diff options
Diffstat (limited to 'arch/s390/kernel')
-rw-r--r-- | arch/s390/kernel/asm-offsets.c | 1 | ||||
-rw-r--r-- | arch/s390/kernel/compat_linux.c | 2 | ||||
-rw-r--r-- | arch/s390/kernel/early.c | 3 | ||||
-rw-r--r-- | arch/s390/kernel/entry.S | 8 | ||||
-rw-r--r-- | arch/s390/kernel/entry64.S | 8 | ||||
-rw-r--r-- | arch/s390/kernel/head.S | 3 | ||||
-rw-r--r-- | arch/s390/kernel/head64.S | 2 | ||||
-rw-r--r-- | arch/s390/kernel/ipl.c | 1 | ||||
-rw-r--r-- | arch/s390/kernel/kprobes.c | 1 | ||||
-rw-r--r-- | arch/s390/kernel/process.c | 2 | ||||
-rw-r--r-- | arch/s390/kernel/setup.c | 5 | ||||
-rw-r--r-- | arch/s390/kernel/smp.c | 7 | ||||
-rw-r--r-- | arch/s390/kernel/swsusp_asm64.S | 3 | ||||
-rw-r--r-- | arch/s390/kernel/sysinfo.c | 1 | ||||
-rw-r--r-- | arch/s390/kernel/time.c | 2 | ||||
-rw-r--r-- | arch/s390/kernel/topology.c | 3 | ||||
-rw-r--r-- | arch/s390/kernel/vdso32/clock_gettime.S | 12 | ||||
-rw-r--r-- | arch/s390/kernel/vdso32/gettimeofday.S | 6 | ||||
-rw-r--r-- | arch/s390/kernel/vdso64/clock_gettime.S | 4 | ||||
-rw-r--r-- | arch/s390/kernel/vdso64/gettimeofday.S | 2 |
20 files changed, 50 insertions, 26 deletions
diff --git a/arch/s390/kernel/asm-offsets.c b/arch/s390/kernel/asm-offsets.c index 08db736dded0..a09408952ed0 100644 --- a/arch/s390/kernel/asm-offsets.c +++ b/arch/s390/kernel/asm-offsets.c @@ -61,6 +61,7 @@ int main(void) DEFINE(__VDSO_WTOM_NSEC, offsetof(struct vdso_data, wtom_clock_nsec)); DEFINE(__VDSO_TIMEZONE, offsetof(struct vdso_data, tz_minuteswest)); DEFINE(__VDSO_ECTG_OK, offsetof(struct vdso_data, ectg_available)); + DEFINE(__VDSO_NTP_MULT, offsetof(struct vdso_data, ntp_mult)); DEFINE(__VDSO_ECTG_BASE, offsetof(struct vdso_per_cpu_data, ectg_timer_base)); DEFINE(__VDSO_ECTG_USER, offsetof(struct vdso_per_cpu_data, ectg_user_time)); /* constants used by the vdso */ diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c index 11c3aba664ea..73b624ed9cd8 100644 --- a/arch/s390/kernel/compat_linux.c +++ b/arch/s390/kernel/compat_linux.c @@ -29,7 +29,6 @@ #include <linux/sem.h> #include <linux/msg.h> #include <linux/shm.h> -#include <linux/slab.h> #include <linux/uio.h> #include <linux/quota.h> #include <linux/module.h> @@ -52,6 +51,7 @@ #include <linux/ptrace.h> #include <linux/fadvise.h> #include <linux/ipc.h> +#include <linux/slab.h> #include <asm/types.h> #include <asm/uaccess.h> diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c index 31d618a443af..2d92c2cf92d7 100644 --- a/arch/s390/kernel/early.c +++ b/arch/s390/kernel/early.c @@ -82,7 +82,8 @@ asm( " lm 6,15,24(15)\n" #endif " br 14\n" - " .size savesys_ipl_nss, .-savesys_ipl_nss\n"); + " .size savesys_ipl_nss, .-savesys_ipl_nss\n" + " .previous\n"); static __initdata char upper_command_line[COMMAND_LINE_SIZE]; diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S index 4348f9bc5393..6af7045280a8 100644 --- a/arch/s390/kernel/entry.S +++ b/arch/s390/kernel/entry.S @@ -964,7 +964,7 @@ cleanup_critical: clc 4(4,%r12),BASED(cleanup_table_io_work_loop) bl BASED(0f) clc 4(4,%r12),BASED(cleanup_table_io_work_loop+4) - bl BASED(cleanup_io_return) + bl BASED(cleanup_io_work_loop) 0: br %r14 @@ -1039,6 +1039,12 @@ cleanup_sysc_leave_insn: cleanup_io_return: mvc __LC_RETURN_PSW(4),0(%r12) + mvc __LC_RETURN_PSW+4(4),BASED(cleanup_table_io_return) + la %r12,__LC_RETURN_PSW + br %r14 + +cleanup_io_work_loop: + mvc __LC_RETURN_PSW(4),0(%r12) mvc __LC_RETURN_PSW+4(4),BASED(cleanup_table_io_work_loop) la %r12,__LC_RETURN_PSW br %r14 diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S index 29fd0f1e6ec4..52106d53271c 100644 --- a/arch/s390/kernel/entry64.S +++ b/arch/s390/kernel/entry64.S @@ -946,7 +946,7 @@ cleanup_critical: clc 8(8,%r12),BASED(cleanup_table_io_work_loop) jl 0f clc 8(8,%r12),BASED(cleanup_table_io_work_loop+8) - jl cleanup_io_return + jl cleanup_io_work_loop 0: br %r14 @@ -1021,6 +1021,12 @@ cleanup_sysc_leave_insn: cleanup_io_return: mvc __LC_RETURN_PSW(8),0(%r12) + mvc __LC_RETURN_PSW+8(8),BASED(cleanup_table_io_return) + la %r12,__LC_RETURN_PSW + br %r14 + +cleanup_io_work_loop: + mvc __LC_RETURN_PSW(8),0(%r12) mvc __LC_RETURN_PSW+8(8),BASED(cleanup_table_io_work_loop) la %r12,__LC_RETURN_PSW br %r14 diff --git a/arch/s390/kernel/head.S b/arch/s390/kernel/head.S index ca4a62bd862f..9d1f76702d47 100644 --- a/arch/s390/kernel/head.S +++ b/arch/s390/kernel/head.S @@ -517,7 +517,10 @@ startup: lhi %r1,2 # mode 2 = esame (dump) sigp %r1,%r0,0x12 # switch to esame mode sam64 # switch to 64 bit mode + larl %r13,4f + lmh %r0,%r15,0(%r13) # clear high-order half jg startup_continue +4: .fill 16,4,0x0 #else mvi __LC_AR_MODE_ID,0 # set ESA flag (mode 0) l %r13,4f-.LPG0(%r13) diff --git a/arch/s390/kernel/head64.S b/arch/s390/kernel/head64.S index 39580e768658..1f70970de0aa 100644 --- a/arch/s390/kernel/head64.S +++ b/arch/s390/kernel/head64.S @@ -21,7 +21,6 @@ startup_continue: larl %r1,sched_clock_base_cc mvc 0(8,%r1),__LC_LAST_UPDATE_CLOCK larl %r13,.LPG1 # get base - lmh %r0,%r15,.Lzero64-.LPG1(%r13) # clear high-order half lctlg %c0,%c15,.Lctl-.LPG1(%r13) # load control registers lg %r12,.Lparmaddr-.LPG1(%r13) # pointer to parameter area # move IPL device to lowcore @@ -67,7 +66,6 @@ startup_continue: .L4malign:.quad 0xffffffffffc00000 .Lscan2g:.quad 0x80000000 + 0x20000 - 8 # 2GB + 128K - 8 .Lnop: .long 0x07000700 -.Lzero64:.fill 16,4,0x0 .Lparmaddr: .quad PARMAREA .align 64 diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c index 7eedbbcb54aa..72c8b0d070c8 100644 --- a/arch/s390/kernel/ipl.c +++ b/arch/s390/kernel/ipl.c @@ -15,6 +15,7 @@ #include <linux/reboot.h> #include <linux/ctype.h> #include <linux/fs.h> +#include <linux/gfp.h> #include <asm/ipl.h> #include <asm/smp.h> #include <asm/setup.h> diff --git a/arch/s390/kernel/kprobes.c b/arch/s390/kernel/kprobes.c index 86783efa24ee..3d34eef5a2c3 100644 --- a/arch/s390/kernel/kprobes.c +++ b/arch/s390/kernel/kprobes.c @@ -29,6 +29,7 @@ #include <asm/cacheflush.h> #include <asm/sections.h> #include <linux/module.h> +#include <linux/slab.h> DEFINE_PER_CPU(struct kprobe *, current_kprobe) = NULL; DEFINE_PER_CPU(struct kprobe_ctlblk, kprobe_ctlblk); diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c index 00b6d1d292f2..1039fdea15b5 100644 --- a/arch/s390/kernel/process.c +++ b/arch/s390/kernel/process.c @@ -16,9 +16,9 @@ #include <linux/fs.h> #include <linux/smp.h> #include <linux/stddef.h> +#include <linux/slab.h> #include <linux/unistd.h> #include <linux/ptrace.h> -#include <linux/slab.h> #include <linux/vmalloc.h> #include <linux/user.h> #include <linux/interrupt.h> diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index 77a63ae419f0..91625f759ccd 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -25,7 +25,6 @@ #include <linux/stddef.h> #include <linux/unistd.h> #include <linux/ptrace.h> -#include <linux/slab.h> #include <linux/user.h> #include <linux/tty.h> #include <linux/ioport.h> @@ -401,7 +400,7 @@ setup_lowcore(void) * Setup lowcore for boot cpu */ BUILD_BUG_ON(sizeof(struct _lowcore) != LC_PAGES * 4096); - lc = __alloc_bootmem(LC_PAGES * PAGE_SIZE, LC_PAGES * PAGE_SIZE, 0); + lc = __alloc_bootmem_low(LC_PAGES * PAGE_SIZE, LC_PAGES * PAGE_SIZE, 0); lc->restart_psw.mask = PSW_BASE_BITS | PSW_DEFAULT_KEY; lc->restart_psw.addr = PSW_ADDR_AMODE | (unsigned long) restart_int_handler; @@ -433,7 +432,7 @@ setup_lowcore(void) #ifndef CONFIG_64BIT if (MACHINE_HAS_IEEE) { lc->extended_save_area_addr = (__u32) - __alloc_bootmem(PAGE_SIZE, PAGE_SIZE, 0); + __alloc_bootmem_low(PAGE_SIZE, PAGE_SIZE, 0); /* enable extended save area */ __ctl_set_bit(14, 29); } diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index 29f65bce55e1..e4d98de83dd8 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -36,6 +36,7 @@ #include <linux/cpu.h> #include <linux/timex.h> #include <linux/bootmem.h> +#include <linux/slab.h> #include <asm/asm-offsets.h> #include <asm/ipl.h> #include <asm/setup.h> @@ -292,9 +293,9 @@ static void __init smp_get_save_area(unsigned int cpu, unsigned int phy_cpu) zfcpdump_save_areas[cpu] = kmalloc(sizeof(struct save_area), GFP_KERNEL); while (raw_sigp(phy_cpu, sigp_stop_and_store_status) == sigp_busy) cpu_relax(); - memcpy(zfcpdump_save_areas[cpu], - (void *)(unsigned long) store_prefix() + SAVE_AREA_BASE, - sizeof(struct save_area)); + memcpy_real(zfcpdump_save_areas[cpu], + (void *)(unsigned long) store_prefix() + SAVE_AREA_BASE, + sizeof(struct save_area)); } struct save_area *zfcpdump_save_areas[NR_CPUS + 1]; diff --git a/arch/s390/kernel/swsusp_asm64.S b/arch/s390/kernel/swsusp_asm64.S index b354427e03b7..c56d3f56d020 100644 --- a/arch/s390/kernel/swsusp_asm64.S +++ b/arch/s390/kernel/swsusp_asm64.S @@ -256,6 +256,9 @@ restore_registers: lghi %r2,0 brasl %r14,arch_set_page_states + /* Reinitialize the channel subsystem */ + brasl %r14,channel_subsystem_reinit + /* Return 0 */ lmg %r6,%r15,STACK_FRAME_OVERHEAD + __SF_GPRS(%r15) lghi %r2,0 diff --git a/arch/s390/kernel/sysinfo.c b/arch/s390/kernel/sysinfo.c index b5e75e1061c8..a0ffc7717ed6 100644 --- a/arch/s390/kernel/sysinfo.c +++ b/arch/s390/kernel/sysinfo.c @@ -11,6 +11,7 @@ #include <linux/init.h> #include <linux/delay.h> #include <linux/module.h> +#include <linux/slab.h> #include <asm/ebcdic.h> #include <asm/sysinfo.h> #include <asm/cpcmd.h> diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c index aa2483e460f3..d906bf19c14a 100644 --- a/arch/s390/kernel/time.c +++ b/arch/s390/kernel/time.c @@ -36,6 +36,7 @@ #include <linux/notifier.h> #include <linux/clocksource.h> #include <linux/clockchips.h> +#include <linux/gfp.h> #include <asm/uaccess.h> #include <asm/delay.h> #include <asm/s390_ext.h> @@ -220,6 +221,7 @@ void update_vsyscall(struct timespec *wall_time, struct clocksource *clock, vdso_data->xtime_clock_nsec = wall_time->tv_nsec; vdso_data->wtom_clock_sec = wall_to_monotonic.tv_sec; vdso_data->wtom_clock_nsec = wall_to_monotonic.tv_nsec; + vdso_data->ntp_mult = mult; smp_wmb(); ++vdso_data->tb_update_count; } diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c index 14ef6f05e432..247b4c2d1e51 100644 --- a/arch/s390/kernel/topology.c +++ b/arch/s390/kernel/topology.c @@ -165,10 +165,11 @@ static void tl_to_cores(struct tl_info *info) default: clear_cores(); machine_has_topology = 0; - return; + goto out; } tle = next_tle(tle); } +out: spin_unlock_irq(&topology_lock); } diff --git a/arch/s390/kernel/vdso32/clock_gettime.S b/arch/s390/kernel/vdso32/clock_gettime.S index 4a98909a8310..969643954273 100644 --- a/arch/s390/kernel/vdso32/clock_gettime.S +++ b/arch/s390/kernel/vdso32/clock_gettime.S @@ -38,13 +38,13 @@ __kernel_clock_gettime: sl %r1,__VDSO_XTIME_STAMP+4(%r5) brc 3,2f ahi %r0,-1 -2: mhi %r0,1000 /* cyc2ns(clock,cycle_delta) */ +2: ms %r0,__VDSO_NTP_MULT(%r5) /* cyc2ns(clock,cycle_delta) */ lr %r2,%r0 - lhi %r0,1000 + l %r0,__VDSO_NTP_MULT(%r5) ltr %r1,%r1 mr %r0,%r0 jnm 3f - ahi %r0,1000 + a %r0,__VDSO_NTP_MULT(%r5) 3: alr %r0,%r2 srdl %r0,12 al %r0,__VDSO_XTIME_NSEC(%r5) /* + xtime */ @@ -86,13 +86,13 @@ __kernel_clock_gettime: sl %r1,__VDSO_XTIME_STAMP+4(%r5) brc 3,12f ahi %r0,-1 -12: mhi %r0,1000 /* cyc2ns(clock,cycle_delta) */ +12: ms %r0,__VDSO_NTP_MULT(%r5) /* cyc2ns(clock,cycle_delta) */ lr %r2,%r0 - lhi %r0,1000 + l %r0,__VDSO_NTP_MULT(%r5) ltr %r1,%r1 mr %r0,%r0 jnm 13f - ahi %r0,1000 + a %r0,__VDSO_NTP_MULT(%r5) 13: alr %r0,%r2 srdl %r0,12 al %r0,__VDSO_XTIME_NSEC(%r5) /* + xtime */ diff --git a/arch/s390/kernel/vdso32/gettimeofday.S b/arch/s390/kernel/vdso32/gettimeofday.S index ad8acfc949fb..2d3633175e3b 100644 --- a/arch/s390/kernel/vdso32/gettimeofday.S +++ b/arch/s390/kernel/vdso32/gettimeofday.S @@ -35,13 +35,13 @@ __kernel_gettimeofday: sl %r1,__VDSO_XTIME_STAMP+4(%r5) brc 3,3f ahi %r0,-1 -3: mhi %r0,1000 /* cyc2ns(clock,cycle_delta) */ +3: ms %r0,__VDSO_NTP_MULT(%r5) /* cyc2ns(clock,cycle_delta) */ st %r0,24(%r15) - lhi %r0,1000 + l %r0,__VDSO_NTP_MULT(%r5) ltr %r1,%r1 mr %r0,%r0 jnm 4f - ahi %r0,1000 + a %r0,__VDSO_NTP_MULT(%r5) 4: al %r0,24(%r15) srdl %r0,12 al %r0,__VDSO_XTIME_NSEC(%r5) /* + xtime */ diff --git a/arch/s390/kernel/vdso64/clock_gettime.S b/arch/s390/kernel/vdso64/clock_gettime.S index 49106c6e6f88..f40467884a03 100644 --- a/arch/s390/kernel/vdso64/clock_gettime.S +++ b/arch/s390/kernel/vdso64/clock_gettime.S @@ -36,7 +36,7 @@ __kernel_clock_gettime: stck 48(%r15) /* Store TOD clock */ lg %r1,48(%r15) sg %r1,__VDSO_XTIME_STAMP(%r5) /* TOD - cycle_last */ - mghi %r1,1000 + msgf %r1,__VDSO_NTP_MULT(%r5) /* * NTP adjustment */ srlg %r1,%r1,12 /* cyc2ns(clock,cycle_delta) */ alg %r1,__VDSO_XTIME_NSEC(%r5) /* + xtime */ lg %r0,__VDSO_XTIME_SEC(%r5) @@ -64,7 +64,7 @@ __kernel_clock_gettime: stck 48(%r15) /* Store TOD clock */ lg %r1,48(%r15) sg %r1,__VDSO_XTIME_STAMP(%r5) /* TOD - cycle_last */ - mghi %r1,1000 + msgf %r1,__VDSO_NTP_MULT(%r5) /* * NTP adjustment */ srlg %r1,%r1,12 /* cyc2ns(clock,cycle_delta) */ alg %r1,__VDSO_XTIME_NSEC(%r5) /* + xtime */ lg %r0,__VDSO_XTIME_SEC(%r5) diff --git a/arch/s390/kernel/vdso64/gettimeofday.S b/arch/s390/kernel/vdso64/gettimeofday.S index f873e75634e1..36ee674722ec 100644 --- a/arch/s390/kernel/vdso64/gettimeofday.S +++ b/arch/s390/kernel/vdso64/gettimeofday.S @@ -31,7 +31,7 @@ __kernel_gettimeofday: stck 48(%r15) /* Store TOD clock */ lg %r1,48(%r15) sg %r1,__VDSO_XTIME_STAMP(%r5) /* TOD - cycle_last */ - mghi %r1,1000 + msgf %r1,__VDSO_NTP_MULT(%r5) /* * NTP adjustment */ srlg %r1,%r1,12 /* cyc2ns(clock,cycle_delta) */ alg %r1,__VDSO_XTIME_NSEC(%r5) /* + xtime.tv_nsec */ lg %r0,__VDSO_XTIME_SEC(%r5) /* xtime.tv_sec */ |