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-rw-r--r--arch/sparc/include/asm/adi_64.h3
-rw-r--r--arch/sparc/include/asm/atomic_64.h8
-rw-r--r--arch/sparc/include/asm/device.h3
-rw-r--r--arch/sparc/include/uapi/asm/socket.h2
-rw-r--r--arch/sparc/kernel/adi_64.c3
-rw-r--r--arch/sparc/kernel/mdesc.c2
-rw-r--r--arch/sparc/kernel/perf_event.c4
-rw-r--r--arch/sparc/kernel/process_64.c4
-rw-r--r--arch/sparc/kernel/signal32.c8
-rw-r--r--arch/sparc/kernel/signal_32.c4
-rw-r--r--arch/sparc/kernel/signal_64.c8
-rw-r--r--arch/sparc/kernel/sun4v_mcd.S3
-rw-r--r--arch/sparc/kernel/sys_sparc_32.c2
-rw-r--r--arch/sparc/kernel/sys_sparc_64.c2
-rw-r--r--arch/sparc/kernel/syscalls/syscall.tbl1
-rw-r--r--arch/sparc/kernel/traps_32.c4
-rw-r--r--arch/sparc/kernel/traps_64.c41
-rw-r--r--arch/sparc/mm/fault_32.c4
-rw-r--r--arch/sparc/mm/fault_64.c2
-rw-r--r--arch/sparc/mm/ultra.S4
-rw-r--r--arch/sparc/net/bpf_jit_comp_64.c29
21 files changed, 84 insertions, 57 deletions
diff --git a/arch/sparc/include/asm/adi_64.h b/arch/sparc/include/asm/adi_64.h
index 85f7a763af85..4301c6fd87f7 100644
--- a/arch/sparc/include/asm/adi_64.h
+++ b/arch/sparc/include/asm/adi_64.h
@@ -1,9 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/* adi_64.h: ADI related data structures
*
* Copyright (c) 2016 Oracle and/or its affiliates. All rights reserved.
* Author: Khalid Aziz (khalid.aziz@oracle.com)
- *
- * This work is licensed under the terms of the GNU GPL, version 2.
*/
#ifndef __ASM_SPARC64_ADI_H
#define __ASM_SPARC64_ADI_H
diff --git a/arch/sparc/include/asm/atomic_64.h b/arch/sparc/include/asm/atomic_64.h
index 6963482c81d8..b60448397d4f 100644
--- a/arch/sparc/include/asm/atomic_64.h
+++ b/arch/sparc/include/asm/atomic_64.h
@@ -23,15 +23,15 @@
#define ATOMIC_OP(op) \
void atomic_##op(int, atomic_t *); \
-void atomic64_##op(long, atomic64_t *);
+void atomic64_##op(s64, atomic64_t *);
#define ATOMIC_OP_RETURN(op) \
int atomic_##op##_return(int, atomic_t *); \
-long atomic64_##op##_return(long, atomic64_t *);
+s64 atomic64_##op##_return(s64, atomic64_t *);
#define ATOMIC_FETCH_OP(op) \
int atomic_fetch_##op(int, atomic_t *); \
-long atomic64_fetch_##op(long, atomic64_t *);
+s64 atomic64_fetch_##op(s64, atomic64_t *);
#define ATOMIC_OPS(op) ATOMIC_OP(op) ATOMIC_OP_RETURN(op) ATOMIC_FETCH_OP(op)
@@ -61,7 +61,7 @@ static inline int atomic_xchg(atomic_t *v, int new)
((__typeof__((v)->counter))cmpxchg(&((v)->counter), (o), (n)))
#define atomic64_xchg(v, new) (xchg(&((v)->counter), new))
-long atomic64_dec_if_positive(atomic64_t *v);
+s64 atomic64_dec_if_positive(atomic64_t *v);
#define atomic64_dec_if_positive atomic64_dec_if_positive
#endif /* !(__ARCH_SPARC64_ATOMIC__) */
diff --git a/arch/sparc/include/asm/device.h b/arch/sparc/include/asm/device.h
index bb3f0b0c6754..a797d5e86406 100644
--- a/arch/sparc/include/asm/device.h
+++ b/arch/sparc/include/asm/device.h
@@ -1,7 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Arch specific extensions to struct device
- *
- * This file is released under the GPLv2
*/
#ifndef _ASM_SPARC_DEVICE_H
#define _ASM_SPARC_DEVICE_H
diff --git a/arch/sparc/include/uapi/asm/socket.h b/arch/sparc/include/uapi/asm/socket.h
index 9265a9eece15..8029b681fc7c 100644
--- a/arch/sparc/include/uapi/asm/socket.h
+++ b/arch/sparc/include/uapi/asm/socket.h
@@ -115,6 +115,8 @@
#define SO_RCVTIMEO_NEW 0x0044
#define SO_SNDTIMEO_NEW 0x0045
+#define SO_DETACH_REUSEPORT_BPF 0x0047
+
#if !defined(__KERNEL__)
diff --git a/arch/sparc/kernel/adi_64.c b/arch/sparc/kernel/adi_64.c
index d0a2ac975b42..ce332942de2d 100644
--- a/arch/sparc/kernel/adi_64.c
+++ b/arch/sparc/kernel/adi_64.c
@@ -1,11 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* adi_64.c: support for ADI (Application Data Integrity) feature on
* sparc m7 and newer processors. This feature is also known as
* SSM (Silicon Secured Memory).
*
* Copyright (C) 2016 Oracle and/or its affiliates. All rights reserved.
* Author: Khalid Aziz (khalid.aziz@oracle.com)
- *
- * This work is licensed under the terms of the GNU GPL, version 2.
*/
#include <linux/init.h>
#include <linux/slab.h>
diff --git a/arch/sparc/kernel/mdesc.c b/arch/sparc/kernel/mdesc.c
index 9a26b442f820..8e645ddac58e 100644
--- a/arch/sparc/kernel/mdesc.c
+++ b/arch/sparc/kernel/mdesc.c
@@ -356,6 +356,8 @@ static int get_vdev_port_node_info(struct mdesc_handle *md, u64 node,
node_info->vdev_port.id = *idp;
node_info->vdev_port.name = kstrdup_const(name, GFP_KERNEL);
+ if (!node_info->vdev_port.name)
+ return -1;
node_info->vdev_port.parent_cfg_hdl = *parent_cfg_hdlp;
return 0;
diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c
index 6de7c684c29f..a58ae9c42803 100644
--- a/arch/sparc/kernel/perf_event.c
+++ b/arch/sparc/kernel/perf_event.c
@@ -891,6 +891,10 @@ static int sparc_perf_event_set_period(struct perf_event *event,
s64 period = hwc->sample_period;
int ret = 0;
+ /* The period may have been changed by PERF_EVENT_IOC_PERIOD */
+ if (unlikely(period != hwc->last_period))
+ left = period - (hwc->last_period - left);
+
if (unlikely(left <= -period)) {
left = period;
local64_set(&hwc->period_left, left);
diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c
index 59eaf6227af1..4282116e28e7 100644
--- a/arch/sparc/kernel/process_64.c
+++ b/arch/sparc/kernel/process_64.c
@@ -519,7 +519,7 @@ void synchronize_user_stack(void)
static void stack_unaligned(unsigned long sp)
{
- force_sig_fault(SIGBUS, BUS_ADRALN, (void __user *) sp, 0, current);
+ force_sig_fault(SIGBUS, BUS_ADRALN, (void __user *) sp, 0);
}
static const char uwfault32[] = KERN_INFO \
@@ -570,7 +570,7 @@ void fault_in_user_windows(struct pt_regs *regs)
barf:
set_thread_wsaved(window + 1);
- force_sig(SIGSEGV, current);
+ force_sig(SIGSEGV);
}
asmlinkage long sparc_do_fork(unsigned long clone_flags,
diff --git a/arch/sparc/kernel/signal32.c b/arch/sparc/kernel/signal32.c
index e800ce13cc6e..a237810aa9f4 100644
--- a/arch/sparc/kernel/signal32.c
+++ b/arch/sparc/kernel/signal32.c
@@ -170,7 +170,7 @@ void do_sigreturn32(struct pt_regs *regs)
return;
segv:
- force_sig(SIGSEGV, current);
+ force_sig(SIGSEGV);
}
asmlinkage void do_rt_sigreturn32(struct pt_regs *regs)
@@ -256,7 +256,7 @@ asmlinkage void do_rt_sigreturn32(struct pt_regs *regs)
set_current_blocked(&set);
return;
segv:
- force_sig(SIGSEGV, current);
+ force_sig(SIGSEGV);
}
static void __user *get_sigframe(struct ksignal *ksig, struct pt_regs *regs, unsigned long framesize)
@@ -375,7 +375,7 @@ static int setup_frame32(struct ksignal *ksig, struct pt_regs *regs,
pr_info("%s[%d] bad frame in setup_frame32: %08lx TPC %08lx O7 %08lx\n",
current->comm, current->pid, (unsigned long)sf,
regs->tpc, regs->u_regs[UREG_I7]);
- force_sigsegv(ksig->sig, current);
+ force_sigsegv(ksig->sig);
return -EINVAL;
}
@@ -509,7 +509,7 @@ static int setup_rt_frame32(struct ksignal *ksig, struct pt_regs *regs,
pr_info("%s[%d] bad frame in setup_rt_frame32: %08lx TPC %08lx O7 %08lx\n",
current->comm, current->pid, (unsigned long)sf,
regs->tpc, regs->u_regs[UREG_I7]);
- force_sigsegv(ksig->sig, current);
+ force_sigsegv(ksig->sig);
return -EINVAL;
}
diff --git a/arch/sparc/kernel/signal_32.c b/arch/sparc/kernel/signal_32.c
index 83953780ca01..42c3de313fd6 100644
--- a/arch/sparc/kernel/signal_32.c
+++ b/arch/sparc/kernel/signal_32.c
@@ -137,7 +137,7 @@ asmlinkage void do_sigreturn(struct pt_regs *regs)
return;
segv_and_exit:
- force_sig(SIGSEGV, current);
+ force_sig(SIGSEGV);
}
asmlinkage void do_rt_sigreturn(struct pt_regs *regs)
@@ -196,7 +196,7 @@ asmlinkage void do_rt_sigreturn(struct pt_regs *regs)
set_current_blocked(&set);
return;
segv:
- force_sig(SIGSEGV, current);
+ force_sig(SIGSEGV);
}
static inline void __user *get_sigframe(struct ksignal *ksig, struct pt_regs *regs, unsigned long framesize)
diff --git a/arch/sparc/kernel/signal_64.c b/arch/sparc/kernel/signal_64.c
index ca70787efd8e..69ae814b7e90 100644
--- a/arch/sparc/kernel/signal_64.c
+++ b/arch/sparc/kernel/signal_64.c
@@ -134,7 +134,7 @@ out:
exception_exit(prev_state);
return;
do_sigsegv:
- force_sig(SIGSEGV, current);
+ force_sig(SIGSEGV);
goto out;
}
@@ -228,7 +228,7 @@ out:
exception_exit(prev_state);
return;
do_sigsegv:
- force_sig(SIGSEGV, current);
+ force_sig(SIGSEGV);
goto out;
}
@@ -320,7 +320,7 @@ void do_rt_sigreturn(struct pt_regs *regs)
set_current_blocked(&set);
return;
segv:
- force_sig(SIGSEGV, current);
+ force_sig(SIGSEGV);
}
static inline void __user *get_sigframe(struct ksignal *ksig, struct pt_regs *regs, unsigned long framesize)
@@ -374,7 +374,7 @@ setup_rt_frame(struct ksignal *ksig, struct pt_regs *regs)
pr_info("%s[%d] bad frame in setup_rt_frame: %016lx TPC %016lx O7 %016lx\n",
current->comm, current->pid, (unsigned long)sf,
regs->tpc, regs->u_regs[UREG_I7]);
- force_sigsegv(ksig->sig, current);
+ force_sigsegv(ksig->sig);
return -EINVAL;
}
diff --git a/arch/sparc/kernel/sun4v_mcd.S b/arch/sparc/kernel/sun4v_mcd.S
index d6c69ebca110..a419b7318406 100644
--- a/arch/sparc/kernel/sun4v_mcd.S
+++ b/arch/sparc/kernel/sun4v_mcd.S
@@ -1,10 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/* sun4v_mcd.S: Sun4v memory corruption detected precise exception handler
*
* Copyright (c) 2015 Oracle and/or its affiliates. All rights reserved.
* Authors: Bob Picco <bob.picco@oracle.com>,
* Khalid Aziz <khalid.aziz@oracle.com>
- *
- * This work is licensed under the terms of the GNU GPL, version 2.
*/
.text
.align 32
diff --git a/arch/sparc/kernel/sys_sparc_32.c b/arch/sparc/kernel/sys_sparc_32.c
index 452e4d080855..be77538bc038 100644
--- a/arch/sparc/kernel/sys_sparc_32.c
+++ b/arch/sparc/kernel/sys_sparc_32.c
@@ -151,7 +151,7 @@ sparc_breakpoint (struct pt_regs *regs)
#ifdef DEBUG_SPARC_BREAKPOINT
printk ("TRAP: Entering kernel PC=%x, nPC=%x\n", regs->pc, regs->npc);
#endif
- force_sig_fault(SIGTRAP, TRAP_BRKPT, (void __user *)regs->pc, 0, current);
+ force_sig_fault(SIGTRAP, TRAP_BRKPT, (void __user *)regs->pc, 0);
#ifdef DEBUG_SPARC_BREAKPOINT
printk ("TRAP: Returning to space: PC=%x nPC=%x\n", regs->pc, regs->npc);
diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c
index 9825ca6a6020..ccc88926bc00 100644
--- a/arch/sparc/kernel/sys_sparc_64.c
+++ b/arch/sparc/kernel/sys_sparc_64.c
@@ -511,7 +511,7 @@ asmlinkage void sparc_breakpoint(struct pt_regs *regs)
#ifdef DEBUG_SPARC_BREAKPOINT
printk ("TRAP: Entering kernel PC=%lx, nPC=%lx\n", regs->tpc, regs->tnpc);
#endif
- force_sig_fault(SIGTRAP, TRAP_BRKPT, (void __user *)regs->tpc, 0, current);
+ force_sig_fault(SIGTRAP, TRAP_BRKPT, (void __user *)regs->tpc, 0);
#ifdef DEBUG_SPARC_BREAKPOINT
printk ("TRAP: Returning to space: PC=%lx nPC=%lx\n", regs->tpc, regs->tnpc);
#endif
diff --git a/arch/sparc/kernel/syscalls/syscall.tbl b/arch/sparc/kernel/syscalls/syscall.tbl
index e047480b1605..c58e71f21129 100644
--- a/arch/sparc/kernel/syscalls/syscall.tbl
+++ b/arch/sparc/kernel/syscalls/syscall.tbl
@@ -479,3 +479,4 @@
431 common fsconfig sys_fsconfig
432 common fsmount sys_fsmount
433 common fspick sys_fspick
+434 common pidfd_open sys_pidfd_open
diff --git a/arch/sparc/kernel/traps_32.c b/arch/sparc/kernel/traps_32.c
index bcdfc6168dd5..4ceecad556a9 100644
--- a/arch/sparc/kernel/traps_32.c
+++ b/arch/sparc/kernel/traps_32.c
@@ -103,7 +103,7 @@ void do_hw_interrupt(struct pt_regs *regs, unsigned long type)
die_if_kernel("Kernel bad trap", regs);
force_sig_fault(SIGILL, ILL_ILLTRP,
- (void __user *)regs->pc, type - 0x80, current);
+ (void __user *)regs->pc, type - 0x80);
}
void do_illegal_instruction(struct pt_regs *regs, unsigned long pc, unsigned long npc,
@@ -327,7 +327,7 @@ void handle_reg_access(struct pt_regs *regs, unsigned long pc, unsigned long npc
printk("Register Access Exception at PC %08lx NPC %08lx PSR %08lx\n",
pc, npc, psr);
#endif
- force_sig_fault(SIGBUS, BUS_OBJERR, (void __user *)pc, 0, current);
+ force_sig_fault(SIGBUS, BUS_OBJERR, (void __user *)pc, 0);
}
void handle_cp_disabled(struct pt_regs *regs, unsigned long pc, unsigned long npc,
diff --git a/arch/sparc/kernel/traps_64.c b/arch/sparc/kernel/traps_64.c
index 04aa588d5dd1..27778b65a965 100644
--- a/arch/sparc/kernel/traps_64.c
+++ b/arch/sparc/kernel/traps_64.c
@@ -108,7 +108,7 @@ void bad_trap(struct pt_regs *regs, long lvl)
regs->tnpc &= 0xffffffff;
}
force_sig_fault(SIGILL, ILL_ILLTRP,
- (void __user *)regs->tpc, lvl, current);
+ (void __user *)regs->tpc, lvl);
}
void bad_trap_tl1(struct pt_regs *regs, long lvl)
@@ -202,7 +202,7 @@ void spitfire_insn_access_exception(struct pt_regs *regs, unsigned long sfsr, un
regs->tnpc &= 0xffffffff;
}
force_sig_fault(SIGSEGV, SEGV_MAPERR,
- (void __user *)regs->tpc, 0, current);
+ (void __user *)regs->tpc, 0);
out:
exception_exit(prev_state);
}
@@ -237,7 +237,7 @@ void sun4v_insn_access_exception(struct pt_regs *regs, unsigned long addr, unsig
regs->tpc &= 0xffffffff;
regs->tnpc &= 0xffffffff;
}
- force_sig_fault(SIGSEGV, SEGV_MAPERR, (void __user *) addr, 0, current);
+ force_sig_fault(SIGSEGV, SEGV_MAPERR, (void __user *) addr, 0);
}
void sun4v_insn_access_exception_tl1(struct pt_regs *regs, unsigned long addr, unsigned long type_ctx)
@@ -322,7 +322,7 @@ void spitfire_data_access_exception(struct pt_regs *regs, unsigned long sfsr, un
if (is_no_fault_exception(regs))
return;
- force_sig_fault(SIGSEGV, SEGV_MAPERR, (void __user *)sfar, 0, current);
+ force_sig_fault(SIGSEGV, SEGV_MAPERR, (void __user *)sfar, 0);
out:
exception_exit(prev_state);
}
@@ -386,16 +386,13 @@ void sun4v_data_access_exception(struct pt_regs *regs, unsigned long addr, unsig
*/
switch (type) {
case HV_FAULT_TYPE_INV_ASI:
- force_sig_fault(SIGILL, ILL_ILLADR, (void __user *)addr, 0,
- current);
+ force_sig_fault(SIGILL, ILL_ILLADR, (void __user *)addr, 0);
break;
case HV_FAULT_TYPE_MCD_DIS:
- force_sig_fault(SIGSEGV, SEGV_ACCADI, (void __user *)addr, 0,
- current);
+ force_sig_fault(SIGSEGV, SEGV_ACCADI, (void __user *)addr, 0);
break;
default:
- force_sig_fault(SIGSEGV, SEGV_MAPERR, (void __user *)addr, 0,
- current);
+ force_sig_fault(SIGSEGV, SEGV_MAPERR, (void __user *)addr, 0);
break;
}
}
@@ -572,7 +569,7 @@ static void spitfire_ue_log(unsigned long afsr, unsigned long afar, unsigned lon
regs->tpc &= 0xffffffff;
regs->tnpc &= 0xffffffff;
}
- force_sig_fault(SIGBUS, BUS_OBJERR, (void *)0, 0, current);
+ force_sig_fault(SIGBUS, BUS_OBJERR, (void *)0, 0);
}
void spitfire_access_error(struct pt_regs *regs, unsigned long status_encoded, unsigned long afar)
@@ -2074,7 +2071,7 @@ void do_mcd_err(struct pt_regs *regs, struct sun4v_error_entry ent)
* code
*/
force_sig_fault(SIGSEGV, SEGV_ADIDERR, (void __user *)ent.err_raddr,
- 0, current);
+ 0);
}
/* We run with %pil set to PIL_NORMAL_MAX and PSTATE_IE enabled in %pstate.
@@ -2182,13 +2179,13 @@ bool sun4v_nonresum_error_user_handled(struct pt_regs *regs,
addr += PAGE_SIZE;
}
}
- force_sig(SIGKILL, current);
+ force_sig(SIGKILL);
return true;
}
if (attrs & SUN4V_ERR_ATTRS_PIO) {
force_sig_fault(SIGBUS, BUS_ADRERR,
- (void __user *)sun4v_get_vaddr(regs), 0, current);
+ (void __user *)sun4v_get_vaddr(regs), 0);
return true;
}
@@ -2345,7 +2342,7 @@ static void do_fpe_common(struct pt_regs *regs)
code = FPE_FLTRES;
}
force_sig_fault(SIGFPE, code,
- (void __user *)regs->tpc, 0, current);
+ (void __user *)regs->tpc, 0);
}
}
@@ -2400,7 +2397,7 @@ void do_tof(struct pt_regs *regs)
regs->tnpc &= 0xffffffff;
}
force_sig_fault(SIGEMT, EMT_TAGOVF,
- (void __user *)regs->tpc, 0, current);
+ (void __user *)regs->tpc, 0);
out:
exception_exit(prev_state);
}
@@ -2420,7 +2417,7 @@ void do_div0(struct pt_regs *regs)
regs->tnpc &= 0xffffffff;
}
force_sig_fault(SIGFPE, FPE_INTDIV,
- (void __user *)regs->tpc, 0, current);
+ (void __user *)regs->tpc, 0);
out:
exception_exit(prev_state);
}
@@ -2616,7 +2613,7 @@ void do_illegal_instruction(struct pt_regs *regs)
}
}
}
- force_sig_fault(SIGILL, ILL_ILLOPC, (void __user *)pc, 0, current);
+ force_sig_fault(SIGILL, ILL_ILLOPC, (void __user *)pc, 0);
out:
exception_exit(prev_state);
}
@@ -2636,7 +2633,7 @@ void mem_address_unaligned(struct pt_regs *regs, unsigned long sfar, unsigned lo
if (is_no_fault_exception(regs))
return;
- force_sig_fault(SIGBUS, BUS_ADRALN, (void __user *)sfar, 0, current);
+ force_sig_fault(SIGBUS, BUS_ADRALN, (void __user *)sfar, 0);
out:
exception_exit(prev_state);
}
@@ -2654,7 +2651,7 @@ void sun4v_do_mna(struct pt_regs *regs, unsigned long addr, unsigned long type_c
if (is_no_fault_exception(regs))
return;
- force_sig_fault(SIGBUS, BUS_ADRALN, (void __user *) addr, 0, current);
+ force_sig_fault(SIGBUS, BUS_ADRALN, (void __user *) addr, 0);
}
/* sun4v_mem_corrupt_detect_precise() - Handle precise exception on an ADI
@@ -2701,7 +2698,7 @@ void sun4v_mem_corrupt_detect_precise(struct pt_regs *regs, unsigned long addr,
regs->tpc &= 0xffffffff;
regs->tnpc &= 0xffffffff;
}
- force_sig_fault(SIGSEGV, SEGV_ADIPERR, (void __user *)addr, 0, current);
+ force_sig_fault(SIGSEGV, SEGV_ADIPERR, (void __user *)addr, 0);
}
void do_privop(struct pt_regs *regs)
@@ -2717,7 +2714,7 @@ void do_privop(struct pt_regs *regs)
regs->tnpc &= 0xffffffff;
}
force_sig_fault(SIGILL, ILL_PRVOPC,
- (void __user *)regs->tpc, 0, current);
+ (void __user *)regs->tpc, 0);
out:
exception_exit(prev_state);
}
diff --git a/arch/sparc/mm/fault_32.c b/arch/sparc/mm/fault_32.c
index b0440b0edd97..8d69de111470 100644
--- a/arch/sparc/mm/fault_32.c
+++ b/arch/sparc/mm/fault_32.c
@@ -131,7 +131,7 @@ static void __do_fault_siginfo(int code, int sig, struct pt_regs *regs,
show_signal_msg(regs, sig, code,
addr, current);
- force_sig_fault(sig, code, (void __user *) addr, 0, current);
+ force_sig_fault(sig, code, (void __user *) addr, 0);
}
static unsigned long compute_si_addr(struct pt_regs *regs, int text_fault)
@@ -425,7 +425,7 @@ do_sigbus:
static void check_stack_aligned(unsigned long sp)
{
if (sp & 0x7UL)
- force_sig(SIGILL, current);
+ force_sig(SIGILL);
}
void window_overflow_fault(void)
diff --git a/arch/sparc/mm/fault_64.c b/arch/sparc/mm/fault_64.c
index 8f8a604c1300..83fda4d9c3b2 100644
--- a/arch/sparc/mm/fault_64.c
+++ b/arch/sparc/mm/fault_64.c
@@ -187,7 +187,7 @@ static void do_fault_siginfo(int code, int sig, struct pt_regs *regs,
if (unlikely(show_unhandled_signals))
show_signal_msg(regs, sig, code, addr, current);
- force_sig_fault(sig, code, (void __user *) addr, 0, current);
+ force_sig_fault(sig, code, (void __user *) addr, 0);
}
static unsigned int get_fault_insn(struct pt_regs *regs, unsigned int insn)
diff --git a/arch/sparc/mm/ultra.S b/arch/sparc/mm/ultra.S
index d245f89d1395..d220b6848746 100644
--- a/arch/sparc/mm/ultra.S
+++ b/arch/sparc/mm/ultra.S
@@ -587,7 +587,7 @@ xcall_flush_tlb_kernel_range: /* 44 insns */
sub %g7, %g1, %g3
srlx %g3, 18, %g2
brnz,pn %g2, 2f
- add %g2, 1, %g2
+ sethi %hi(PAGE_SIZE), %g2
sub %g3, %g2, %g3
or %g1, 0x20, %g1 ! Nucleus
1: stxa %g0, [%g1 + %g3] ASI_DMMU_DEMAP
@@ -751,7 +751,7 @@ __cheetah_xcall_flush_tlb_kernel_range: /* 44 insns */
sub %g7, %g1, %g3
srlx %g3, 18, %g2
brnz,pn %g2, 2f
- add %g2, 1, %g2
+ sethi %hi(PAGE_SIZE), %g2
sub %g3, %g2, %g3
or %g1, 0x20, %g1 ! Nucleus
1: stxa %g0, [%g1 + %g3] ASI_DMMU_DEMAP
diff --git a/arch/sparc/net/bpf_jit_comp_64.c b/arch/sparc/net/bpf_jit_comp_64.c
index 65428e79b2f3..3364e2a00989 100644
--- a/arch/sparc/net/bpf_jit_comp_64.c
+++ b/arch/sparc/net/bpf_jit_comp_64.c
@@ -908,6 +908,8 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx)
/* dst = src */
case BPF_ALU | BPF_MOV | BPF_X:
emit_alu3_K(SRL, src, 0, dst, ctx);
+ if (insn_is_zext(&insn[1]))
+ return 1;
break;
case BPF_ALU64 | BPF_MOV | BPF_X:
emit_reg_move(src, dst, ctx);
@@ -942,6 +944,8 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx)
case BPF_ALU | BPF_DIV | BPF_X:
emit_write_y(G0, ctx);
emit_alu(DIV, src, dst, ctx);
+ if (insn_is_zext(&insn[1]))
+ return 1;
break;
case BPF_ALU64 | BPF_DIV | BPF_X:
emit_alu(UDIVX, src, dst, ctx);
@@ -975,6 +979,8 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx)
break;
case BPF_ALU | BPF_RSH | BPF_X:
emit_alu(SRL, src, dst, ctx);
+ if (insn_is_zext(&insn[1]))
+ return 1;
break;
case BPF_ALU64 | BPF_RSH | BPF_X:
emit_alu(SRLX, src, dst, ctx);
@@ -997,9 +1003,12 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx)
case 16:
emit_alu_K(SLL, dst, 16, ctx);
emit_alu_K(SRL, dst, 16, ctx);
+ if (insn_is_zext(&insn[1]))
+ return 1;
break;
case 32:
- emit_alu_K(SRL, dst, 0, ctx);
+ if (!ctx->prog->aux->verifier_zext)
+ emit_alu_K(SRL, dst, 0, ctx);
break;
case 64:
/* nop */
@@ -1021,6 +1030,8 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx)
emit_alu3_K(AND, dst, 0xff, dst, ctx);
emit_alu3_K(SLL, tmp, 8, tmp, ctx);
emit_alu(OR, tmp, dst, ctx);
+ if (insn_is_zext(&insn[1]))
+ return 1;
break;
case 32:
@@ -1037,6 +1048,8 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx)
emit_alu3_K(AND, dst, 0xff, dst, ctx); /* dst = dst & 0xff */
emit_alu3_K(SLL, dst, 24, dst, ctx); /* dst = dst << 24 */
emit_alu(OR, tmp, dst, ctx); /* dst = dst | tmp */
+ if (insn_is_zext(&insn[1]))
+ return 1;
break;
case 64:
@@ -1050,6 +1063,8 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx)
/* dst = imm */
case BPF_ALU | BPF_MOV | BPF_K:
emit_loadimm32(imm, dst, ctx);
+ if (insn_is_zext(&insn[1]))
+ return 1;
break;
case BPF_ALU64 | BPF_MOV | BPF_K:
emit_loadimm_sext(imm, dst, ctx);
@@ -1132,6 +1147,8 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx)
break;
case BPF_ALU | BPF_RSH | BPF_K:
emit_alu_K(SRL, dst, imm, ctx);
+ if (insn_is_zext(&insn[1]))
+ return 1;
break;
case BPF_ALU64 | BPF_RSH | BPF_K:
emit_alu_K(SRLX, dst, imm, ctx);
@@ -1144,7 +1161,8 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx)
break;
do_alu32_trunc:
- if (BPF_CLASS(code) == BPF_ALU)
+ if (BPF_CLASS(code) == BPF_ALU &&
+ !ctx->prog->aux->verifier_zext)
emit_alu_K(SRL, dst, 0, ctx);
break;
@@ -1265,6 +1283,8 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx)
rs2 = RS2(tmp);
}
emit(opcode | RS1(src) | rs2 | RD(dst), ctx);
+ if (opcode != LD64 && insn_is_zext(&insn[1]))
+ return 1;
break;
}
/* ST: *(size *)(dst + off) = imm */
@@ -1432,6 +1452,11 @@ static void jit_fill_hole(void *area, unsigned int size)
*ptr++ = 0x91d02005; /* ta 5 */
}
+bool bpf_jit_needs_zext(void)
+{
+ return true;
+}
+
struct sparc64_jit_data {
struct bpf_binary_header *header;
u8 *image;
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2025-05-01 12:20:10 +0200