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-rw-r--r--arch/s390/include/asm/ap.h28
-rw-r--r--arch/s390/include/asm/bitops.h4
-rw-r--r--arch/s390/include/asm/pgalloc.h4
-rw-r--r--arch/s390/include/asm/preempt.h2
-rw-r--r--arch/s390/include/asm/uaccess.h2
-rw-r--r--arch/s390/include/uapi/asm/Kbuild16
-rw-r--r--arch/s390/include/uapi/asm/zcrypt.h4
7 files changed, 28 insertions, 32 deletions
diff --git a/arch/s390/include/asm/ap.h b/arch/s390/include/asm/ap.h
index 8c00fd509c45..1a6a7092d942 100644
--- a/arch/s390/include/asm/ap.h
+++ b/arch/s390/include/asm/ap.h
@@ -221,16 +221,22 @@ static inline struct ap_queue_status ap_aqic(ap_qid_t qid,
void *ind)
{
register unsigned long reg0 asm ("0") = qid | (3UL << 24);
- register struct ap_qirq_ctrl reg1_in asm ("1") = qirqctrl;
- register struct ap_queue_status reg1_out asm ("1");
+ register union {
+ unsigned long value;
+ struct ap_qirq_ctrl qirqctrl;
+ struct ap_queue_status status;
+ } reg1 asm ("1");
register void *reg2 asm ("2") = ind;
+ reg1.qirqctrl = qirqctrl;
+
asm volatile(
".long 0xb2af0000" /* PQAP(AQIC) */
- : "=d" (reg1_out)
- : "d" (reg0), "d" (reg1_in), "d" (reg2)
+ : "+d" (reg1)
+ : "d" (reg0), "d" (reg2)
: "cc");
- return reg1_out;
+
+ return reg1.status;
}
/*
@@ -264,17 +270,21 @@ static inline struct ap_queue_status ap_qact(ap_qid_t qid, int ifbit,
{
register unsigned long reg0 asm ("0") = qid | (5UL << 24)
| ((ifbit & 0x01) << 22);
- register unsigned long reg1_in asm ("1") = apinfo->val;
- register struct ap_queue_status reg1_out asm ("1");
+ register union {
+ unsigned long value;
+ struct ap_queue_status status;
+ } reg1 asm ("1");
register unsigned long reg2 asm ("2");
+ reg1.value = apinfo->val;
+
asm volatile(
".long 0xb2af0000" /* PQAP(QACT) */
- : "+d" (reg1_in), "=d" (reg1_out), "=d" (reg2)
+ : "+d" (reg1), "=d" (reg2)
: "d" (reg0)
: "cc");
apinfo->val = reg2;
- return reg1_out;
+ return reg1.status;
}
/**
diff --git a/arch/s390/include/asm/bitops.h b/arch/s390/include/asm/bitops.h
index 86e5b2fdee3c..d1f8a4d94cca 100644
--- a/arch/s390/include/asm/bitops.h
+++ b/arch/s390/include/asm/bitops.h
@@ -397,9 +397,9 @@ static inline int fls64(unsigned long word)
* This is defined the same way as ffs.
* Note fls(0) = 0, fls(1) = 1, fls(0x80000000) = 32.
*/
-static inline int fls(int word)
+static inline int fls(unsigned int word)
{
- return fls64((unsigned int)word);
+ return fls64(word);
}
#else /* CONFIG_HAVE_MARCH_Z9_109_FEATURES */
diff --git a/arch/s390/include/asm/pgalloc.h b/arch/s390/include/asm/pgalloc.h
index 5ee733720a57..bccb8f4a63e2 100644
--- a/arch/s390/include/asm/pgalloc.h
+++ b/arch/s390/include/asm/pgalloc.h
@@ -139,8 +139,8 @@ static inline void pmd_populate(struct mm_struct *mm,
/*
* page table entry allocation/free routines.
*/
-#define pte_alloc_one_kernel(mm, vmaddr) ((pte_t *) page_table_alloc(mm))
-#define pte_alloc_one(mm, vmaddr) ((pte_t *) page_table_alloc(mm))
+#define pte_alloc_one_kernel(mm) ((pte_t *)page_table_alloc(mm))
+#define pte_alloc_one(mm) ((pte_t *)page_table_alloc(mm))
#define pte_free_kernel(mm, pte) page_table_free(mm, (unsigned long *) pte)
#define pte_free(mm, pte) page_table_free(mm, (unsigned long *) pte)
diff --git a/arch/s390/include/asm/preempt.h b/arch/s390/include/asm/preempt.h
index 23a14d187fb1..b5ea9e14c017 100644
--- a/arch/s390/include/asm/preempt.h
+++ b/arch/s390/include/asm/preempt.h
@@ -8,6 +8,8 @@
#ifdef CONFIG_HAVE_MARCH_Z196_FEATURES
+/* We use the MSB mostly because its available */
+#define PREEMPT_NEED_RESCHED 0x80000000
#define PREEMPT_ENABLED (0 + PREEMPT_NEED_RESCHED)
static inline int preempt_count(void)
diff --git a/arch/s390/include/asm/uaccess.h b/arch/s390/include/asm/uaccess.h
index ad6b91013a05..bd2545977ad3 100644
--- a/arch/s390/include/asm/uaccess.h
+++ b/arch/s390/include/asm/uaccess.h
@@ -48,7 +48,7 @@ static inline int __range_ok(unsigned long addr, unsigned long size)
__range_ok((unsigned long)(addr), (size)); \
})
-#define access_ok(type, addr, size) __access_ok(addr, size)
+#define access_ok(addr, size) __access_ok(addr, size)
unsigned long __must_check
raw_copy_from_user(void *to, const void __user *from, unsigned long n);
diff --git a/arch/s390/include/uapi/asm/Kbuild b/arch/s390/include/uapi/asm/Kbuild
index dc38a90cf091..da3e0d48abbc 100644
--- a/arch/s390/include/uapi/asm/Kbuild
+++ b/arch/s390/include/uapi/asm/Kbuild
@@ -1,21 +1,5 @@
# SPDX-License-Identifier: GPL-2.0
-# UAPI Header export list
include include/uapi/asm-generic/Kbuild.asm
generated-y += unistd_32.h
generated-y += unistd_64.h
-
-generic-y += errno.h
-generic-y += fcntl.h
-generic-y += ioctl.h
-generic-y += mman.h
-generic-y += msgbuf.h
-generic-y += param.h
-generic-y += poll.h
-generic-y += resource.h
-generic-y += sembuf.h
-generic-y += shmbuf.h
-generic-y += sockios.h
-generic-y += swab.h
-generic-y += termbits.h
-generic-y += siginfo.h \ No newline at end of file
diff --git a/arch/s390/include/uapi/asm/zcrypt.h b/arch/s390/include/uapi/asm/zcrypt.h
index 42c81a95e97b..494c34c50716 100644
--- a/arch/s390/include/uapi/asm/zcrypt.h
+++ b/arch/s390/include/uapi/asm/zcrypt.h
@@ -150,8 +150,8 @@ struct ica_xcRB {
* @cprb_len: CPRB header length [0x0020]
* @cprb_ver_id: CPRB version id. [0x04]
* @pad_000: Alignment pad bytes
- * @flags: Admin cmd [0x80] or functional cmd [0x00]
- * @func_id: Function id / subtype [0x5434]
+ * @flags: Admin bit [0x80], Special bit [0x20]
+ * @func_id: Function id / subtype [0x5434] "T4"
* @source_id: Source id [originator id]
* @target_id: Target id [usage/ctrl domain id]
* @ret_code: Return code
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