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-rw-r--r--arch/s390/kernel/early.c2
-rw-r--r--arch/s390/kernel/nmi.c19
-rw-r--r--arch/s390/kernel/setup.c4
3 files changed, 13 insertions, 12 deletions
diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c
index d038c8cea6cb..324f1c147a41 100644
--- a/arch/s390/kernel/early.c
+++ b/arch/s390/kernel/early.c
@@ -417,7 +417,7 @@ static __init void memmove_early(void *dst, const void *src, size_t n)
" brctg %[n],0b\n"
"1:\n"
: [addr] "=&d" (addr),
- [psw_pgm_addr] "=&Q" (S390_lowcore.program_new_psw.addr),
+ [psw_pgm_addr] "=Q" (S390_lowcore.program_new_psw.addr),
[dst] "+&a" (dst), [src] "+&a" (src), [n] "+d" (n)
: [incr] "d" (incr)
: "cc", "memory");
diff --git a/arch/s390/kernel/nmi.c b/arch/s390/kernel/nmi.c
index 9a32f7419d78..9862196b4b89 100644
--- a/arch/s390/kernel/nmi.c
+++ b/arch/s390/kernel/nmi.c
@@ -102,7 +102,7 @@ static int notrace s390_validate_registers(union mci mci, int umode)
{
int kill_task;
u64 zero;
- void *fpt_save_area, *fpt_creg_save_area;
+ void *fpt_save_area;
kill_task = 0;
zero = 0;
@@ -130,7 +130,6 @@ static int notrace s390_validate_registers(union mci mci, int umode)
kill_task = 1;
}
fpt_save_area = &S390_lowcore.floating_pt_save_area;
- fpt_creg_save_area = &S390_lowcore.fpt_creg_save_area;
if (!mci.fc) {
/*
* Floating point control register can't be restored.
@@ -142,11 +141,13 @@ static int notrace s390_validate_registers(union mci mci, int umode)
*/
if (S390_lowcore.fpu_flags & KERNEL_FPC)
s390_handle_damage();
- asm volatile("lfpc 0(%0)" : : "a" (&zero), "m" (zero));
+ asm volatile("lfpc %0" : : "Q" (zero));
if (!test_cpu_flag(CIF_FPU))
kill_task = 1;
- } else
- asm volatile("lfpc 0(%0)" : : "a" (fpt_creg_save_area));
+ } else {
+ asm volatile("lfpc %0"
+ : : "Q" (S390_lowcore.fpt_creg_save_area));
+ }
if (!MACHINE_HAS_VX) {
/* Validate floating point registers */
@@ -167,7 +168,7 @@ static int notrace s390_validate_registers(union mci mci, int umode)
" ld 13,104(%0)\n"
" ld 14,112(%0)\n"
" ld 15,120(%0)\n"
- : : "a" (fpt_save_area));
+ : : "a" (fpt_save_area) : "memory");
} else {
/* Validate vector registers */
union ctlreg0 cr0;
@@ -217,7 +218,7 @@ static int notrace s390_validate_registers(union mci mci, int umode)
} else {
asm volatile(
" lctlg 0,15,0(%0)"
- : : "a" (&S390_lowcore.cregs_save_area));
+ : : "a" (&S390_lowcore.cregs_save_area) : "memory");
}
/*
* We don't even try to validate the TOD register, since we simply
@@ -234,9 +235,9 @@ static int notrace s390_validate_registers(union mci mci, int umode)
: : : "0", "cc");
else
asm volatile(
- " l 0,0(%0)\n"
+ " l 0,%0\n"
" sckpf"
- : : "a" (&S390_lowcore.tod_progreg_save_area)
+ : : "Q" (S390_lowcore.tod_progreg_save_area)
: "0", "cc");
/* Validate clock comparator register */
set_clock_comparator(S390_lowcore.clock_comparator);
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index adfac9f0a89f..865a48871ca4 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -485,7 +485,7 @@ static void __init setup_memory_end(void)
max_pfn = max_low_pfn = PFN_DOWN(memory_end);
memblock_remove(memory_end, ULONG_MAX);
- pr_notice("Max memory size: %luMB\n", memory_end >> 20);
+ pr_notice("The maximum memory size is %luMB\n", memory_end >> 20);
}
static void __init setup_vmcoreinfo(void)
@@ -650,7 +650,7 @@ static void __init check_initrd(void)
#ifdef CONFIG_BLK_DEV_INITRD
if (INITRD_START && INITRD_SIZE &&
!memblock_is_region_memory(INITRD_START, INITRD_SIZE)) {
- pr_err("initrd does not fit memory.\n");
+ pr_err("The initial RAM disk does not fit into the memory\n");
memblock_free(INITRD_START, INITRD_SIZE);
initrd_start = initrd_end = 0;
}
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