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s390: KVM preparation: address of the 64bit extint parm in lowcore
The address 0x11b8 is used by z/VM for pfault and diag 250 I/O to provide a 64 bit extint parameter. virtio uses the same address, so its time to update the lowcore structure. Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Carsten Otte <cotte@de.ibm.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
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@ -381,27 +381,32 @@ struct _lowcore
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/* whether the kernel died with panic() or not */
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__u32 panic_magic; /* 0xe00 */
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__u8 pad13[0x1200-0xe04]; /* 0xe04 */
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__u8 pad13[0x11b8-0xe04]; /* 0xe04 */
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/* 64 bit extparam used for pfault, diag 250 etc */
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__u64 ext_params2; /* 0x11B8 */
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__u8 pad14[0x1200-0x11C0]; /* 0x11C0 */
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/* System info area */
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__u64 floating_pt_save_area[16]; /* 0x1200 */
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__u64 gpregs_save_area[16]; /* 0x1280 */
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__u32 st_status_fixed_logout[4]; /* 0x1300 */
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__u8 pad14[0x1318-0x1310]; /* 0x1310 */
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__u8 pad15[0x1318-0x1310]; /* 0x1310 */
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__u32 prefixreg_save_area; /* 0x1318 */
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__u32 fpt_creg_save_area; /* 0x131c */
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__u8 pad15[0x1324-0x1320]; /* 0x1320 */
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__u8 pad16[0x1324-0x1320]; /* 0x1320 */
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__u32 tod_progreg_save_area; /* 0x1324 */
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__u32 cpu_timer_save_area[2]; /* 0x1328 */
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__u32 clock_comp_save_area[2]; /* 0x1330 */
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__u8 pad16[0x1340-0x1338]; /* 0x1338 */
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__u8 pad17[0x1340-0x1338]; /* 0x1338 */
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__u32 access_regs_save_area[16]; /* 0x1340 */
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__u64 cregs_save_area[16]; /* 0x1380 */
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/* align to the top of the prefix area */
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__u8 pad17[0x2000-0x1400]; /* 0x1400 */
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__u8 pad18[0x2000-0x1400]; /* 0x1400 */
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#endif /* !__s390x__ */
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} __attribute__((packed)); /* End structure*/
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