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-rw-r--r--arch/parisc/boot/compressed/Makefile2
-rw-r--r--arch/parisc/configs/generic-32bit_defconfig1
-rw-r--r--arch/parisc/configs/generic-64bit_defconfig1
-rw-r--r--arch/parisc/include/asm/bug.h8
-rw-r--r--arch/parisc/kernel/asm-offsets.c2
-rw-r--r--arch/parisc/kernel/drivers.c8
-rw-r--r--arch/parisc/kernel/entry.S16
-rw-r--r--arch/parisc/kernel/perf_regs.c2
-rw-r--r--arch/parisc/kernel/syscalls/syscall.tbl1
-rw-r--r--arch/parisc/kernel/unwind.c13
10 files changed, 31 insertions, 23 deletions
diff --git a/arch/parisc/boot/compressed/Makefile b/arch/parisc/boot/compressed/Makefile
index 17c42d718eb3..f8481e4e9d21 100644
--- a/arch/parisc/boot/compressed/Makefile
+++ b/arch/parisc/boot/compressed/Makefile
@@ -18,7 +18,7 @@ KBUILD_CFLAGS += -fno-PIE -mno-space-regs -mdisable-fpregs -Os
ifndef CONFIG_64BIT
KBUILD_CFLAGS += -mfast-indirect-calls
endif
-KBUILD_CFLAGS += -std=gnu11
+KBUILD_CFLAGS += -std=gnu11 -fms-extensions
LDFLAGS_vmlinux := -X -e startup --as-needed -T
$(obj)/vmlinux: $(obj)/vmlinux.lds $(addprefix $(obj)/, $(OBJECTS)) $(LIBGCC) FORCE
diff --git a/arch/parisc/configs/generic-32bit_defconfig b/arch/parisc/configs/generic-32bit_defconfig
index 52031bde9f17..5444ce6405f3 100644
--- a/arch/parisc/configs/generic-32bit_defconfig
+++ b/arch/parisc/configs/generic-32bit_defconfig
@@ -119,7 +119,6 @@ CONFIG_INPUT_MISC=y
CONFIG_INPUT_UINPUT=m
CONFIG_LEGACY_PTY_COUNT=64
CONFIG_SERIAL_8250=y
-# CONFIG_SERIAL_8250_DEPRECATED_OPTIONS is not set
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_8250_NR_UARTS=8
CONFIG_SERIAL_8250_EXTENDED=y
diff --git a/arch/parisc/configs/generic-64bit_defconfig b/arch/parisc/configs/generic-64bit_defconfig
index 1aec04c09d0b..ce91f9d1fdbf 100644
--- a/arch/parisc/configs/generic-64bit_defconfig
+++ b/arch/parisc/configs/generic-64bit_defconfig
@@ -158,7 +158,6 @@ CONFIG_SERIO_SERPORT=m
CONFIG_SERIO_RAW=m
# CONFIG_LEGACY_PTYS is not set
CONFIG_SERIAL_8250=y
-# CONFIG_SERIAL_8250_DEPRECATED_OPTIONS is not set
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_8250_NR_UARTS=8
CONFIG_SERIAL_8250_RUNTIME_UARTS=8
diff --git a/arch/parisc/include/asm/bug.h b/arch/parisc/include/asm/bug.h
index 833555f74ffa..5cf35489ad80 100644
--- a/arch/parisc/include/asm/bug.h
+++ b/arch/parisc/include/asm/bug.h
@@ -2,8 +2,6 @@
#ifndef _PARISC_BUG_H
#define _PARISC_BUG_H
-#include <linux/kernel.h> /* for BUGFLAG_TAINT */
-
/*
* Tell the user there is some problem.
* The offending file and line are encoded in the __bug_table section.
@@ -50,7 +48,7 @@
#endif
#ifdef CONFIG_DEBUG_BUGVERBOSE
-#define __WARN_FLAGS(flags) \
+#define __WARN_FLAGS(cond_str, flags) \
do { \
asm volatile("\n" \
"1:\t" PARISC_BUG_BREAK_ASM "\n" \
@@ -61,12 +59,12 @@
"\t.short %1, %2\n" \
"\t.blockz %3-2*4-2*2\n" \
"\t.popsection" \
- : : "i" (__FILE__), "i" (__LINE__), \
+ : : "i" (WARN_CONDITION_STR(cond_str) __FILE__), "i" (__LINE__), \
"i" (BUGFLAG_WARNING|(flags)), \
"i" (sizeof(struct bug_entry)) ); \
} while(0)
#else
-#define __WARN_FLAGS(flags) \
+#define __WARN_FLAGS(cond_str, flags) \
do { \
asm volatile("\n" \
"1:\t" PARISC_BUG_BREAK_ASM "\n" \
diff --git a/arch/parisc/kernel/asm-offsets.c b/arch/parisc/kernel/asm-offsets.c
index 9abfe65492c6..3de4b5933b10 100644
--- a/arch/parisc/kernel/asm-offsets.c
+++ b/arch/parisc/kernel/asm-offsets.c
@@ -258,6 +258,8 @@ int main(void)
BLANK();
DEFINE(TIF_BLOCKSTEP_PA_BIT, 31-TIF_BLOCKSTEP);
DEFINE(TIF_SINGLESTEP_PA_BIT, 31-TIF_SINGLESTEP);
+ DEFINE(TIF_32BIT_PA_BIT, 31-TIF_32BIT);
+
BLANK();
DEFINE(ASM_PMD_SHIFT, PMD_SHIFT);
DEFINE(ASM_PGDIR_SHIFT, PGDIR_SHIFT);
diff --git a/arch/parisc/kernel/drivers.c b/arch/parisc/kernel/drivers.c
index 1f8936fc2292..8d23fe42b0ce 100644
--- a/arch/parisc/kernel/drivers.c
+++ b/arch/parisc/kernel/drivers.c
@@ -1043,11 +1043,7 @@ static __init int qemu_print_iodc_data(struct device *lin_dev, void *data)
(unsigned char)mod_path.path.bc[3],
(unsigned char)mod_path.path.bc[4],
(unsigned char)mod_path.path.bc[5]);
- pr_cont(".mod = 0x%x ", mod_path.path.mod);
- pr_cont(" },\n");
- pr_cont("\t.layers = { 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x }\n",
- mod_path.layers[0], mod_path.layers[1], mod_path.layers[2],
- mod_path.layers[3], mod_path.layers[4], mod_path.layers[5]);
+ pr_cont(".mod = 0x%x }\n", mod_path.path.mod);
pr_cont("};\n");
pr_info("static struct pdc_iodc iodc_data_hpa_%08lx = {\n", hpa);
@@ -1067,8 +1063,6 @@ static __init int qemu_print_iodc_data(struct device *lin_dev, void *data)
DO(checksum);
DO(length);
#undef DO
- pr_cont("\t/* pad: 0x%04x, 0x%04x */\n",
- iodc_data.pad[0], iodc_data.pad[1]);
pr_cont("};\n");
pr_info("#define HPA_%08lx_num_addr %d\n", hpa, dev->num_addrs);
diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S
index f4bf61a34701..e04c5d806c10 100644
--- a/arch/parisc/kernel/entry.S
+++ b/arch/parisc/kernel/entry.S
@@ -1059,8 +1059,6 @@ ENTRY_CFI(intr_save) /* for os_hpmc */
STREG %r17, PT_IOR(%r29)
#if defined(CONFIG_64BIT)
- b,n intr_save2
-
skip_save_ior:
/* We have a itlb miss, and when executing code above 4 Gb on ILP64, we
* need to adjust iasq/iaoq here in the same way we adjusted isr/ior
@@ -1069,10 +1067,17 @@ skip_save_ior:
bb,COND(>=),n %r8,PSW_W_BIT,intr_save2
LDREG PT_IASQ0(%r29), %r16
LDREG PT_IAOQ0(%r29), %r17
- /* adjust iasq/iaoq */
+ /* adjust iasq0/iaoq0 */
space_adjust %r16,%r17,%r1
STREG %r16, PT_IASQ0(%r29)
STREG %r17, PT_IAOQ0(%r29)
+
+ LDREG PT_IASQ1(%r29), %r16
+ LDREG PT_IAOQ1(%r29), %r17
+ /* adjust iasq1/iaoq1 */
+ space_adjust %r16,%r17,%r1
+ STREG %r16, PT_IASQ1(%r29)
+ STREG %r17, PT_IAOQ1(%r29)
#else
skip_save_ior:
#endif
@@ -1841,6 +1846,10 @@ syscall_restore_rfi:
extru,= %r19,TIF_BLOCKSTEP_PA_BIT,1,%r0
depi -1,7,1,%r20 /* T bit */
+#ifdef CONFIG_64BIT
+ extru,<> %r19,TIF_32BIT_PA_BIT,1,%r0
+ depi -1,4,1,%r20 /* W bit */
+#endif
STREG %r20,TASK_PT_PSW(%r1)
/* Always store space registers, since sr3 can be changed (e.g. fork) */
@@ -1854,7 +1863,6 @@ syscall_restore_rfi:
STREG %r25,TASK_PT_IASQ0(%r1)
STREG %r25,TASK_PT_IASQ1(%r1)
- /* XXX W bit??? */
/* Now if old D bit is clear, it means we didn't save all registers
* on syscall entry, so do that now. This only happens on TRACEME
* calls, or if someone attached to us while we were on a syscall.
diff --git a/arch/parisc/kernel/perf_regs.c b/arch/parisc/kernel/perf_regs.c
index 68458e2f6197..10a1a5f06a18 100644
--- a/arch/parisc/kernel/perf_regs.c
+++ b/arch/parisc/kernel/perf_regs.c
@@ -27,7 +27,7 @@ u64 perf_reg_value(struct pt_regs *regs, int idx)
return regs->ior;
case PERF_REG_PARISC_IPSW: /* CR22 */
return regs->ipsw;
- };
+ }
WARN_ON_ONCE((u32)idx >= PERF_REG_PARISC_MAX);
return 0;
}
diff --git a/arch/parisc/kernel/syscalls/syscall.tbl b/arch/parisc/kernel/syscalls/syscall.tbl
index 88a788a7b18d..39bdacaa530b 100644
--- a/arch/parisc/kernel/syscalls/syscall.tbl
+++ b/arch/parisc/kernel/syscalls/syscall.tbl
@@ -468,3 +468,4 @@
467 common open_tree_attr sys_open_tree_attr
468 common file_getattr sys_file_getattr
469 common file_setattr sys_file_setattr
+470 common listns sys_listns
diff --git a/arch/parisc/kernel/unwind.c b/arch/parisc/kernel/unwind.c
index f7e0fee5ee55..7ac88ff13d3c 100644
--- a/arch/parisc/kernel/unwind.c
+++ b/arch/parisc/kernel/unwind.c
@@ -35,6 +35,8 @@
#define KERNEL_START (KERNEL_BINARY_TEXT_START)
+#define ALIGNMENT_OK(ptr, type) (((ptr) & (sizeof(type) - 1)) == 0)
+
extern struct unwind_table_entry __start___unwind[];
extern struct unwind_table_entry __stop___unwind[];
@@ -257,12 +259,15 @@ static int unwind_special(struct unwind_frame_info *info, unsigned long pc, int
if (pc_is_kernel_fn(pc, _switch_to) ||
pc == (unsigned long)&_switch_to_ret) {
info->prev_sp = info->sp - CALLEE_SAVE_FRAME_SIZE;
- info->prev_ip = *(unsigned long *)(info->prev_sp - RP_OFFSET);
+ if (ALIGNMENT_OK(info->prev_sp, long))
+ info->prev_ip = *(unsigned long *)(info->prev_sp - RP_OFFSET);
+ else
+ info->prev_ip = info->prev_sp = 0;
return 1;
}
#ifdef CONFIG_IRQSTACKS
- if (pc == (unsigned long)&_call_on_stack) {
+ if (pc == (unsigned long)&_call_on_stack && ALIGNMENT_OK(info->sp, long)) {
info->prev_sp = *(unsigned long *)(info->sp - FRAME_SIZE - REG_SZ);
info->prev_ip = *(unsigned long *)(info->sp - FRAME_SIZE - RP_OFFSET);
return 1;
@@ -370,8 +375,10 @@ static void unwind_frame_regs(struct unwind_frame_info *info)
info->prev_sp = info->sp - frame_size;
if (e->Millicode)
info->rp = info->r31;
- else if (rpoffset)
+ else if (rpoffset && ALIGNMENT_OK(info->prev_sp, long))
info->rp = *(unsigned long *)(info->prev_sp - rpoffset);
+ else
+ info->rp = 0;
info->prev_ip = info->rp;
info->rp = 0;
}
generated by cgit v1.2.3 (git 2.46.0) at 2025-12-07 20:03:29 +0000