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[S390] rename lowcore field

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The 16 bit value at the lowcore location with offset 0x84 is the
cpu address that is associated with an external interrupt. Rename
the field from cpu_addr to ext_cpu_addr to make that clear.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Martin Schwidefsky 2012-03-11 11:59:25 -04:00
parent 4fdf7f432c
commit 7e180bd802
6 changed files with 10 additions and 10 deletions
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4
arch/s390/include/asm/lowcore.h
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@ -56,7 +56,7 @@ struct _lowcore {
psw_t mcck_new_psw; /* 0x0070 */
psw_t io_new_psw; /* 0x0078 */
__u32 ext_params; /* 0x0080 */
__u16 cpu_addr; /* 0x0084 */
__u16 ext_cpu_addr; /* 0x0084 */
__u16 ext_int_code; /* 0x0086 */
__u16 svc_ilc; /* 0x0088 */
__u16 svc_code; /* 0x008a */
@ -189,7 +189,7 @@ struct _lowcore {
__u32 ipl_parmblock_ptr; /* 0x0014 */
__u8 pad_0x0018[0x0080-0x0018]; /* 0x0018 */
__u32 ext_params; /* 0x0080 */
__u16 cpu_addr; /* 0x0084 */
__u16 ext_cpu_addr; /* 0x0084 */
__u16 ext_int_code; /* 0x0086 */
__u16 svc_ilc; /* 0x0088 */
__u16 svc_code; /* 0x008a */

2
arch/s390/kernel/asm-offsets.c
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@ -78,7 +78,7 @@ int main(void)
BLANK();
/* lowcore offsets */
DEFINE(__LC_EXT_PARAMS, offsetof(struct _lowcore, ext_params));
DEFINE(__LC_CPU_ADDRESS, offsetof(struct _lowcore, cpu_addr));
DEFINE(__LC_EXT_CPU_ADDR, offsetof(struct _lowcore, ext_cpu_addr));
DEFINE(__LC_EXT_INT_CODE, offsetof(struct _lowcore, ext_int_code));
DEFINE(__LC_SVC_ILC, offsetof(struct _lowcore, svc_ilc));
DEFINE(__LC_SVC_INT_CODE, offsetof(struct _lowcore, svc_code));

2
arch/s390/kernel/entry.S
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@ -606,7 +606,7 @@ ext_skip:
stm %r8,%r9,__PT_PSW(%r11)
TRACE_IRQS_OFF
lr %r2,%r11 # pass pointer to pt_regs
l %r3,__LC_CPU_ADDRESS # get cpu address + interruption code
l %r3,__LC_EXT_CPU_ADDR # get cpu address + interruption code
l %r4,__LC_EXT_PARAMS # get external parameters
l %r1,BASED(.Ldo_extint)
basr %r14,%r1 # call do_extint

2
arch/s390/kernel/entry64.S
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@ -625,7 +625,7 @@ ext_skip:
TRACE_IRQS_OFF
lghi %r1,4096
lgr %r2,%r11 # pass pointer to pt_regs
llgf %r3,__LC_CPU_ADDRESS # get cpu address + interruption code
llgf %r3,__LC_EXT_CPU_ADDR # get cpu address + interruption code
llgf %r4,__LC_EXT_PARAMS # get external parameter
lg %r5,__LC_EXT_PARAMS2-4096(%r1) # get 64 bit external parameter
brasl %r14,do_extint

4
arch/s390/kernel/swsusp_asm64.S
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@ -42,7 +42,7 @@ ENTRY(swsusp_arch_suspend)
lghi %r1,0x1000
/* Save CPU address */
stap __LC_CPU_ADDRESS(%r0)
stap __LC_EXT_CPU_ADDR(%r0)
/* Store registers */
mvc 0x318(4,%r1),__SF_EMPTY(%r15) /* move prefix to lowcore */
@ -173,7 +173,7 @@ pgm_check_entry:
larl %r1,.Lresume_cpu /* Resume CPU address: r2 */
stap 0(%r1)
llgh %r2,0(%r1)
llgh %r1,__LC_CPU_ADDRESS(%r0) /* Suspend CPU address: r1 */
llgh %r1,__LC_EXT_CPU_ADDR(%r0) /* Suspend CPU address: r1 */
cgr %r1,%r2
je restore_registers /* r1 = r2 -> nothing to do */
larl %r4,.Lrestart_suspend_psw /* Set new restart PSW */

6
arch/s390/kvm/interrupt.c
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@ -134,7 +134,7 @@ static void __do_deliver_interrupt(struct kvm_vcpu *vcpu,
if (rc == -EFAULT)
exception = 1;
rc = put_guest_u16(vcpu, __LC_CPU_ADDRESS, inti->emerg.code);
rc = put_guest_u16(vcpu, __LC_EXT_CPU_ADDR, inti->emerg.code);
if (rc == -EFAULT)
exception = 1;
@ -156,7 +156,7 @@ static void __do_deliver_interrupt(struct kvm_vcpu *vcpu,
if (rc == -EFAULT)
exception = 1;
rc = put_guest_u16(vcpu, __LC_CPU_ADDRESS, inti->extcall.code);
rc = put_guest_u16(vcpu, __LC_EXT_CPU_ADDR, inti->extcall.code);
if (rc == -EFAULT)
exception = 1;
@ -202,7 +202,7 @@ static void __do_deliver_interrupt(struct kvm_vcpu *vcpu,
if (rc == -EFAULT)
exception = 1;
rc = put_guest_u16(vcpu, __LC_CPU_ADDRESS, 0x0d00);
rc = put_guest_u16(vcpu, __LC_EXT_CPU_ADDR, 0x0d00);
if (rc == -EFAULT)
exception = 1;