diff options
| author |   Vasily Gorbik <gor@linux.ibm.com> | 2022-09-14 16:41:21 +0200 |
|---|---|---|
| committer | Vasily Gorbik <gor@linux.ibm.com> | 2022-09-14 16:41:21 +0200 |
| commit | d61bb30e434db7df2a5f1ad5d773ed3a876dee03 (patch) | |
| tree | f8a52103d3ef373c8f5ba2ee4707ff617d94b643 /arch/s390/kernel | |
| parent | s390/ptdump: add missing amode31 markers (diff) | |
| parent | s390/smp: enforce lowcore protection on CPU restart (diff) | |
| download | linux-dev-d61bb30e434db7df2a5f1ad5d773ed3a876dee03.tar.xz linux-dev-d61bb30e434db7df2a5f1ad5d773ed3a876dee03.zip | |
Merge branch 'fixes' into features
* fixes:
s390/smp: enforce lowcore protection on CPU restart
s390/boot: fix absolute zero lowcore corruption on boot
s390/hugetlb: fix prepare_hugepage_range() check for 2 GB hugepages
s390: update defconfigs
s390: fix nospec table alignments
s390/mm: remove useless hugepage address alignment
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'arch/s390/kernel')
| -rw-r--r-- | arch/s390/kernel/nmi.c | 2 | ||||
| -rw-r--r-- | arch/s390/kernel/setup.c | 3 | ||||
| -rw-r--r-- | arch/s390/kernel/vmlinux.lds.S | 1 |
3 files changed, 4 insertions, 2 deletions
diff --git a/arch/s390/kernel/nmi.c b/arch/s390/kernel/nmi.c index 60ac66aab163..31cb9b00a36b 100644 --- a/arch/s390/kernel/nmi.c +++ b/arch/s390/kernel/nmi.c @@ -64,7 +64,7 @@ static inline unsigned long nmi_get_mcesa_size(void) * structure. The structure is required for machine check happening * early in the boot process. */ -static struct mcesa boot_mcesa __initdata __aligned(MCESA_MAX_SIZE); +static struct mcesa boot_mcesa __aligned(MCESA_MAX_SIZE); void __init nmi_alloc_mcesa_early(u64 *mcesad) { diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index ed4fbbbdd1b0..bbd4bde4f65d 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -479,6 +479,7 @@ static void __init setup_lowcore_dat_off(void) put_abs_lowcore(restart_data, lc->restart_data); put_abs_lowcore(restart_source, lc->restart_source); put_abs_lowcore(restart_psw, lc->restart_psw); + put_abs_lowcore(mcesad, lc->mcesad); mcck_stack = (unsigned long)memblock_alloc(THREAD_SIZE, THREAD_SIZE); if (!mcck_stack) @@ -507,8 +508,8 @@ static void __init setup_lowcore_dat_on(void) S390_lowcore.svc_new_psw.mask |= PSW_MASK_DAT; S390_lowcore.program_new_psw.mask |= PSW_MASK_DAT; S390_lowcore.io_new_psw.mask |= PSW_MASK_DAT; - __ctl_store(S390_lowcore.cregs_save_area, 0, 15); __ctl_set_bit(0, 28); + __ctl_store(S390_lowcore.cregs_save_area, 0, 15); put_abs_lowcore(restart_flags, RESTART_FLAG_CTLREGS); put_abs_lowcore(program_new_psw, lc->program_new_psw); for (cr = 0; cr < ARRAY_SIZE(lc->cregs_save_area); cr++) diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S index 2e526f11b91e..5ea3830af0cc 100644 --- a/arch/s390/kernel/vmlinux.lds.S +++ b/arch/s390/kernel/vmlinux.lds.S @@ -131,6 +131,7 @@ SECTIONS /* * Table with the patch locations to undo expolines */ + . = ALIGN(4); .nospec_call_table : { __nospec_call_start = . ; *(.s390_indirect*) |