diff options
95 files changed, 800 insertions, 2809 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 44c1e8b3b3b4..6599d24bb8ab 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -14613,7 +14613,7 @@ F: Documentation/s390/ F: Documentation/driver-api/s390-drivers.rst S390 COMMON I/O LAYER -M: Sebastian Ott <sebott@linux.ibm.com> +M: Vineeth Vijayan <vneethv@linux.ibm.com> M: Peter Oberparleiter <oberpar@linux.ibm.com> L: linux-s390@vger.kernel.org W: http://www.ibm.com/developerworks/linux/linux390/ @@ -14655,7 +14655,7 @@ S: Supported F: drivers/s390/net/ S390 PCI SUBSYSTEM -M: Sebastian Ott <sebott@linux.ibm.com> +M: Niklas Schnelle <schnelle@linux.ibm.com> M: Gerald Schaefer <gerald.schaefer@de.ibm.com> L: linux-s390@vger.kernel.org W: http://www.ibm.com/developerworks/linux/linux390/ diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 59c216af6264..2167bce993ff 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -102,13 +102,13 @@ config S390 select ARCH_INLINE_WRITE_UNLOCK_IRQ select ARCH_INLINE_WRITE_UNLOCK_IRQRESTORE select ARCH_KEEP_MEMBLOCK - select ARCH_SAVE_PAGE_KEYS if HIBERNATION select ARCH_STACKWALK select ARCH_SUPPORTS_ATOMIC_RMW select ARCH_SUPPORTS_NUMA_BALANCING select ARCH_USE_BUILTIN_BSWAP select ARCH_USE_CMPXCHG_LOCKREF select ARCH_WANTS_DYNAMIC_TASK_STRUCT + select ARCH_WANT_DEFAULT_BPF_JIT select ARCH_WANT_IPC_PARSE_VERSION select BUILDTIME_TABLE_SORT select CLONE_BACKWARDS2 @@ -451,14 +451,6 @@ config NR_CPUS config HOTPLUG_CPU def_bool y -# Some NUMA nodes have memory ranges that span -# other nodes. Even though a pfn is valid and -# between a node's start and end pfns, it may not -# reside on that node. See memmap_init_zone() -# for details. <- They meant memory holes! -config NODES_SPAN_OTHER_NODES - def_bool NUMA - config NUMA bool "NUMA support" depends on SCHED_TOPOLOGY @@ -468,58 +460,9 @@ config NUMA This option adds NUMA support to the kernel. - An operation mode can be selected by appending - numa=<method> to the kernel command line. - - The default behaviour is identical to appending numa=plain to - the command line. This will create just one node with all - available memory and all CPUs in it. - config NODES_SHIFT - int "Maximum NUMA nodes (as a power of 2)" - range 1 10 - depends on NUMA - default "4" - help - Specify the maximum number of NUMA nodes available on the target - system. Increases memory reserved to accommodate various tables. - -menu "Select NUMA modes" - depends on NUMA - -config NUMA_EMU - bool "NUMA emulation" - default y - help - Numa emulation mode will split the available system memory into - equal chunks which then are distributed over the configured number - of nodes in a round-robin manner. - - The number of fake nodes is limited by the number of available memory - chunks (i.e. memory size / fake size) and the number of supported - nodes in the kernel. - - The CPUs are assigned to the nodes in a way that partially respects - the original machine topology (if supported by the machine). - Fair distribution of the CPUs is not guaranteed. - -config EMU_SIZE - hex "NUMA emulation memory chunk size" - default 0x10000000 - range 0x400000 0x100000000 - depends on NUMA_EMU - help - Select the default size by which the memory is chopped and then - assigned to emulated NUMA nodes. - - This can be overridden by specifying - - emu_size=<n> - - on the kernel command line where also suffixes K, M, G, and T are - supported. - -endmenu + int + default "1" config SCHED_SMT def_bool n @@ -867,15 +810,6 @@ config SECCOMP If unsure, say Y. -menu "Power Management" - -config ARCH_HIBERNATION_POSSIBLE - def_bool y - -source "kernel/power/Kconfig" - -endmenu - config CCW def_bool y @@ -1010,7 +944,6 @@ config S390_GUEST select TTY select VIRTUALIZATION select VIRTIO - select VIRTIO_CONSOLE help Enabling this option adds support for virtio based paravirtual device drivers on s390. diff --git a/arch/s390/appldata/appldata_os.c b/arch/s390/appldata/appldata_os.c index 54f375627532..8bf46d705957 100644 --- a/arch/s390/appldata/appldata_os.c +++ b/arch/s390/appldata/appldata_os.c @@ -75,7 +75,7 @@ struct appldata_os_data { (waiting for I/O) */ /* per cpu data */ - struct appldata_os_per_cpu os_cpu[0]; + struct appldata_os_per_cpu os_cpu[]; } __attribute__((packed)); static struct appldata_os_data *appldata_os_data; diff --git a/arch/s390/boot/install.sh b/arch/s390/boot/install.sh index bed227f267ae..515b27a996b3 100644 --- a/arch/s390/boot/install.sh +++ b/arch/s390/boot/install.sh @@ -21,15 +21,10 @@ if [ -x ~/bin/${INSTALLKERNEL} ]; then exec ~/bin/${INSTALLKERNEL} "$@"; fi if [ -x /sbin/${INSTALLKERNEL} ]; then exec /sbin/${INSTALLKERNEL} "$@"; fi -# Default install - same as make zlilo +echo "Warning: '${INSTALLKERNEL}' command not available - additional " \ + "bootloader config required" >&2 +if [ -f $4/vmlinuz-$1 ]; then mv $4/vmlinuz-$1 $4/vmlinuz-$1.old; fi +if [ -f $4/System.map-$1 ]; then mv $4/System.map-$1 $4/System.map-$1.old; fi -if [ -f $4/vmlinuz ]; then - mv $4/vmlinuz $4/vmlinuz.old -fi - -if [ -f $4/System.map ]; then - mv $4/System.map $4/System.old -fi - -cat $2 > $4/vmlinuz -cp $3 $4/System.map +cat $2 > $4/vmlinuz-$1 +cp $3 $4/System.map-$1 diff --git a/arch/s390/configs/debug_defconfig b/arch/s390/configs/debug_defconfig index 0c86ba19fa2b..46038bc58c9e 100644 --- a/arch/s390/configs/debug_defconfig +++ b/arch/s390/configs/debug_defconfig @@ -532,6 +532,7 @@ CONFIG_INPUT_EVDEV=y # CONFIG_SERIO is not set CONFIG_LEGACY_PTY_COUNT=0 CONFIG_NULL_TTY=m +CONFIG_VIRTIO_CONSOLE=y CONFIG_HW_RANDOM_VIRTIO=m CONFIG_RAW_DRIVER=m CONFIG_HANGCHECK_TIMER=m diff --git a/arch/s390/configs/defconfig b/arch/s390/configs/defconfig index 6b27d861a9a3..7cd0648c1f4e 100644 --- a/arch/s390/configs/defconfig +++ b/arch/s390/configs/defconfig @@ -528,6 +528,7 @@ CONFIG_INPUT_EVDEV=y # CONFIG_SERIO is not set CONFIG_LEGACY_PTY_COUNT=0 CONFIG_NULL_TTY=m +CONFIG_VIRTIO_CONSOLE=y CONFIG_HW_RANDOM_VIRTIO=m CONFIG_RAW_DRIVER=m CONFIG_HANGCHECK_TIMER=m diff --git a/arch/s390/crypto/aes_s390.c b/arch/s390/crypto/aes_s390.c index 1c23d84a9097..73044634d342 100644 --- a/arch/s390/crypto/aes_s390.c +++ b/arch/s390/crypto/aes_s390.c @@ -342,6 +342,7 @@ static int cbc_aes_crypt(struct skcipher_request *req, unsigned long modifier) memcpy(walk.iv, param.iv, AES_BLOCK_SIZE); ret = skcipher_walk_done(&walk, nbytes - n); } + memzero_explicit(¶m, sizeof(param)); return ret; } @@ -470,6 +471,8 @@ static int xts_aes_crypt(struct skcipher_request *req, unsigned long modifier) walk.dst.virt.addr, walk.src.virt.addr, n); ret = skcipher_walk_done(&walk, nbytes - n); } + memzero_explicit(&pcc_param, sizeof(pcc_param)); + memzero_explicit(&xts_param, sizeof(xts_param)); return ret; } diff --git a/arch/s390/include/asm/hw_irq.h b/arch/s390/include/asm/hw_irq.h index adae176757ae..9078b5b6b837 100644 --- a/arch/s390/include/asm/hw_irq.h +++ b/arch/s390/include/asm/hw_irq.h @@ -7,6 +7,5 @@ void __init init_airq_interrupts(void); void __init init_cio_interrupts(void); -void __init init_ext_interrupts(void); #endif diff --git a/arch/s390/include/asm/ipl.h b/arch/s390/include/asm/ipl.h index 084e71b7272a..b63bd66404b8 100644 --- a/arch/s390/include/asm/ipl.h +++ b/arch/s390/include/asm/ipl.h @@ -119,6 +119,7 @@ enum diag308_subcode { DIAG308_LOAD_NORMAL_DUMP = 4, DIAG308_SET = 5, DIAG308_STORE = 6, + DIAG308_LOAD_NORMAL = 7, }; enum diag308_rc { diff --git a/arch/s390/include/asm/lowcore.h b/arch/s390/include/asm/lowcore.h index 237ee0c4169f..612ed3c6d581 100644 --- a/arch/s390/include/asm/lowcore.h +++ b/arch/s390/include/asm/lowcore.h @@ -141,7 +141,9 @@ struct lowcore { /* br %r1 trampoline */ __u16 br_r1_trampoline; /* 0x0400 */ - __u8 pad_0x0402[0x0e00-0x0402]; /* 0x0402 */ + __u32 return_lpswe; /* 0x0402 */ + __u32 return_mcck_lpswe; /* 0x0406 */ + __u8 pad_0x040a[0x0e00-0x040a]; /* 0x040a */ /* * 0xe00 contains the address of the IPL Parameter Information diff --git a/arch/s390/include/asm/mmu.h b/arch/s390/include/asm/mmu.h index e21b618ad432..e12ff0f29d1a 100644 --- a/arch/s390/include/asm/mmu.h +++ b/arch/s390/include/asm/mmu.h @@ -34,8 +34,6 @@ typedef struct { unsigned int uses_cmm:1; /* The gmaps associated with this context are allowed to use huge pages. */ unsigned int allow_gmap_hpage_1m:1; - /* The mmu context is for compat task */ - unsigned int compat_mm:1; } mm_context_t; #define INIT_MM_CONTEXT(name) \ diff --git a/arch/s390/include/asm/mmu_context.h b/arch/s390/include/asm/mmu_context.h index afa836014076..c9f3d8a52756 100644 --- a/arch/s390/include/asm/mmu_context.h +++ b/arch/s390/include/asm/mmu_context.h @@ -18,6 +18,8 @@ static inline int init_new_context(struct task_struct *tsk, struct mm_struct *mm) { + unsigned long asce_type, init_entry; + spin_lock_init(&mm->context.lock); INIT_LIST_HEAD(&mm->context.pgtable_list); INIT_LIST_HEAD(&mm->context.gmap_list); @@ -26,7 +28,6 @@ static inline int init_new_context(struct task_struct *tsk, atomic_set(&mm->context.is_protected, 0); mm->context.gmap_asce = 0; mm->context.flush_mm = 0; - mm->context.compat_mm = test_thread_flag(TIF_31BIT); #ifdef CONFIG_PGSTE mm->context.alloc_pgste = page_table_allocate_pgste || test_thread_flag(TIF_PGSTE) || @@ -37,33 +38,34 @@ static inline int init_new_context(struct task_struct *tsk, mm->context.allow_gmap_hpage_1m = 0; #endif switch (mm->context.asce_limit) { - case _REGION2_SIZE: + default: /* - * forked 3-level task, fall through to set new asce with new - * mm->pgd + * context created by exec, the value of asce_limit can + * only be zero in this case */ - case 0: - /* context created by exec, set asce limit to 4TB */ - mm->context.asce_limit = STACK_TOP_MAX; - mm->context.asce = __pa(mm->pgd) | _ASCE_TABLE_LENGTH | - _ASCE_USER_BITS | _ASCE_TYPE_REGION3; + VM_BUG_ON(mm->context.asce_limit); + /* continue as 3-level task */ + mm->context.asce_limit = _REGION2_SIZE; + fallthrough; + case _REGION2_SIZE: + /* forked 3-level task */ + init_entry = _REGION3_ENTRY_EMPTY; + asce_type = _ASCE_TYPE_REGION3; break; - case -PAGE_SIZE: |