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-rw-r--r--arch/s390/Kconfig2
-rw-r--r--arch/s390/Makefile3
-rw-r--r--arch/s390/boot/uv.c2
-rw-r--r--arch/s390/configs/debug_defconfig1
-rw-r--r--arch/s390/configs/defconfig1
-rw-r--r--arch/s390/include/asm/uv.h4
-rw-r--r--arch/s390/kernel/crash_dump.c2
-rw-r--r--arch/s390/kernel/uv.c2
-rw-r--r--arch/s390/net/bpf_jit_comp.c27
-rw-r--r--arch/s390/oprofile/Makefile10
-rw-r--r--arch/s390/oprofile/init.c37
11 files changed, 21 insertions, 70 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index c72874f09741..41d6498dcbaa 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -174,7 +174,6 @@ config S390
select HAVE_MOD_ARCH_SPECIFIC
select HAVE_NMI
select HAVE_NOP_MCOUNT
- select HAVE_OPROFILE
select HAVE_PCI
select HAVE_PERF_EVENTS
select HAVE_PERF_REGS
@@ -426,7 +425,6 @@ config 64BIT
config COMPAT
def_bool y
prompt "Kernel support for 31 bit emulation"
- select COMPAT_BINFMT_ELF if BINFMT_ELF
select ARCH_WANT_OLD_COMPAT_IPC
select COMPAT_OLD_SIGACTION
select HAVE_UID16
diff --git a/arch/s390/Makefile b/arch/s390/Makefile
index 8db267d2a543..e443ed9947bd 100644
--- a/arch/s390/Makefile
+++ b/arch/s390/Makefile
@@ -134,9 +134,6 @@ core-y += arch/s390/
libs-y += arch/s390/lib/
drivers-y += drivers/s390/
-# must be linked after kernel
-drivers-$(CONFIG_OPROFILE) += arch/s390/oprofile/
-
boot := arch/s390/boot
syscalls := arch/s390/kernel/syscalls
tools := arch/s390/tools
diff --git a/arch/s390/boot/uv.c b/arch/s390/boot/uv.c
index a15c033f53ca..87641dd65ccf 100644
--- a/arch/s390/boot/uv.c
+++ b/arch/s390/boot/uv.c
@@ -35,7 +35,7 @@ void uv_query_info(void)
uv_info.guest_cpu_stor_len = uvcb.cpu_stor_len;
uv_info.max_sec_stor_addr = ALIGN(uvcb.max_guest_stor_addr, PAGE_SIZE);
uv_info.max_num_sec_conf = uvcb.max_num_sec_conf;
- uv_info.max_guest_cpus = uvcb.max_guest_cpus;
+ uv_info.max_guest_cpu_id = uvcb.max_guest_cpu_id;
}
#ifdef CONFIG_PROTECTED_VIRTUALIZATION_GUEST
diff --git a/arch/s390/configs/debug_defconfig b/arch/s390/configs/debug_defconfig
index c4f6ff98a612..8b94347705e5 100644
--- a/arch/s390/configs/debug_defconfig
+++ b/arch/s390/configs/debug_defconfig
@@ -57,7 +57,6 @@ CONFIG_CMM=m
CONFIG_APPLDATA_BASE=y
CONFIG_KVM=m
CONFIG_S390_UNWIND_SELFTEST=y
-CONFIG_OPROFILE=m
CONFIG_KPROBES=y
CONFIG_JUMP_LABEL=y
CONFIG_STATIC_KEYS_SELFTEST=y
diff --git a/arch/s390/configs/defconfig b/arch/s390/configs/defconfig
index 51135893cffe..9db1232e09f4 100644
--- a/arch/s390/configs/defconfig
+++ b/arch/s390/configs/defconfig
@@ -55,7 +55,6 @@ CONFIG_CMM=m
CONFIG_APPLDATA_BASE=y
CONFIG_KVM=m
CONFIG_S390_UNWIND_SELFTEST=m
-CONFIG_OPROFILE=m
CONFIG_KPROBES=y
CONFIG_JUMP_LABEL=y
# CONFIG_GCC_PLUGINS is not set
diff --git a/arch/s390/include/asm/uv.h b/arch/s390/include/asm/uv.h
index 0325fc0469b7..7b98d4caee77 100644
--- a/arch/s390/include/asm/uv.h
+++ b/arch/s390/include/asm/uv.h
@@ -96,7 +96,7 @@ struct uv_cb_qui {
u32 max_num_sec_conf;
u64 max_guest_stor_addr;
u8 reserved88[158 - 136];
- u16 max_guest_cpus;
+ u16 max_guest_cpu_id;
u8 reserveda0[200 - 160];
} __packed __aligned(8);
@@ -273,7 +273,7 @@ struct uv_info {
unsigned long guest_cpu_stor_len;
unsigned long max_sec_stor_addr;
unsigned int max_num_sec_conf;
- unsigned short max_guest_cpus;
+ unsigned short max_guest_cpu_id;
};
extern struct uv_info uv_info;
diff --git a/arch/s390/kernel/crash_dump.c b/arch/s390/kernel/crash_dump.c
index 205b2e2648aa..0e36dfc9ccd6 100644
--- a/arch/s390/kernel/crash_dump.c
+++ b/arch/s390/kernel/crash_dump.c
@@ -365,7 +365,7 @@ static void *fill_cpu_elf_notes(void *ptr, int cpu, struct save_area *sa)
memcpy(&nt_prstatus.pr_reg.gprs, sa->gprs, sizeof(sa->gprs));
memcpy(&nt_prstatus.pr_reg.psw, sa->psw, sizeof(sa->psw));
memcpy(&nt_prstatus.pr_reg.acrs, sa->acrs, sizeof(sa->acrs));
- nt_prstatus.pr_pid = cpu;
+ nt_prstatus.common.pr_pid = cpu;
/* Prepare fpregset (floating point) note */
memset(&nt_fpregset, 0, sizeof(nt_fpregset));
memcpy(&nt_fpregset.fpc, &sa->fpc, sizeof(sa->fpc));
diff --git a/arch/s390/kernel/uv.c b/arch/s390/kernel/uv.c
index 883bfed9f5c2..b2d2ad153067 100644
--- a/arch/s390/kernel/uv.c
+++ b/arch/s390/kernel/uv.c
@@ -368,7 +368,7 @@ static ssize_t uv_query_max_guest_cpus(struct kobject *kobj,
struct kobj_attribute *attr, char *page)
{
return scnprintf(page, PAGE_SIZE, "%d\n",
- uv_info.max_guest_cpus);
+ uv_info.max_guest_cpu_id + 1);
}
static struct kobj_attribute uv_query_max_guest_cpus_attr =
diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c
index 0a4182792876..f973e2ead197 100644
--- a/arch/s390/net/bpf_jit_comp.c
+++ b/arch/s390/net/bpf_jit_comp.c
@@ -1205,18 +1205,23 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp,
jit->seen |= SEEN_MEM;
break;
/*
- * BPF_STX XADD (atomic_add)
+ * BPF_ATOMIC
*/
- case BPF_STX | BPF_XADD | BPF_W: /* *(u32 *)(dst + off) += src */
- /* laal %w0,%src,off(%dst) */
- EMIT6_DISP_LH(0xeb000000, 0x00fa, REG_W0, src_reg,
- dst_reg, off);
- jit->seen |= SEEN_MEM;
- break;
- case BPF_STX | BPF_XADD | BPF_DW: /* *(u64 *)(dst + off) += src */
- /* laalg %w0,%src,off(%dst) */
- EMIT6_DISP_LH(0xeb000000, 0x00ea, REG_W0, src_reg,
- dst_reg, off);
+ case BPF_STX | BPF_ATOMIC | BPF_DW:
+ case BPF_STX | BPF_ATOMIC | BPF_W:
+ if (insn->imm != BPF_ADD) {
+ pr_err("Unknown atomic operation %02x\n", insn->imm);
+ return -1;
+ }
+
+ /* *(u32/u64 *)(dst + off) += src
+ *
+ * BFW_W: laal %w0,%src,off(%dst)
+ * BPF_DW: laalg %w0,%src,off(%dst)
+ */
+ EMIT6_DISP_LH(0xeb000000,
+ BPF_SIZE(insn->code) == BPF_W ? 0x00fa : 0x00ea,
+ REG_W0, src_reg, dst_reg, off);
jit->seen |= SEEN_MEM;
break;
/*
diff --git a/arch/s390/oprofile/Makefile b/arch/s390/oprofile/Makefile
deleted file mode 100644
index 36261f9d360b..000000000000
--- a/arch/s390/oprofile/Makefile
+++ /dev/null
@@ -1,10 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0
-obj-$(CONFIG_OPROFILE) += oprofile.o
-
-DRIVER_OBJS = $(addprefix ../../../drivers/oprofile/, \
- oprof.o cpu_buffer.o buffer_sync.o \
- event_buffer.o oprofile_files.o \
- oprofilefs.o oprofile_stats.o \
- timer_int.o )
-
-oprofile-y := $(DRIVER_OBJS) init.o
diff --git a/arch/s390/oprofile/init.c b/arch/s390/oprofile/init.c
deleted file mode 100644
index 7441857df51b..000000000000
--- a/arch/s390/oprofile/init.c
+++ /dev/null
@@ -1,37 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * S390 Version
- * Copyright IBM Corp. 2002, 2011
- * Author(s): Thomas Spatzier (tspat@de.ibm.com)
- * Author(s): Mahesh Salgaonkar (mahesh@linux.vnet.ibm.com)
- * Author(s): Heinz Graalfs (graalfs@linux.vnet.ibm.com)
- * Author(s): Andreas Krebbel (krebbel@linux.vnet.ibm.com)
- *
- * @remark Copyright 2002-2011 OProfile authors
- */
-
-#include <linux/oprofile.h>
-#include <linux/init.h>
-#include <asm/processor.h>
-#include <asm/unwind.h>
-
-static void s390_backtrace(struct pt_regs *regs, unsigned int depth)
-{
- struct unwind_state state;
-
- unwind_for_each_frame(&state, current, regs, 0) {
- if (depth-- == 0)
- break;
- oprofile_add_trace(state.ip);
- }
-}
-
-int __init oprofile_arch_init(struct oprofile_operations *ops)
-{
- ops->backtrace = s390_backtrace;
- return 0;
-}
-
-void oprofile_arch_exit(void)
-{
-}
generated by cgit v1.2.3-70-g09d2 (git 2.48.1) at 2025-02-20 17:23:11 +0000