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Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/Kconfig2
-rw-r--r--arch/s390/include/asm/ap.h14
-rw-r--r--arch/s390/include/uapi/asm/zcrypt.h72
-rw-r--r--arch/s390/kernel/asm-offsets.c8
-rw-r--r--arch/s390/kernel/crash_dump.c70
-rw-r--r--arch/s390/kernel/ebcdic.c36
-rw-r--r--arch/s390/pci/pci.c3
-rw-r--r--arch/s390/pci/pci_debug.c1
8 files changed, 98 insertions, 108 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 054b29c9a533..9a9c7a6fe925 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -140,7 +140,7 @@ config S390
select HAVE_FUNCTION_GRAPH_TRACER
select HAVE_FUNCTION_TRACER
select HAVE_FUTEX_CMPXCHG if FUTEX
- select HAVE_GCC_PLUGINS if BROKEN
+ select HAVE_GCC_PLUGINS
select HAVE_KERNEL_BZIP2
select HAVE_KERNEL_GZIP
select HAVE_KERNEL_LZ4
diff --git a/arch/s390/include/asm/ap.h b/arch/s390/include/asm/ap.h
index 046e044a48d0..8c00fd509c45 100644
--- a/arch/s390/include/asm/ap.h
+++ b/arch/s390/include/asm/ap.h
@@ -49,23 +49,23 @@ struct ap_queue_status {
/**
* ap_intructions_available() - Test if AP instructions are available.
*
- * Returns 0 if the AP instructions are installed.
+ * Returns true if the AP instructions are installed, otherwise false.
*/
-static inline int ap_instructions_available(void)
+static inline bool ap_instructions_available(void)
{
register unsigned long reg0 asm ("0") = AP_MKQID(0, 0);
- register unsigned long reg1 asm ("1") = -ENODEV;
- register unsigned long reg2 asm ("2");
+ register unsigned long reg1 asm ("1") = 0;
+ register unsigned long reg2 asm ("2") = 0;
asm volatile(
" .long 0xb2af0000\n" /* PQAP(TAPQ) */
- "0: la %0,0\n"
+ "0: la %0,1\n"
"1:\n"
EX_TABLE(0b, 1b)
- : "+d" (reg1), "=d" (reg2)
+ : "+d" (reg1), "+d" (reg2)
: "d" (reg0)
: "cc");
- return reg1;
+ return reg1 != 0;
}
/**
diff --git a/arch/s390/include/uapi/asm/zcrypt.h b/arch/s390/include/uapi/asm/zcrypt.h
index b62e0614e440..2bb1f3bb98ac 100644
--- a/arch/s390/include/uapi/asm/zcrypt.h
+++ b/arch/s390/include/uapi/asm/zcrypt.h
@@ -32,12 +32,12 @@
* - length(n_modulus) = inputdatalength
*/
struct ica_rsa_modexpo {
- char __user * inputdata;
- unsigned int inputdatalength;
- char __user * outputdata;
- unsigned int outputdatalength;
- char __user * b_key;
- char __user * n_modulus;
+ char __user *inputdata;
+ unsigned int inputdatalength;
+ char __user *outputdata;
+ unsigned int outputdatalength;
+ char __user *b_key;
+ char __user *n_modulus;
};
/**
@@ -55,15 +55,15 @@ struct ica_rsa_modexpo {
* - length(u_mult_inv) = inputdatalength/2 + 8
*/
struct ica_rsa_modexpo_crt {
- char __user * inputdata;
- unsigned int inputdatalength;
- char __user * outputdata;
- unsigned int outputdatalength;
- char __user * bp_key;
- char __user * bq_key;
- char __user * np_prime;
- char __user * nq_prime;
- char __user * u_mult_inv;
+ char __user *inputdata;
+ unsigned int inputdatalength;
+ char __user *outputdata;
+ unsigned int outputdatalength;
+ char __user *bp_key;
+ char __user *bq_key;
+ char __user *np_prime;
+ char __user *nq_prime;
+ char __user *u_mult_inv;
};
/**
@@ -93,18 +93,18 @@ struct CPRBX {
unsigned int req_extbl; /* request extension block len */
unsigned char pad_001[4]; /* reserved */
unsigned int rpld_extbl; /* replied extension block len */
- unsigned char padx000[16 - sizeof (char *)];
- unsigned char * req_parmb; /* request parm block 'address' */
- unsigned char padx001[16 - sizeof (char *)];
- unsigned char * req_datab; /* request data block 'address' */
- unsigned char padx002[16 - sizeof (char *)];
- unsigned char * rpl_parmb; /* reply parm block 'address' */
- unsigned char padx003[16 - sizeof (char *)];
- unsigned char * rpl_datab; /* reply data block 'address' */
- unsigned char padx004[16 - sizeof (char *)];
- unsigned char * req_extb; /* request extension block 'addr'*/
- unsigned char padx005[16 - sizeof (char *)];
- unsigned char * rpl_extb; /* reply extension block 'address'*/
+ unsigned char padx000[16 - sizeof(char *)];
+ unsigned char *req_parmb; /* request parm block 'address' */
+ unsigned char padx001[16 - sizeof(char *)];
+ unsigned char *req_datab; /* request data block 'address' */
+ unsigned char padx002[16 - sizeof(char *)];
+ unsigned char *rpl_parmb; /* reply parm block 'address' */
+ unsigned char padx003[16 - sizeof(char *)];
+ unsigned char *rpl_datab; /* reply data block 'address' */
+ unsigned char padx004[16 - sizeof(char *)];
+ unsigned char *req_extb; /* request extension block 'addr'*/
+ unsigned char padx005[16 - sizeof(char *)];
+ unsigned char *rpl_extb; /* reply extension block 'address'*/
unsigned short ccp_rtcode; /* server return code */
unsigned short ccp_rscode; /* server reason code */
unsigned int mac_data_len; /* Mac Data Length */
@@ -127,17 +127,17 @@ struct ica_xcRB {
unsigned int user_defined;
unsigned short request_ID;
unsigned int request_control_blk_length;
- unsigned char padding1[16 - sizeof (char *)];
- char __user * request_control_blk_addr;
+ unsigned char padding1[16 - sizeof(char *)];
+ char __user *request_control_blk_addr;
unsigned int request_data_length;
- char padding2[16 - sizeof (char *)];
- char __user * request_data_address;
+ char padding2[16 - sizeof(char *)];
+ char __user *request_data_address;
unsigned int reply_control_blk_length;
- char padding3[16 - sizeof (char *)];
- char __user * reply_control_blk_addr;
+ char padding3[16 - sizeof(char *)];
+ char __user *reply_control_blk_addr;
unsigned int reply_data_length;
- char padding4[16 - sizeof (char *)];
- char __user * reply_data_addr;
+ char padding4[16 - sizeof(char *)];
+ char __user *reply_data_addr;
unsigned short priority_window;
unsigned int status;
} __attribute__((packed));
@@ -233,7 +233,7 @@ struct zcrypt_device_matrix_ext {
struct zcrypt_device_status_ext device[MAX_ZDEV_ENTRIES_EXT];
};
-#define AUTOSELECT ((unsigned int)0xFFFFFFFF)
+#define AUTOSELECT 0xFFFFFFFF
#define ZCRYPT_IOCTL_MAGIC 'z'
diff --git a/arch/s390/kernel/asm-offsets.c b/arch/s390/kernel/asm-offsets.c
index 11aea745a2a6..66e830f1c7bf 100644
--- a/arch/s390/kernel/asm-offsets.c
+++ b/arch/s390/kernel/asm-offsets.c
@@ -17,14 +17,6 @@
#include <asm/gmap.h>
#include <asm/nmi.h>
-/*
- * Make sure that the compiler is new enough. We want a compiler that
- * is known to work with the "Q" assembler constraint.
- */
-#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 3)
-#error Your compiler is too old; please use version 4.3 or newer
-#endif
-
int main(void)
{
/* task struct offsets */
diff --git a/arch/s390/kernel/crash_dump.c b/arch/s390/kernel/crash_dump.c
index c3620bafc374..376f6b6dfb3c 100644
--- a/arch/s390/kernel/crash_dump.c
+++ b/arch/s390/kernel/crash_dump.c
@@ -293,19 +293,6 @@ int remap_oldmem_pfn_range(struct vm_area_struct *vma, unsigned long from,
prot);
}
-/*
- * Alloc memory and panic in case of ENOMEM
- */
-static void *kzalloc_panic(int len)
-{
- void *rc;
-
- rc = kzalloc(len, GFP_KERNEL);
- if (!rc)
- panic("s390 kdump kzalloc (%d) failed", len);
- return rc;
-}
-
static const char *nt_name(Elf64_Word type)
{
const char *name = "LINUX";
@@ -451,11 +438,15 @@ static void *get_vmcoreinfo_old(unsigned long *size)
if (copy_oldmem_kernel(nt_name, addr + sizeof(note),
sizeof(nt_name) - 1))
return NULL;
- if (strcmp(nt_name, "VMCOREINFO") != 0)
+ if (strcmp(nt_name, VMCOREINFO_NOTE_NAME) != 0)
+ return NULL;
+ vmcoreinfo = kzalloc(note.n_descsz, GFP_KERNEL);
+ if (!vmcoreinfo)
return NULL;
- vmcoreinfo = kzalloc_panic(note.n_descsz);
- if (copy_oldmem_kernel(vmcoreinfo, addr + 24, note.n_descsz))
+ if (copy_oldmem_kernel(vmcoreinfo, addr + 24, note.n_descsz)) {
+ kfree(vmcoreinfo);
return NULL;
+ }
*size = note.n_descsz;
return vmcoreinfo;
}
@@ -465,39 +456,38 @@ static void *get_vmcoreinfo_old(unsigned long *size)
*/
static void *nt_vmcoreinfo(void *ptr)
{
+ const char *name = VMCOREINFO_NOTE_NAME;
unsigned long size;
void *vmcoreinfo;
vmcoreinfo = os_info_old_entry(OS_INFO_VMCOREINFO, &size);
- if (!vmcoreinfo)
- vmcoreinfo = get_vmcoreinfo_old(&size);
+ if (vmcoreinfo)
+ return nt_init_name(ptr, 0, vmcoreinfo, size, name);
+
+ vmcoreinfo = get_vmcoreinfo_old(&size);
if (!vmcoreinfo)
return ptr;
- return nt_init_name(ptr, 0, vmcoreinfo, size, "VMCOREINFO");
+ ptr = nt_init_name(ptr, 0, vmcoreinfo, size, name);
+ kfree(vmcoreinfo);
+ return ptr;
}
static size_t nt_vmcoreinfo_size(void)
{
- const char *name = "VMCOREINFO";
- char nt_name[11];
- Elf64_Nhdr note;
- void *addr;
-
- if (copy_oldmem_kernel(&addr, &S390_lowcore.vmcore_info, sizeof(addr)))
- return 0;
-
- if (copy_oldmem_kernel(&note, addr, sizeof(note)))
- return 0;
+ const char *name = VMCOREINFO_NOTE_NAME;
+ unsigned long size;
+ void *vmcoreinfo;
- memset(nt_name, 0, sizeof(nt_name));
- if (copy_oldmem_kernel(nt_name, addr + sizeof(note),
- sizeof(nt_name) - 1))
- return 0;
+ vmcoreinfo = os_info_old_entry(OS_INFO_VMCOREINFO, &size);
+ if (vmcoreinfo)
+ return nt_size_name(size, name);
- if (strcmp(nt_name, name) != 0)
+ vmcoreinfo = get_vmcoreinfo_old(&size);
+ if (!vmcoreinfo)
return 0;
- return nt_size_name(note.n_descsz, name);
+ kfree(vmcoreinfo);
+ return nt_size_name(size, name);
}
/*
@@ -660,7 +650,15 @@ int elfcorehdr_alloc(unsigned long long *addr, unsigned long long *size)
alloc_size = get_elfcorehdr_size(mem_chunk_cnt);
- hdr = kzalloc_panic(alloc_size);
+ hdr = kzalloc(alloc_size, GFP_KERNEL);
+
+ /* Without elfcorehdr /proc/vmcore cannot be created. Thus creating
+ * a dump with this crash kernel will fail. Panic now to allow other
+ * dump mechanisms to take over.
+ */
+ if (!hdr)
+ panic("s390 kdump allocating elfcorehdr failed");
+
/* Init elf header */
ptr = ehdr_init(hdr, mem_chunk_cnt);
/* Init program headers */
diff --git a/arch/s390/kernel/ebcdic.c b/arch/s390/kernel/ebcdic.c
index c15caeab1dbf..7f8246c9be08 100644
--- a/arch/s390/kernel/ebcdic.c
+++ b/arch/s390/kernel/ebcdic.c
@@ -111,15 +111,15 @@ __u8 _ebcasc[256] =
0x07, 0x07, 0x16, 0x07, 0x07, 0x07, 0x07, 0x04,
/* 0x38 -SBS -IT -RFF -CU3 DC4 NAK ---- SUB */
0x07, 0x07, 0x07, 0x07, 0x14, 0x15, 0x07, 0x1A,
- /* 0x40 SP RSP ---- */
+ /* 0x40 SP RSP ä ---- */
0x20, 0xFF, 0x83, 0x84, 0x85, 0xA0, 0x07, 0x86,
/* 0x48 . < ( + | */
0x87, 0xA4, 0x9B, 0x2E, 0x3C, 0x28, 0x2B, 0x7C,
/* 0x50 & ---- */
0x26, 0x82, 0x88, 0x89, 0x8A, 0xA1, 0x8C, 0x07,
- /* 0x58 ! $ * ) ; */
+ /* 0x58 ß ! $ * ) ; */
0x8D, 0xE1, 0x21, 0x24, 0x2A, 0x29, 0x3B, 0xAA,
- /* 0x60 - / ---- ---- ---- ---- */
+ /* 0x60 - / ---- Ä ---- ---- ---- */
0x2D, 0x2F, 0x07, 0x8E, 0x07, 0x07, 0x07, 0x8F,
/* 0x68 ---- , % _ > ? */
0x80, 0xA5, 0x07, 0x2C, 0x25, 0x5F, 0x3E, 0x3F,
@@ -131,7 +131,7 @@ __u8 _ebcasc[256] =
0x07, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
/* 0x88 h i ---- ---- ---- */
0x68, 0x69, 0xAE, 0xAF, 0x07, 0x07, 0x07, 0xF1,
- /* 0x90 j k l m n o p */
+ /* 0x90 ° j k l m n o p */
0xF8, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70,
/* 0x98 q r ---- ---- */
0x71, 0x72, 0xA6, 0xA7, 0x91, 0x07, 0x92, 0x07,
@@ -139,25 +139,25 @@ __u8 _ebcasc[256] =
0xE6, 0x7E, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78,
/* 0xA8 y z ---- ---- ---- ---- */
0x79, 0x7A, 0xAD, 0xAB, 0x07, 0x07, 0x07, 0x07,
- /* 0xB0 ^ ---- ---- */
+ /* 0xB0 ^ ---- § ---- */
0x5E, 0x9C, 0x9D, 0xFA, 0x07, 0x07, 0x07, 0xAC,
/* 0xB8 ---- [ ] ---- ---- ---- ---- */
0xAB, 0x07, 0x5B, 0x5D, 0x07, 0x07, 0x07, 0x07,
/* 0xC0 { A B C D E F G */
0x7B, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
- /* 0xC8 H I ---- ---- */
+ /* 0xC8 H I ---- ö ---- */
0x48, 0x49, 0x07, 0x93, 0x94, 0x95, 0xA2, 0x07,
/* 0xD0 } J K L M N O P */
0x7D, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50,
- /* 0xD8 Q R ---- */
+ /* 0xD8 Q R ---- ü */
0x51, 0x52, 0x07, 0x96, 0x81, 0x97, 0xA3, 0x98,
/* 0xE0 \ S T U V W X */
0x5C, 0xF6, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58,
- /* 0xE8 Y Z ---- ---- ---- ---- */
+ /* 0xE8 Y Z ---- Ö ---- ---- ---- */
0x59, 0x5A, 0xFD, 0x07, 0x99, 0x07, 0x07, 0x07,
/* 0xF0 0 1 2 3 4 5 6 7 */
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
- /* 0xF8 8 9 ---- ---- ---- ---- ---- */
+ /* 0xF8 8 9 ---- ---- Ü ---- ---- ---- */
0x38, 0x39, 0x07, 0x07, 0x9A, 0x07, 0x07, 0x07
};
@@ -260,15 +260,15 @@ __u8 _ebcasc_500[256] =
0x07, 0x07, 0x16, 0x07, 0x07, 0x07, 0x07, 0x04,
/* 0x38 -SBS -IT -RFF -CU3 DC4 NAK ---- SUB */
0x07, 0x07, 0x07, 0x07, 0x14, 0x15, 0x07, 0x1A,
- /* 0x40 SP RSP ---- */
+ /* 0x40 SP RSP ä ---- */
0x20, 0xFF, 0x83, 0x84, 0x85, 0xA0, 0x07, 0x86,
/* 0x48 [ . < ( + ! */
0x87, 0xA4, 0x5B, 0x2E, 0x3C, 0x28, 0x2B, 0x21,
/* 0x50 & ---- */
0x26, 0x82, 0x88, 0x89, 0x8A, 0xA1, 0x8C, 0x07,
- /* 0x58 ] $ * ) ; ^ */
+ /* 0x58 ß ] $ * ) ; ^ */
0x8D, 0xE1, 0x5D, 0x24, 0x2A, 0x29, 0x3B, 0x5E,
- /* 0x60 - / ---- ---- ---- ---- */
+ /* 0x60 - / ---- Ä ---- ---- ---- */
0x2D, 0x2F, 0x07, 0x8E, 0x07, 0x07, 0x07, 0x8F,
/* 0x68 ---- , % _ > ? */
0x80, 0xA5, 0x07, 0x2C, 0x25, 0x5F, 0x3E, 0x3F,
@@ -280,7 +280,7 @@ __u8 _ebcasc_500[256] =
0x07, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
/* 0x88 h i ---- ---- ---- */
0x68, 0x69, 0xAE, 0xAF, 0x07, 0x07, 0x07, 0xF1,
- /* 0x90 j k l m n o p */
+ /* 0x90 ° j k l m n o p */
0xF8, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70,
/* 0x98 q r ---- ---- */
0x71, 0x72, 0xA6, 0xA7, 0x91, 0x07, 0x92, 0x07,
@@ -288,25 +288,25 @@ __u8 _ebcasc_500[256] =
0xE6, 0x7E, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78,
/* 0xA8 y z ---- ---- ---- ---- */
0x79, 0x7A, 0xAD, 0xAB, 0x07, 0x07, 0x07, 0x07,
- /* 0xB0 ---- ---- */
+ /* 0xB0 ---- § ---- */
0x9B, 0x9C, 0x9D, 0xFA, 0x07, 0x07, 0x07, 0xAC,
/* 0xB8 ---- | ---- ---- ---- ---- */
0xAB, 0x07, 0xAA, 0x7C, 0x07, 0x07, 0x07, 0x07,
/* 0xC0 { A B C D E F G */
0x7B, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
- /* 0xC8 H I ---- ---- */
+ /* 0xC8 H I ---- ö ---- */
0x48, 0x49, 0x07, 0x93, 0x94, 0x95, 0xA2, 0x07,
/* 0xD0 } J K L M N O P */
0x7D, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50,
- /* 0xD8 Q R ---- */
+ /* 0xD8 Q R ---- ü */
0x51, 0x52, 0x07, 0x96, 0x81, 0x97, 0xA3, 0x98,
/* 0xE0 \ S T U V W X */
0x5C, 0xF6, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58,
- /* 0xE8 Y Z ---- ---- ---- ---- */
+ /* 0xE8 Y Z ---- Ö ---- ---- ---- */
0x59, 0x5A, 0xFD, 0x07, 0x99, 0x07, 0x07, 0x07,
/* 0xF0 0 1 2 3 4 5 6 7 */
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
- /* 0xF8 8 9 ---- ---- ---- ---- ---- */
+ /* 0xF8 8 9 ---- ---- Ü ---- ---- ---- */
0x38, 0x39, 0x07, 0x07, 0x9A, 0x07, 0x07, 0x07
};
diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c
index 4902fed221c0..9f6f392a4461 100644
--- a/arch/s390/pci/pci.c
+++ b/arch/s390/pci/pci.c
@@ -420,7 +420,8 @@ int arch_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
/* Request MSI interrupts */
hwirq = 0;
for_each_pci_msi_entry(msi, pdev) {
- rc = -EIO;
+ if (hwirq >= msi_vecs)
+ break;
irq = irq_alloc_desc(0); /* Alloc irq on node 0 */
if (irq < 0)
return -ENOMEM;
diff --git a/arch/s390/pci/pci_debug.c b/arch/s390/pci/pci_debug.c
index 57f7cdac70a3..04388a254ffb 100644
--- a/arch/s390/pci/pci_debug.c
+++ b/arch/s390/pci/pci_debug.c
@@ -93,7 +93,6 @@ static int pci_perf_show(struct seq_file *m, void *v)
}
/* header */
- seq_printf(m, "FMB @ %p\n", zdev->fmb);
seq_printf(m, "Update interval: %u ms\n", zdev->fmb_update);
seq_printf(m, "Samples: %u\n", zdev->fmb->samples);
seq_printf(m, "Last update TOD: %Lx\n", zdev->fmb->last_update);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-14 13:44:38 +0000