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-rw-r--r--arch/s390/include/asm/ccwdev.h9
-rw-r--r--arch/s390/include/asm/checksum.h7
-rw-r--r--arch/s390/include/asm/chsc.h7
-rw-r--r--arch/s390/include/asm/compat.h2
-rw-r--r--arch/s390/include/asm/css_chars.h4
-rw-r--r--arch/s390/include/asm/percpu.h28
-rw-r--r--arch/s390/include/asm/pgtable.h42
7 files changed, 60 insertions, 39 deletions
diff --git a/arch/s390/include/asm/ccwdev.h b/arch/s390/include/asm/ccwdev.h
index 3cfe1eb89838..c0be5fe1ddba 100644
--- a/arch/s390/include/asm/ccwdev.h
+++ b/arch/s390/include/asm/ccwdev.h
@@ -238,7 +238,10 @@ extern void ccw_device_get_schid(struct ccw_device *, struct subchannel_id *);
struct channel_path_desc_fmt0 *ccw_device_get_chp_desc(struct ccw_device *, int);
u8 *ccw_device_get_util_str(struct ccw_device *cdev, int chp_idx);
int ccw_device_pnso(struct ccw_device *cdev,
- struct chsc_pnso_area *pnso_area,
- struct chsc_pnso_resume_token resume_token,
- int cnc);
+ struct chsc_pnso_area *pnso_area, u8 oc,
+ struct chsc_pnso_resume_token resume_token, int cnc);
+int ccw_device_get_cssid(struct ccw_device *cdev, u8 *cssid);
+int ccw_device_get_iid(struct ccw_device *cdev, u8 *iid);
+int ccw_device_get_chpid(struct ccw_device *cdev, int chp_idx, u8 *chpid);
+int ccw_device_get_chid(struct ccw_device *cdev, int chp_idx, u16 *chid);
#endif /* _S390_CCWDEV_H_ */
diff --git a/arch/s390/include/asm/checksum.h b/arch/s390/include/asm/checksum.h
index c401a5fd3ad2..a8c02cfbc712 100644
--- a/arch/s390/include/asm/checksum.h
+++ b/arch/s390/include/asm/checksum.h
@@ -39,13 +39,6 @@ static inline __wsum csum_partial(const void *buff, int len, __wsum sum)
return sum;
}
-static inline __wsum csum_partial_copy_nocheck(const void *src, void *dst,
- int len, __wsum sum)
-{
- memcpy(dst, src, len);
- return csum_partial(dst, len, sum);
-}
-
/*
* Fold a partial checksum without adding pseudo headers.
*/
diff --git a/arch/s390/include/asm/chsc.h b/arch/s390/include/asm/chsc.h
index 36ce2d25a5fc..ae4d2549cd67 100644
--- a/arch/s390/include/asm/chsc.h
+++ b/arch/s390/include/asm/chsc.h
@@ -12,6 +12,13 @@
#include <uapi/asm/chsc.h>
/**
+ * Operation codes for CHSC PNSO:
+ * PNSO_OC_NET_BRIDGE_INFO - only addresses that are visible to a bridgeport
+ * PNSO_OC_NET_ADDR_INFO - all addresses
+ */
+#define PNSO_OC_NET_BRIDGE_INFO 0
+#define PNSO_OC_NET_ADDR_INFO 3
+/**
* struct chsc_pnso_naid_l2 - network address information descriptor
* @nit: Network interface token
* @addr_lnid: network address and logical network id (VLAN ID)
diff --git a/arch/s390/include/asm/compat.h b/arch/s390/include/asm/compat.h
index 9547cd5d6cdc..ea5b9c34b7be 100644
--- a/arch/s390/include/asm/compat.h
+++ b/arch/s390/include/asm/compat.h
@@ -63,8 +63,6 @@ typedef u16 compat_nlink_t;
typedef u16 compat_ipc_pid_t;
typedef u32 compat_caddr_t;
typedef __kernel_fsid_t compat_fsid_t;
-typedef s64 compat_s64;
-typedef u64 compat_u64;
typedef struct {
u32 mask;
diff --git a/arch/s390/include/asm/css_chars.h b/arch/s390/include/asm/css_chars.h
index 480bb02ccacd..638137d46c85 100644
--- a/arch/s390/include/asm/css_chars.h
+++ b/arch/s390/include/asm/css_chars.h
@@ -36,7 +36,9 @@ struct css_general_char {
u64 alt_ssi : 1; /* bit 108 */
u64 : 1;
u64 narf : 1; /* bit 110 */
- u64 : 12;
+ u64 : 5;
+ u64 enarf: 1; /* bit 116 */
+ u64 : 6;
u64 util_str : 1;/* bit 123 */
} __packed;
diff --git a/arch/s390/include/asm/percpu.h b/arch/s390/include/asm/percpu.h
index 50b4ce8cddfd..918f0ba4f4d2 100644
--- a/arch/s390/include/asm/percpu.h
+++ b/arch/s390/include/asm/percpu.h
@@ -29,7 +29,7 @@
typedef typeof(pcp) pcp_op_T__; \
pcp_op_T__ old__, new__, prev__; \
pcp_op_T__ *ptr__; \
- preempt_disable(); \
+ preempt_disable_notrace(); \
ptr__ = raw_cpu_ptr(&(pcp)); \
prev__ = *ptr__; \
do { \
@@ -37,7 +37,7 @@
new__ = old__ op (val); \
prev__ = cmpxchg(ptr__, old__, new__); \
} while (prev__ != old__); \
- preempt_enable(); \
+ preempt_enable_notrace(); \
new__; \
})
@@ -68,7 +68,7 @@
typedef typeof(pcp) pcp_op_T__; \
pcp_op_T__ val__ = (val); \
pcp_op_T__ old__, *ptr__; \
- preempt_disable(); \
+ preempt_disable_notrace(); \
ptr__ = raw_cpu_ptr(&(pcp)); \
if (__builtin_constant_p(val__) && \
((szcast)val__ > -129) && ((szcast)val__ < 128)) { \
@@ -84,7 +84,7 @@
: [val__] "d" (val__) \
: "cc"); \
} \
- preempt_enable(); \
+ preempt_enable_notrace(); \
}
#define this_cpu_add_4(pcp, val) arch_this_cpu_add(pcp, val, "laa", "asi", int)
@@ -95,14 +95,14 @@
typedef typeof(pcp) pcp_op_T__; \
pcp_op_T__ val__ = (val); \
pcp_op_T__ old__, *ptr__; \
- preempt_disable(); \
+ preempt_disable_notrace(); \
ptr__ = raw_cpu_ptr(&(pcp)); \
asm volatile( \
op " %[old__],%[val__],%[ptr__]\n" \
: [old__] "=d" (old__), [ptr__] "+Q" (*ptr__) \
: [val__] "d" (val__) \
: "cc"); \
- preempt_enable(); \
+ preempt_enable_notrace(); \
old__ + val__; \
})
@@ -114,14 +114,14 @@
typedef typeof(pcp) pcp_op_T__; \
pcp_op_T__ val__ = (val); \
pcp_op_T__ old__, *ptr__; \
- preempt_disable(); \
+ preempt_disable_notrace(); \
ptr__ = raw_cpu_ptr(&(pcp)); \
asm volatile( \
op " %[old__],%[val__],%[ptr__]\n" \
: [old__] "=d" (old__), [ptr__] "+Q" (*ptr__) \
: [val__] "d" (val__) \
: "cc"); \
- preempt_enable(); \
+ preempt_enable_notrace(); \
}
#define this_cpu_and_4(pcp, val) arch_this_cpu_to_op(pcp, val, "lan")
@@ -136,10 +136,10 @@
typedef typeof(pcp) pcp_op_T__; \
pcp_op_T__ ret__; \
pcp_op_T__ *ptr__; \
- preempt_disable(); \
+ preempt_disable_notrace(); \
ptr__ = raw_cpu_ptr(&(pcp)); \
ret__ = cmpxchg(ptr__, oval, nval); \
- preempt_enable(); \
+ preempt_enable_notrace(); \
ret__; \
})
@@ -152,10 +152,10 @@
({ \
typeof(pcp) *ptr__; \
typeof(pcp) ret__; \
- preempt_disable(); \
+ preempt_disable_notrace(); \
ptr__ = raw_cpu_ptr(&(pcp)); \
ret__ = xchg(ptr__, nval); \
- preempt_enable(); \
+ preempt_enable_notrace(); \
ret__; \
})
@@ -171,11 +171,11 @@
typeof(pcp1) *p1__; \
typeof(pcp2) *p2__; \
int ret__; \
- preempt_disable(); \
+ preempt_disable_notrace(); \
p1__ = raw_cpu_ptr(&(pcp1)); \
p2__ = raw_cpu_ptr(&(pcp2)); \
ret__ = __cmpxchg_double(p1__, p2__, o1__, o2__, n1__, n2__); \
- preempt_enable(); \
+ preempt_enable_notrace(); \
ret__; \
})
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index d87b83a77aff..6b8d8c69b1a1 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -1268,26 +1268,44 @@ static inline pgd_t *pgd_offset_raw(pgd_t *pgd, unsigned long address)
#define pgd_offset(mm, address) pgd_offset_raw(READ_ONCE((mm)->pgd), address)
-static inline p4d_t *p4d_offset(pgd_t *pgd, unsigned long address)
+static inline p4d_t *p4d_offset_lockless(pgd_t *pgdp, pgd_t pgd, unsigned long address)
{
- if ((pgd_val(*pgd) & _REGION_ENTRY_TYPE_MASK) >= _REGION_ENTRY_TYPE_R1)
- return (p4d_t *) pgd_deref(*pgd) + p4d_index(address);
- return (p4d_t *) pgd;
+ if ((pgd_val(pgd) & _REGION_ENTRY_TYPE_MASK) >= _REGION_ENTRY_TYPE_R1)
+ return (p4d_t *) pgd_deref(pgd) + p4d_index(address);
+ return (p4d_t *) pgdp;
}
+#define p4d_offset_lockless p4d_offset_lockless
-static inline pud_t *pud_offset(p4d_t *p4d, unsigned long address)
+static inline p4d_t *p4d_offset(pgd_t *pgdp, unsigned long address)
{
- if ((p4d_val(*p4d) & _REGION_ENTRY_TYPE_MASK) >= _REGION_ENTRY_TYPE_R2)
- return (pud_t *) p4d_deref(*p4d) + pud_index(address);
- return (pud_t *) p4d;
+ return p4d_offset_lockless(pgdp, *pgdp, address);
+}
+
+static inline pud_t *pud_offset_lockless(p4d_t *p4dp, p4d_t p4d, unsigned long address)
+{
+ if ((p4d_val(p4d) & _REGION_ENTRY_TYPE_MASK) >= _REGION_ENTRY_TYPE_R2)
+ return (pud_t *) p4d_deref(p4d) + pud_index(address);
+ return (pud_t *) p4dp;
+}
+#define pud_offset_lockless pud_offset_lockless
+
+static inline pud_t *pud_offset(p4d_t *p4dp, unsigned long address)
+{
+ return pud_offset_lockless(p4dp, *p4dp, address);
}
#define pud_offset pud_offset
-static inline pmd_t *pmd_offset(pud_t *pud, unsigned long address)
+static inline pmd_t *pmd_offset_lockless(pud_t *pudp, pud_t pud, unsigned long address)
+{
+ if ((pud_val(pud) & _REGION_ENTRY_TYPE_MASK) >= _REGION_ENTRY_TYPE_R3)
+ return (pmd_t *) pud_deref(pud) + pmd_index(address);
+ return (pmd_t *) pudp;
+}
+#define pmd_offset_lockless pmd_offset_lockless
+
+static inline pmd_t *pmd_offset(pud_t *pudp, unsigned long address)
{
- if ((pud_val(*pud) & _REGION_ENTRY_TYPE_MASK) >= _REGION_ENTRY_TYPE_R3)
- return (pmd_t *) pud_deref(*pud) + pmd_index(address);
- return (pmd_t *) pud;
+ return pmd_offset_lockless(pudp, *pudp, address);
}
#define pmd_offset pmd_offset