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-rw-r--r--arch/arm/include/asm/io.h4
-rw-r--r--arch/arm/include/asm/sched_clock.h2
-rw-r--r--arch/arm/include/asm/vfpmacros.h12
-rw-r--r--arch/arm/include/uapi/asm/hwcap.h3
-rw-r--r--arch/arm/kernel/sched_clock.c18
-rw-r--r--arch/arm/mm/alignment.c2
-rw-r--r--arch/arm/vfp/vfpmodule.c9
-rw-r--r--arch/arm/xen/enlighten.c11
-rw-r--r--arch/h8300/include/asm/cache.h3
-rw-r--r--arch/s390/include/asm/cio.h2
-rw-r--r--arch/s390/include/asm/pgtable.h35
-rw-r--r--arch/s390/kernel/sclp.S8
-rw-r--r--arch/s390/lib/uaccess_pt.c2
-rw-r--r--arch/s390/mm/gup.c2
-rw-r--r--arch/x86/include/asm/xen/hypercall.h21
15 files changed, 74 insertions, 60 deletions
diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h
index 35c1ed89b936..42f042ee4ada 100644
--- a/arch/arm/include/asm/io.h
+++ b/arch/arm/include/asm/io.h
@@ -64,7 +64,7 @@ extern void __raw_readsl(const void __iomem *addr, void *data, int longlen);
static inline void __raw_writew(u16 val, volatile void __iomem *addr)
{
asm volatile("strh %1, %0"
- : "+Qo" (*(volatile u16 __force *)addr)
+ : "+Q" (*(volatile u16 __force *)addr)
: "r" (val));
}
@@ -72,7 +72,7 @@ static inline u16 __raw_readw(const volatile void __iomem *addr)
{
u16 val;
asm volatile("ldrh %1, %0"
- : "+Qo" (*(volatile u16 __force *)addr),
+ : "+Q" (*(volatile u16 __force *)addr),
"=r" (val));
return val;
}
diff --git a/arch/arm/include/asm/sched_clock.h b/arch/arm/include/asm/sched_clock.h
index 05b8e82ec9f5..e3f757263438 100644
--- a/arch/arm/include/asm/sched_clock.h
+++ b/arch/arm/include/asm/sched_clock.h
@@ -10,7 +10,5 @@
extern void sched_clock_postinit(void);
extern void setup_sched_clock(u32 (*read)(void), int bits, unsigned long rate);
-extern void setup_sched_clock_needs_suspend(u32 (*read)(void), int bits,
- unsigned long rate);
#endif
diff --git a/arch/arm/include/asm/vfpmacros.h b/arch/arm/include/asm/vfpmacros.h
index 6a6f1e485f41..301c1db3e99b 100644
--- a/arch/arm/include/asm/vfpmacros.h
+++ b/arch/arm/include/asm/vfpmacros.h
@@ -27,9 +27,9 @@
#if __LINUX_ARM_ARCH__ <= 6
ldr \tmp, =elf_hwcap @ may not have MVFR regs
ldr \tmp, [\tmp, #0]
- tst \tmp, #HWCAP_VFPv3D16
- ldceql p11, cr0, [\base],#32*4 @ FLDMIAD \base!, {d16-d31}
- addne \base, \base, #32*4 @ step over unused register space
+ tst \tmp, #HWCAP_VFPD32
+ ldcnel p11, cr0, [\base],#32*4 @ FLDMIAD \base!, {d16-d31}
+ addeq \base, \base, #32*4 @ step over unused register space
#else
VFPFMRX \tmp, MVFR0 @ Media and VFP Feature Register 0
and \tmp, \tmp, #MVFR0_A_SIMD_MASK @ A_SIMD field
@@ -51,9 +51,9 @@
#if __LINUX_ARM_ARCH__ <= 6
ldr \tmp, =elf_hwcap @ may not have MVFR regs
ldr \tmp, [\tmp, #0]
- tst \tmp, #HWCAP_VFPv3D16
- stceql p11, cr0, [\base],#32*4 @ FSTMIAD \base!, {d16-d31}
- addne \base, \base, #32*4 @ step over unused register space
+ tst \tmp, #HWCAP_VFPD32
+ stcnel p11, cr0, [\base],#32*4 @ FSTMIAD \base!, {d16-d31}
+ addeq \base, \base, #32*4 @ step over unused register space
#else
VFPFMRX \tmp, MVFR0 @ Media and VFP Feature Register 0
and \tmp, \tmp, #MVFR0_A_SIMD_MASK @ A_SIMD field
diff --git a/arch/arm/include/uapi/asm/hwcap.h b/arch/arm/include/uapi/asm/hwcap.h
index f254f6503cce..3688fd15a32d 100644
--- a/arch/arm/include/uapi/asm/hwcap.h
+++ b/arch/arm/include/uapi/asm/hwcap.h
@@ -18,11 +18,12 @@
#define HWCAP_THUMBEE (1 << 11)
#define HWCAP_NEON (1 << 12)
#define HWCAP_VFPv3 (1 << 13)
-#define HWCAP_VFPv3D16 (1 << 14)
+#define HWCAP_VFPv3D16 (1 << 14) /* also set for VFPv4-D16 */
#define HWCAP_TLS (1 << 15)
#define HWCAP_VFPv4 (1 << 16)
#define HWCAP_IDIVA (1 << 17)
#define HWCAP_IDIVT (1 << 18)
+#define HWCAP_VFPD32 (1 << 19) /* set if VFP has 32 regs (not 16) */
#define HWCAP_IDIV (HWCAP_IDIVA | HWCAP_IDIVT)
diff --git a/arch/arm/kernel/sched_clock.c b/arch/arm/kernel/sched_clock.c
index e21bac20d90d..fc6692e2b603 100644
--- a/arch/arm/kernel/sched_clock.c
+++ b/arch/arm/kernel/sched_clock.c
@@ -107,13 +107,6 @@ static void sched_clock_poll(unsigned long wrap_ticks)
update_sched_clock();
}
-void __init setup_sched_clock_needs_suspend(u32 (*read)(void), int bits,
- unsigned long rate)
-{
- setup_sched_clock(read, bits, rate);
- cd.needs_suspend = true;
-}
-
void __init setup_sched_clock(u32 (*read)(void), int bits, unsigned long rate)
{
unsigned long r, w;
@@ -189,18 +182,15 @@ void __init sched_clock_postinit(void)
static int sched_clock_suspend(void)
{
sched_clock_poll(sched_clock_timer.data);
- if (cd.needs_suspend)
- cd.suspended = true;
+ cd.suspended = true;
return 0;
}
static void sched_clock_resume(void)
{
- if (cd.needs_suspend) {
- cd.epoch_cyc = read_sched_clock();
- cd.epoch_cyc_copy = cd.epoch_cyc;
- cd.suspended = false;
- }
+ cd.epoch_cyc = read_sched_clock();
+ cd.epoch_cyc_copy = cd.epoch_cyc;
+ cd.suspended = false;
}
static struct syscore_ops sched_clock_ops = {
diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c
index 023f443784ec..b820edaf3184 100644
--- a/arch/arm/mm/alignment.c
+++ b/arch/arm/mm/alignment.c
@@ -745,7 +745,7 @@ do_alignment_t32_to_handler(unsigned long *pinstr, struct pt_regs *regs,
static int
do_alignment(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
{
- union offset_union offset;
+ union offset_union uninitialized_var(offset);
unsigned long instr = 0, instrptr;
int (*handler)(unsigned long addr, unsigned long instr, struct pt_regs *regs);
unsigned int type;
diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c
index c834b32af275..3b44e0dd0a93 100644
--- a/arch/arm/vfp/vfpmodule.c
+++ b/arch/arm/vfp/vfpmodule.c
@@ -701,11 +701,14 @@ static int __init vfp_init(void)
elf_hwcap |= HWCAP_VFPv3;
/*
- * Check for VFPv3 D16. CPUs in this configuration
- * only have 16 x 64bit registers.
+ * Check for VFPv3 D16 and VFPv4 D16. CPUs in
+ * this configuration only have 16 x 64bit
+ * registers.
*/
if (((fmrx(MVFR0) & MVFR0_A_SIMD_MASK)) == 1)
- elf_hwcap |= HWCAP_VFPv3D16;
+ elf_hwcap |= HWCAP_VFPv3D16; /* also v4-D16 */
+ else
+ elf_hwcap |= HWCAP_VFPD32;
}
#endif
/*
diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c
index 59bcb96ac369..f57609275449 100644
--- a/arch/arm/xen/enlighten.c
+++ b/arch/arm/xen/enlighten.c
@@ -166,3 +166,14 @@ void free_xenballooned_pages(int nr_pages, struct page **pages)
*pages = NULL;
}
EXPORT_SYMBOL_GPL(free_xenballooned_pages);
+
+/* In the hypervisor.S file. */
+EXPORT_SYMBOL_GPL(HYPERVISOR_event_channel_op);
+EXPORT_SYMBOL_GPL(HYPERVISOR_grant_table_op);
+EXPORT_SYMBOL_GPL(HYPERVISOR_xen_version);
+EXPORT_SYMBOL_GPL(HYPERVISOR_console_io);
+EXPORT_SYMBOL_GPL(HYPERVISOR_sched_op);
+EXPORT_SYMBOL_GPL(HYPERVISOR_hvm_op);
+EXPORT_SYMBOL_GPL(HYPERVISOR_memory_op);
+EXPORT_SYMBOL_GPL(HYPERVISOR_physdev_op);
+EXPORT_SYMBOL_GPL(privcmd_call);
diff --git a/arch/h8300/include/asm/cache.h b/arch/h8300/include/asm/cache.h
index c6350283649d..05887a1d80e5 100644
--- a/arch/h8300/include/asm/cache.h
+++ b/arch/h8300/include/asm/cache.h
@@ -2,7 +2,8 @@
#define __ARCH_H8300_CACHE_H
/* bytes per L1 cache line */
-#define L1_CACHE_BYTES 4
+#define L1_CACHE_SHIFT 2
+#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
/* m68k-elf-gcc 2.95.2 doesn't like these */
diff --git a/arch/s390/include/asm/cio.h b/arch/s390/include/asm/cio.h
index 55bde6035216..ad2b924167d7 100644
--- a/arch/s390/include/asm/cio.h
+++ b/arch/s390/include/asm/cio.h
@@ -9,6 +9,8 @@
#define LPM_ANYPATH 0xff
#define __MAX_CSSID 0
+#define __MAX_SUBCHANNEL 65535
+#define __MAX_SSID 3
#include <asm/scsw.h>
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index dd647c919a66..2d3b7cb26005 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -506,12 +506,15 @@ static inline int pud_bad(pud_t pud)
static inline int pmd_present(pmd_t pmd)
{
- return (pmd_val(pmd) & _SEGMENT_ENTRY_ORIGIN) != 0UL;
+ unsigned long mask = _SEGMENT_ENTRY_INV | _SEGMENT_ENTRY_RO;
+ return (pmd_val(pmd) & mask) == _HPAGE_TYPE_NONE ||
+ !(pmd_val(pmd) & _SEGMENT_ENTRY_INV);
}
static inline int pmd_none(pmd_t pmd)
{
- return (pmd_val(pmd) & _SEGMENT_ENTRY_INV) != 0UL;
+ return (pmd_val(pmd) & _SEGMENT_ENTRY_INV) &&
+ !(pmd_val(pmd) & _SEGMENT_ENTRY_RO);
}
static inline int pmd_large(pmd_t pmd)
@@ -1223,6 +1226,11 @@ static inline void __pmd_idte(unsigned long address, pmd_t *pmdp)
}
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+
+#define SEGMENT_NONE __pgprot(_HPAGE_TYPE_NONE)
+#define SEGMENT_RO __pgprot(_HPAGE_TYPE_RO)
+#define SEGMENT_RW __pgprot(_HPAGE_TYPE_RW)
+
#define __HAVE_ARCH_PGTABLE_DEPOSIT
extern void pgtable_trans_huge_deposit(struct mm_struct *mm, pgtable_t pgtable);
@@ -1242,16 +1250,15 @@ static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr,
static inline unsigned long massage_pgprot_pmd(pgprot_t pgprot)
{
- unsigned long pgprot_pmd = 0;
-
- if (pgprot_val(pgprot) & _PAGE_INVALID) {
- if (pgprot_val(pgprot) & _PAGE_SWT)
- pgprot_pmd |= _HPAGE_TYPE_NONE;
- pgprot_pmd |= _SEGMENT_ENTRY_INV;
- }
- if (pgprot_val(pgprot) & _PAGE_RO)
- pgprot_pmd |= _SEGMENT_ENTRY_RO;
- return pgprot_pmd;
+ /*
+ * pgprot is PAGE_NONE, PAGE_RO, or PAGE_RW (see __Pxxx / __Sxxx)
+ * Convert to segment table entry format.
+ */
+ if (pgprot_val(pgprot) == pgprot_val(PAGE_NONE))
+ return pgprot_val(SEGMENT_NONE);
+ if (pgprot_val(pgprot) == pgprot_val(PAGE_RO))
+ return pgprot_val(SEGMENT_RO);
+ return pgprot_val(SEGMENT_RW);
}
static inline pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot)
@@ -1269,7 +1276,9 @@ static inline pmd_t pmd_mkhuge(pmd_t pmd)
static inline pmd_t pmd_mkwrite(pmd_t pmd)
{
- pmd_val(pmd) &= ~_SEGMENT_ENTRY_RO;
+ /* Do not clobber _HPAGE_TYPE_NONE pages! */
+ if (!(pmd_val(pmd) & _SEGMENT_ENTRY_INV))
+ pmd_val(pmd) &= ~_SEGMENT_ENTRY_RO;
return pmd;
}
diff --git a/arch/s390/kernel/sclp.S b/arch/s390/kernel/sclp.S
index bf053898630d..b6506ee32a36 100644
--- a/arch/s390/kernel/sclp.S
+++ b/arch/s390/kernel/sclp.S
@@ -44,6 +44,12 @@ _sclp_wait_int:
#endif
mvc .LoldpswS1-.LbaseS1(16,%r13),0(%r8)
mvc 0(16,%r8),0(%r9)
+#ifdef CONFIG_64BIT
+ epsw %r6,%r7 # set current addressing mode
+ nill %r6,0x1 # in new psw (31 or 64 bit mode)
+ nilh %r7,0x8000
+ stm %r6,%r7,0(%r8)
+#endif
lhi %r6,0x0200 # cr mask for ext int (cr0.54)
ltr %r2,%r2
jz .LsetctS1
@@ -87,7 +93,7 @@ _sclp_wait_int:
.long 0x00080000, 0x80000000+.LwaitS1 # PSW to handle ext int
#ifdef CONFIG_64BIT
.LextpswS1_64:
- .quad 0x0000000180000000, .LwaitS1 # PSW to handle ext int, 64 bit
+ .quad 0, .LwaitS1 # PSW to handle ext int, 64 bit
#endif
.LwaitpswS1:
.long 0x010a0000, 0x00000000+.LloopS1 # PSW to wait for ext int
diff --git a/arch/s390/lib/uaccess_pt.c b/arch/s390/lib/uaccess_pt.c
index 2d37bb861faf..9017a63dda3d 100644
--- a/arch/s390/lib/uaccess_pt.c
+++ b/arch/s390/lib/uaccess_pt.c
@@ -39,7 +39,7 @@ static __always_inline unsigned long follow_table(struct mm_struct *mm,
pmd = pmd_offset(pud, addr);
if (pmd_none(*pmd))
return -0x10UL;
- if (pmd_huge(*pmd)) {
+ if (pmd_large(*pmd)) {
if (write && (pmd_val(*pmd) & _SEGMENT_ENTRY_RO))
return -0x04UL;
return (pmd_val(*pmd) & HPAGE_MASK) + (addr & ~HPAGE_MASK);
diff --git a/arch/s390/mm/gup.c b/arch/s390/mm/gup.c
index 60acb93a4680..8b8285310b5a 100644
--- a/arch/s390/mm/gup.c
+++ b/arch/s390/mm/gup.c
@@ -126,7 +126,7 @@ static inline int gup_pmd_range(pud_t *pudp, pud_t pud, unsigned long addr,
*/
if (pmd_none(pmd) || pmd_trans_splitting(pmd))
return 0;
- if (unlikely(pmd_huge(pmd))) {
+ if (unlikely(pmd_large(pmd))) {
if (!gup_huge_pmd(pmdp, pmd, addr, next,
write, pages, nr))
return 0;
diff --git a/arch/x86/include/asm/xen/hypercall.h b/arch/x86/include/asm/xen/hypercall.h
index 59c226d120cd..c20d1ce62dc6 100644
--- a/arch/x86/include/asm/xen/hypercall.h
+++ b/arch/x86/include/asm/xen/hypercall.h
@@ -359,18 +359,14 @@ HYPERVISOR_update_va_mapping(unsigned long va, pte_t new_val,
return _hypercall4(int, update_va_mapping, va,
new_val.pte, new_val.pte >> 32, flags);
}
+extern int __must_check xen_event_channel_op_compat(int, void *);
static inline int
HYPERVISOR_event_channel_op(int cmd, void *arg)
{
int rc = _hypercall2(int, event_channel_op, cmd, arg);
- if (unlikely(rc == -ENOSYS)) {
- struct evtchn_op op;
- op.cmd = cmd;
- memcpy(&op.u, arg, sizeof(op.u));
- rc = _hypercall1(int, event_channel_op_compat, &op);
- memcpy(arg, &op.u, sizeof(op.u));
- }
+ if (unlikely(rc == -ENOSYS))
+ rc = xen_event_channel_op_compat(cmd, arg);
return rc;
}
@@ -386,17 +382,14 @@ HYPERVISOR_console_io(int cmd, int count, char *str)
return _hypercall3(int, console_io, cmd, count, str);
}
+extern int __must_check HYPERVISOR_physdev_op_compat(int, void *);
+
static inline int
HYPERVISOR_physdev_op(int cmd, void *arg)
{
int rc = _hypercall2(int, physdev_op, cmd, arg);
- if (unlikely(rc == -ENOSYS)) {
- struct physdev_op op;
- op.cmd = cmd;
- memcpy(&op.u, arg, sizeof(op.u));
- rc = _hypercall1(int, physdev_op_compat, &op);
- memcpy(arg, &op.u, sizeof(op.u));
- }
+ if (unlikely(rc == -ENOSYS))
+ rc = HYPERVISOR_physdev_op_compat(cmd, arg);
return rc;
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-02-03 01:36:09 +0100