summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--Documentation/admin-guide/sysctl/kernel.rst2
-rw-r--r--arch/parisc/Kconfig2
-rw-r--r--arch/parisc/include/asm/unistd.h54
-rw-r--r--arch/parisc/include/asm/vdso.h2
-rw-r--r--arch/parisc/kernel/cache.c6
-rw-r--r--arch/parisc/kernel/unaligned.c2
-rw-r--r--arch/parisc/kernel/vdso32/Makefile24
-rw-r--r--arch/parisc/kernel/vdso32/vdso32.lds.S3
-rw-r--r--arch/parisc/kernel/vdso32/vdso32_generic.c32
-rw-r--r--arch/parisc/kernel/vdso64/Makefile25
-rw-r--r--arch/parisc/kernel/vdso64/vdso64.lds.S2
-rw-r--r--arch/parisc/kernel/vdso64/vdso64_generic.c24
12 files changed, 125 insertions, 53 deletions
diff --git a/Documentation/admin-guide/sysctl/kernel.rst b/Documentation/admin-guide/sysctl/kernel.rst
index 7fd43947832f..f8bc1630eba0 100644
--- a/Documentation/admin-guide/sysctl/kernel.rst
+++ b/Documentation/admin-guide/sysctl/kernel.rst
@@ -454,7 +454,7 @@ ignore-unaligned-usertrap
On architectures where unaligned accesses cause traps, and where this
feature is supported (``CONFIG_SYSCTL_ARCH_UNALIGN_NO_WARN``;
-currently, ``arc`` and ``loongarch``), controls whether all
+currently, ``arc``, ``parisc`` and ``loongarch``), controls whether all
unaligned traps are logged.
= =============================================================
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index dc9b902de8ea..5d650e02cbf4 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -46,6 +46,7 @@ config PARISC
select GENERIC_CPU_DEVICES if !SMP
select GENERIC_LIB_DEVMEM_IS_ALLOWED
select SYSCTL_ARCH_UNALIGN_ALLOW
+ select SYSCTL_ARCH_UNALIGN_NO_WARN
select SYSCTL_EXCEPTION_TRACE
select HAVE_MOD_ARCH_SPECIFIC
select MODULES_USE_ELF_RELA
@@ -86,6 +87,7 @@ config PARISC
select HAVE_SOFTIRQ_ON_OWN_STACK if IRQSTACKS
select TRACE_IRQFLAGS_SUPPORT
select HAVE_FUNCTION_DESCRIPTORS if 64BIT
+ select PCI_MSI_ARCH_FALLBACKS if PCI_MSI
help
The PA-RISC microprocessor is designed by Hewlett-Packard and used
diff --git a/arch/parisc/include/asm/unistd.h b/arch/parisc/include/asm/unistd.h
index 98851ff7699a..a97c0fd55f91 100644
--- a/arch/parisc/include/asm/unistd.h
+++ b/arch/parisc/include/asm/unistd.h
@@ -20,7 +20,7 @@
* sysdeps/unix/sysv/linux/hppa/sysdep.h
*/
-#ifdef PIC
+#ifndef DONT_USE_PIC
/* WARNING: CANNOT BE USED IN A NOP! */
# define K_STW_ASM_PIC " copy %%r19, %%r4\n"
# define K_LDW_ASM_PIC " copy %%r4, %%r19\n"
@@ -43,7 +43,7 @@
across the syscall. */
#define K_CALL_CLOB_REGS "%r1", "%r2", K_USING_GR4 \
- "%r20", "%r29", "%r31"
+ "%r20", "%r29", "%r31"
#undef K_INLINE_SYSCALL
#define K_INLINE_SYSCALL(name, nr, args...) ({ \
@@ -58,7 +58,7 @@
" ldi %1, %%r20\n" \
K_LDW_ASM_PIC \
: "=r" (__res) \
- : "i" (SYS_ify(name)) K_ASM_ARGS_##nr \
+ : "i" (name) K_ASM_ARGS_##nr \
: "memory", K_CALL_CLOB_REGS K_CLOB_ARGS_##nr \
); \
__sys_res = (long)__res; \
@@ -104,42 +104,18 @@
#define K_CLOB_ARGS_1 K_CLOB_ARGS_2, "%r25"
#define K_CLOB_ARGS_0 K_CLOB_ARGS_1, "%r26"
-#define _syscall0(type,name) \
-type name(void) \
-{ \
- return K_INLINE_SYSCALL(name, 0); \
-}
-
-#define _syscall1(type,name,type1,arg1) \
-type name(type1 arg1) \
-{ \
- return K_INLINE_SYSCALL(name, 1, arg1); \
-}
-
-#define _syscall2(type,name,type1,arg1,type2,arg2) \
-type name(type1 arg1, type2 arg2) \
-{ \
- return K_INLINE_SYSCALL(name, 2, arg1, arg2); \
-}
-
-#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
-type name(type1 arg1, type2 arg2, type3 arg3) \
-{ \
- return K_INLINE_SYSCALL(name, 3, arg1, arg2, arg3); \
-}
-
-#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
-type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
-{ \
- return K_INLINE_SYSCALL(name, 4, arg1, arg2, arg3, arg4); \
-}
-
-/* select takes 5 arguments */
-#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5) \
-type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) \
-{ \
- return K_INLINE_SYSCALL(name, 5, arg1, arg2, arg3, arg4, arg5); \
-}
+#define syscall0(name) \
+ K_INLINE_SYSCALL(name, 0)
+#define syscall1(name, arg1) \
+ K_INLINE_SYSCALL(name, 1, arg1)
+#define syscall2(name, arg1, arg2) \
+ K_INLINE_SYSCALL(name, 2, arg1, arg2)
+#define syscall3(name, arg1, arg2, arg3) \
+ K_INLINE_SYSCALL(name, 3, arg1, arg2, arg3)
+#define syscall4(name, arg1, arg2, arg3, arg4) \
+ K_INLINE_SYSCALL(name, 4, arg1, arg2, arg3, arg4)
+#define syscall5(name, arg1, arg2, arg3, arg4, arg5) \
+ K_INLINE_SYSCALL(name, 5, arg1, arg2, arg3, arg4, arg5)
#define __ARCH_WANT_NEW_STAT
#define __ARCH_WANT_STAT64
diff --git a/arch/parisc/include/asm/vdso.h b/arch/parisc/include/asm/vdso.h
index ef8206193f82..2a2dc11b5545 100644
--- a/arch/parisc/include/asm/vdso.h
+++ b/arch/parisc/include/asm/vdso.h
@@ -19,6 +19,6 @@ extern struct vdso_data *vdso_data;
/* Default link addresses for the vDSOs */
#define VDSO_LBASE 0
-#define VDSO_VERSION_STRING LINUX_5.18
+#define VDSO_VERSION_STRING LINUX_6.11
#endif /* __PARISC_VDSO_H__ */
diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c
index 483bfafd930c..db531e58d70e 100644
--- a/arch/parisc/kernel/cache.c
+++ b/arch/parisc/kernel/cache.c
@@ -611,11 +611,7 @@ void __init parisc_setup_cache_timing(void)
threshold/1024);
set_tlb_threshold:
- if (threshold > FLUSH_TLB_THRESHOLD)
- parisc_tlb_flush_threshold = threshold;
- else
- parisc_tlb_flush_threshold = FLUSH_TLB_THRESHOLD;
-
+ parisc_tlb_flush_threshold = max(threshold, FLUSH_TLB_THRESHOLD);
printk(KERN_INFO "TLB flush threshold set to %lu KiB\n",
parisc_tlb_flush_threshold/1024);
}
diff --git a/arch/parisc/kernel/unaligned.c b/arch/parisc/kernel/unaligned.c
index 71e596ca5a86..3e79e40e361d 100644
--- a/arch/parisc/kernel/unaligned.c
+++ b/arch/parisc/kernel/unaligned.c
@@ -104,6 +104,7 @@
#define ERR_NOTHANDLED -1
int unaligned_enabled __read_mostly = 1;
+int no_unaligned_warning __read_mostly;
static int emulate_ldh(struct pt_regs *regs, int toreg)
{
@@ -399,6 +400,7 @@ void handle_unaligned(struct pt_regs *regs)
} else {
static DEFINE_RATELIMIT_STATE(kernel_ratelimit, 5 * HZ, 5);
if (!(current->thread.flags & PARISC_UAC_NOPRINT) &&
+ !no_unaligned_warning &&
__ratelimit(&kernel_ratelimit))
pr_warn("Kernel: unaligned access to " RFMT " in %pS "
"(iir " RFMT ")\n",
diff --git a/arch/parisc/kernel/vdso32/Makefile b/arch/parisc/kernel/vdso32/Makefile
index 1350d50c6306..2b36d25ada6e 100644
--- a/arch/parisc/kernel/vdso32/Makefile
+++ b/arch/parisc/kernel/vdso32/Makefile
@@ -1,11 +1,25 @@
-# List of files in the vdso, has to be asm only for now
+# Include the generic Makefile to check the built vdso.
+include $(srctree)/lib/vdso/Makefile
+
+KCOV_INSTRUMENT := n
+
+# Disable gcov profiling, ubsan and kasan for VDSO code
+GCOV_PROFILE := n
+UBSAN_SANITIZE := n
+KASAN_SANITIZE := n
+KCSAN_SANITIZE := n
obj-vdso32 = note.o sigtramp.o restart_syscall.o
+obj-cvdso32 = vdso32_generic.o
# Build rules
-targets := $(obj-vdso32) vdso32.so
+targets := $(obj-vdso32) $(obj-cvdso32) vdso32.so
obj-vdso32 := $(addprefix $(obj)/, $(obj-vdso32))
+obj-cvdso32 := $(addprefix $(obj)/, $(obj-cvdso32))
+
+VDSO_CFLAGS_REMOVE := -pg $(CC_FLAGS_FTRACE)
+CFLAGS_REMOVE_vdso32_generic.o = $(VDSO_CFLAGS_REMOVE)
ccflags-y := -shared -fno-common -fbuiltin -mno-fast-indirect-calls -O2 -mno-long-calls
# -march=1.1 -mschedule=7100LC
@@ -26,18 +40,22 @@ $(obj)/vdso32_wrapper.o : $(obj)/vdso32.so FORCE
# Force dependency (incbin is bad)
# link rule for the .so file, .lds has to be first
-$(obj)/vdso32.so: $(obj)/vdso32.lds $(obj-vdso32) $(VDSO_LIBGCC) FORCE
+$(obj)/vdso32.so: $(obj)/vdso32.lds $(obj-vdso32) $(obj-cvdso32) $(VDSO_LIBGCC) FORCE
$(call if_changed,vdso32ld)
# assembly rules for the .S files
$(obj-vdso32): %.o: %.S FORCE
$(call if_changed_dep,vdso32as)
+$(obj-cvdso32): %.o: %.c FORCE
+ $(call if_changed_dep,vdso32cc)
# actual build commands
quiet_cmd_vdso32ld = VDSO32L $@
cmd_vdso32ld = $(CROSS32CC) $(c_flags) -Wl,-T $(filter-out FORCE, $^) -o $@
quiet_cmd_vdso32as = VDSO32A $@
cmd_vdso32as = $(CROSS32CC) $(a_flags) -c -o $@ $<
+quiet_cmd_vdso32cc = VDSO32C $@
+ cmd_vdso32cc = $(CROSS32CC) $(c_flags) -c -o $@ $<
# Generate VDSO offsets using helper script
gen-vdsosym := $(src)/gen_vdso_offsets.sh
diff --git a/arch/parisc/kernel/vdso32/vdso32.lds.S b/arch/parisc/kernel/vdso32/vdso32.lds.S
index d4aff3af5262..4273baa26b65 100644
--- a/arch/parisc/kernel/vdso32/vdso32.lds.S
+++ b/arch/parisc/kernel/vdso32/vdso32.lds.S
@@ -106,6 +106,9 @@ VERSION
global:
__kernel_sigtramp_rt32;
__kernel_restart_syscall32;
+ __vdso_gettimeofday;
+ __vdso_clock_gettime;
+ __vdso_clock_gettime64;
local: *;
};
}
diff --git a/arch/parisc/kernel/vdso32/vdso32_generic.c b/arch/parisc/kernel/vdso32/vdso32_generic.c
new file mode 100644
index 000000000000..8d5bd59e8646
--- /dev/null
+++ b/arch/parisc/kernel/vdso32/vdso32_generic.c
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include "asm/unistd.h"
+#include <linux/types.h>
+#include <uapi/asm/unistd_32.h>
+
+struct timezone;
+struct old_timespec32;
+struct __kernel_timespec;
+struct __kernel_old_timeval;
+
+/* forward declarations */
+int __vdso_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz);
+int __vdso_clock_gettime(clockid_t clock, struct old_timespec32 *ts);
+int __vdso_clock_gettime64(clockid_t clock, struct __kernel_timespec *ts);
+
+
+int __vdso_gettimeofday(struct __kernel_old_timeval *tv,
+ struct timezone *tz)
+{
+ return syscall2(__NR_gettimeofday, (long)tv, (long)tz);
+}
+
+int __vdso_clock_gettime(clockid_t clock, struct old_timespec32 *ts)
+{
+ return syscall2(__NR_clock_gettime, (long)clock, (long)ts);
+}
+
+int __vdso_clock_gettime64(clockid_t clock, struct __kernel_timespec *ts)
+{
+ return syscall2(__NR_clock_gettime64, (long)clock, (long)ts);
+}
diff --git a/arch/parisc/kernel/vdso64/Makefile b/arch/parisc/kernel/vdso64/Makefile
index 0b1c1cc4c2c7..bd87bd6a6659 100644
--- a/arch/parisc/kernel/vdso64/Makefile
+++ b/arch/parisc/kernel/vdso64/Makefile
@@ -1,12 +1,25 @@
-# List of files in the vdso, has to be asm only for now
+# Include the generic Makefile to check the built vdso.
+include $(srctree)/lib/vdso/Makefile
+
+KCOV_INSTRUMENT := n
+
+# Disable gcov profiling, ubsan and kasan for VDSO code
+GCOV_PROFILE := n
+UBSAN_SANITIZE := n
+KASAN_SANITIZE := n
+KCSAN_SANITIZE := n
obj-vdso64 = note.o sigtramp.o restart_syscall.o
+obj-cvdso64 = vdso64_generic.o
# Build rules
-targets := $(obj-vdso64) vdso64.so
-obj-vdso64 := $(addprefix $(obj)/, $(obj-vdso64))
+targets := $(obj-vdso64) $(obj-cvdso64) vdso64.so
+obj-vdso64 := $(addprefix $(obj)/, $(obj-vdso64))
+obj-cvdso64 := $(addprefix $(obj)/, $(obj-cvdso64))
+VDSO_CFLAGS_REMOVE := -pg $(CC_FLAGS_FTRACE)
+CFLAGS_REMOVE_vdso64_generic.o = $(VDSO_CFLAGS_REMOVE)
ccflags-y := -shared -fno-common -fno-builtin
ccflags-y += -nostdlib -Wl,-soname=linux-vdso64.so.1 \
@@ -26,18 +39,22 @@ $(obj)/vdso64_wrapper.o : $(obj)/vdso64.so FORCE
# Force dependency (incbin is bad)
# link rule for the .so file, .lds has to be first
-$(obj)/vdso64.so: $(obj)/vdso64.lds $(obj-vdso64) $(VDSO_LIBGCC) FORCE
+$(obj)/vdso64.so: $(obj)/vdso64.lds $(obj-vdso64) $(obj-cvdso64) $(VDSO_LIBGCC) FORCE
$(call if_changed,vdso64ld)
# assembly rules for the .S files
$(obj-vdso64): %.o: %.S FORCE
$(call if_changed_dep,vdso64as)
+$(obj-cvdso64): %.o: %.c FORCE
+ $(call if_changed_dep,vdso64cc)
# actual build commands
quiet_cmd_vdso64ld = VDSO64L $@
cmd_vdso64ld = $(CC) $(c_flags) -Wl,-T $(filter-out FORCE, $^) -o $@
quiet_cmd_vdso64as = VDSO64A $@
cmd_vdso64as = $(CC) $(a_flags) -c -o $@ $<
+quiet_cmd_vdso64cc = VDSO64C $@
+ cmd_vdso64cc = $(CC) $(c_flags) -c -o $@ $<
# Generate VDSO offsets using helper script
gen-vdsosym := $(src)/gen_vdso_offsets.sh
diff --git a/arch/parisc/kernel/vdso64/vdso64.lds.S b/arch/parisc/kernel/vdso64/vdso64.lds.S
index de1fb4b19286..10f25e4e1554 100644
--- a/arch/parisc/kernel/vdso64/vdso64.lds.S
+++ b/arch/parisc/kernel/vdso64/vdso64.lds.S
@@ -104,6 +104,8 @@ VERSION
global:
__kernel_sigtramp_rt64;
__kernel_restart_syscall64;
+ __vdso_gettimeofday;
+ __vdso_clock_gettime;
local: *;
};
}
diff --git a/arch/parisc/kernel/vdso64/vdso64_generic.c b/arch/parisc/kernel/vdso64/vdso64_generic.c
new file mode 100644
index 000000000000..fc6836a0075b
--- /dev/null
+++ b/arch/parisc/kernel/vdso64/vdso64_generic.c
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include "asm/unistd.h"
+#include <linux/types.h>
+
+struct timezone;
+struct __kernel_timespec;
+struct __kernel_old_timeval;
+
+/* forward declarations */
+int __vdso_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz);
+int __vdso_clock_gettime(clockid_t clock, struct __kernel_timespec *ts);
+
+
+int __vdso_gettimeofday(struct __kernel_old_timeval *tv,
+ struct timezone *tz)
+{
+ return syscall2(__NR_gettimeofday, (long)tv, (long)tz);
+}
+
+int __vdso_clock_gettime(clockid_t clock, struct __kernel_timespec *ts)
+{
+ return syscall2(__NR_clock_gettime, (long)clock, (long)ts);
+}
generated by cgit v1.2.3-70-g09d2 (git 2.47.1) at 2024-12-29 13:55:15 +0000