @@ static int __init kretprobe_init(void)
ret = register_kretprobe(&my_kretprobe);
if (ret < 0) {
pr_err("register_kretprobe failed, returned %d\n", ret);
- return -1;
+ return ret;
}
pr_info("Planted return probe at %s: %p\n",
my_kretprobe.kp.symbol_name, my_kretprobe.kp.addr);
diff --git a/samples/nitro_enclaves/ne_ioctl_sample.c b/samples/nitro_enclaves/ne_ioctl_sample.c
index 480b763142b3..765b131c7319 100644
--- a/samples/nitro_enclaves/ne_ioctl_sample.c
+++ b/samples/nitro_enclaves/ne_ioctl_sample.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
/*
- * Copyright 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ * Copyright 2020-2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*/
/**
@@ -185,7 +185,6 @@ static int ne_create_vm(int ne_dev_fd, unsigned long *slot_uid, int *enclave_fd)
return 0;
}
-
/**
* ne_poll_enclave_fd() - Thread function for polling the enclave fd.
* @data: Argument provided for the polling function.
@@ -560,8 +559,8 @@ static int ne_add_vcpu(int enclave_fd, unsigned int *vcpu_id)
default:
printf("Error in add vcpu [%m]\n");
-
}
+
return rc;
}
@@ -638,7 +637,7 @@ static int ne_start_enclave(int enclave_fd, struct ne_enclave_start_info *encla
}
/**
- * ne_start_enclave_check_booted() - Start the enclave and wait for a hearbeat
+ * ne_start_enclave_check_booted() - Start the enclave and wait for a heartbeat
* from it, on a newly created vsock channel,
* to check it has booted.
* @enclave_fd : The file descriptor associated with the enclave.
diff --git a/samples/seccomp/bpf-helper.h b/samples/seccomp/bpf-helper.h
index 0cc9816fe8e8..417e48a4c4df 100644
--- a/samples/seccomp/bpf-helper.h
+++ b/samples/seccomp/bpf-helper.h
@@ -62,9 +62,9 @@ void seccomp_bpf_print(struct sock_filter *filter, size_t count);
#define EXPAND(...) __VA_ARGS__
/* Ensure that we load the logically correct offset. */
-#if __BYTE_ORDER == __LITTLE_ENDIAN
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
#define LO_ARG(idx) offsetof(struct seccomp_data, args[(idx)])
-#elif __BYTE_ORDER == __BIG_ENDIAN
+#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
#define LO_ARG(idx) offsetof(struct seccomp_data, args[(idx)]) + sizeof(__u32)
#else
#error "Unknown endianness"
@@ -85,10 +85,10 @@ void seccomp_bpf_print(struct sock_filter *filter, size_t count);
#elif __BITS_PER_LONG == 64
/* Ensure that we load the logically correct offset. */
-#if __BYTE_ORDER == __LITTLE_ENDIAN
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
#define ENDIAN(_lo, _hi) _lo, _hi
#define HI_ARG(idx) offsetof(struct seccomp_data, args[(idx)]) + sizeof(__u32)
-#elif __BYTE_ORDER == __BIG_ENDIAN
+#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
#define ENDIAN(_lo, _hi) _hi, _lo
#define HI_ARG(idx) offsetof(struct seccomp_data, args[(idx)])
#endif
diff --git a/samples/vfio-mdev/mbochs.c b/samples/vfio-mdev/mbochs.c
index c313ab4d1f4e..e90c8552cc31 100644
--- a/samples/vfio-mdev/mbochs.c
+++ b/samples/vfio-mdev/mbochs.c
@@ -553,7 +553,7 @@ static int mbochs_probe(struct mdev_device *mdev)
mbochs_create_config_space(mdev_state);
mbochs_reset(mdev_state);
- ret = vfio_register_group_dev(&mdev_state->vdev);
+ ret = vfio_register_emulated_iommu_dev(&mdev_state->vdev);
if (ret)
goto err_mem;
dev_set_drvdata(&mdev->dev, mdev_state);
@@ -1493,5 +1493,6 @@ static void __exit mbochs_dev_exit(void)
mbochs_class = NULL;
}
+MODULE_IMPORT_NS(DMA_BUF);
module_init(mbochs_dev_init)
module_exit(mbochs_dev_exit)
diff --git a/samples/vfio-mdev/mdpy.c b/samples/vfio-mdev/mdpy.c
index 8d1a80a0722a..fe5d43e797b6 100644
--- a/samples/vfio-mdev/mdpy.c
+++ b/samples/vfio-mdev/mdpy.c
@@ -258,7 +258,7 @@ static int mdpy_probe(struct mdev_device *mdev)
mdpy_count++;
- ret = vfio_register_group_dev(&mdev_state->vdev);
+ ret = vfio_register_emulated_iommu_dev(&mdev_state->vdev);
if (ret)
goto err_mem;
dev_set_drvdata(&mdev->dev, mdev_state);
diff --git a/samples/vfio-mdev/mtty.c b/samples/vfio-mdev/mtty.c
index 5983cdb16e3d..a0e1a469bd47 100644
--- a/samples/vfio-mdev/mtty.c
+++ b/samples/vfio-mdev/mtty.c
@@ -741,7 +741,7 @@ static int mtty_probe(struct mdev_device *mdev)
mtty_create_config_space(mdev_state);
- ret = vfio_register_group_dev(&mdev_state->vdev);
+ ret = vfio_register_emulated_iommu_dev(&mdev_state->vdev);
if (ret)
goto err_vconfig;
dev_set_drvdata(&mdev->dev, mdev_state);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-30 13:28:59 +0100