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Date:      Sat, 17 Feb 2018 20:59:12 +0000 (UTC)
From:      Justin Hibbits <jhibbits@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r329469 - in head/sys/powerpc: aim booke include powerpc ps3 pseries
Message-ID:  <201802172059.w1HKxCWS054597@repo.freebsd.org>

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Author: jhibbits
Date: Sat Feb 17 20:59:12 2018
New Revision: 329469
URL: https://svnweb.freebsd.org/changeset/base/329469

Log:
  Merge AIM and Book-E PCPU fields
  
  This is part of a long-term goal of merging Book-E and AIM into a single GENERIC
  kernel.  As more work is done, the struct may be optimized further.
  
  Reviewed by:	nwhitehorn

Modified:
  head/sys/powerpc/aim/aim_machdep.c
  head/sys/powerpc/aim/mmu_oea64.c
  head/sys/powerpc/aim/moea64_native.c
  head/sys/powerpc/aim/slb.c
  head/sys/powerpc/booke/booke_machdep.c
  head/sys/powerpc/booke/pmap.c
  head/sys/powerpc/include/pcpu.h
  head/sys/powerpc/powerpc/genassym.c
  head/sys/powerpc/powerpc/trap.c
  head/sys/powerpc/ps3/mmu_ps3.c
  head/sys/powerpc/pseries/mmu_phyp.c

Modified: head/sys/powerpc/aim/aim_machdep.c
==============================================================================
--- head/sys/powerpc/aim/aim_machdep.c	Sat Feb 17 20:56:35 2018	(r329468)
+++ head/sys/powerpc/aim/aim_machdep.c	Sat Feb 17 20:59:12 2018	(r329469)
@@ -442,7 +442,7 @@ cpu_pcpu_init(struct pcpu *pcpu, int cpuid, size_t sz)
 {
 #ifdef __powerpc64__
 /* Copy the SLB contents from the current CPU */
-memcpy(pcpu->pc_slb, PCPU_GET(slb), sizeof(pcpu->pc_slb));
+memcpy(pcpu->pc_aim.slb, PCPU_GET(aim.slb), sizeof(pcpu->pc_aim.slb));
 #endif
 }
 

Modified: head/sys/powerpc/aim/mmu_oea64.c
==============================================================================
--- head/sys/powerpc/aim/mmu_oea64.c	Sat Feb 17 20:56:35 2018	(r329468)
+++ head/sys/powerpc/aim/mmu_oea64.c	Sat Feb 17 20:59:12 2018	(r329469)
@@ -601,7 +601,7 @@ moea64_bootstrap_slb_prefault(vm_offset_t va, int larg
 	uint64_t esid, slbe;
 	uint64_t i;
 
-	cache = PCPU_GET(slb);
+	cache = PCPU_GET(aim.slb);
 	esid = va >> ADDR_SR_SHFT;
 	slbe = (esid << SLBE_ESID_SHIFT) | SLBE_VALID;
 
@@ -840,8 +840,8 @@ moea64_mid_bootstrap(mmu_t mmup, vm_offset_t kernelsta
 	 */
 	#ifdef __powerpc64__
 	for (i = 0; i < 64; i++) {
-		pcpup->pc_slb[i].slbv = 0;
-		pcpup->pc_slb[i].slbe = 0;
+		pcpup->pc_aim.slb[i].slbv = 0;
+		pcpup->pc_aim.slb[i].slbe = 0;
 	}
 	#else
 	for (i = 0; i < 16; i++) 
@@ -1017,9 +1017,10 @@ moea64_pmap_init_qpages(void)
 		if (pc->pc_qmap_addr == 0)
 			panic("pmap_init_qpages: unable to allocate KVA");
 		PMAP_LOCK(kernel_pmap);
-		pc->pc_qmap_pvo = moea64_pvo_find_va(kernel_pmap, pc->pc_qmap_addr);
+		pc->pc_aim.qmap_pvo =
+		    moea64_pvo_find_va(kernel_pmap, pc->pc_qmap_addr);
 		PMAP_UNLOCK(kernel_pmap);
-		mtx_init(&pc->pc_qmap_lock, "qmap lock", NULL, MTX_DEF);
+		mtx_init(&pc->pc_aim.qmap_lock, "qmap lock", NULL, MTX_DEF);
 	}
 }
 
@@ -1038,7 +1039,7 @@ moea64_activate(mmu_t mmu, struct thread *td)
 	CPU_SET(PCPU_GET(cpuid), &pm->pm_active);
 
 	#ifdef __powerpc64__
-	PCPU_SET(userslb, pm->pm_slb);
+	PCPU_SET(aim.userslb, pm->pm_slb);
 	__asm __volatile("slbmte %0, %1; isync" ::
 	    "r"(td->td_pcb->pcb_cpu.aim.usr_vsid), "r"(USER_SLB_SLBE));
 	#else
@@ -1057,7 +1058,7 @@ moea64_deactivate(mmu_t mmu, struct thread *td)
 	pm = &td->td_proc->p_vmspace->vm_pmap;
 	CPU_CLR(PCPU_GET(cpuid), &pm->pm_active);
 	#ifdef __powerpc64__
-	PCPU_SET(userslb, NULL);
+	PCPU_SET(aim.userslb, NULL);
 	#else
 	PCPU_SET(curpmap, NULL);
 	#endif
@@ -1153,12 +1154,12 @@ moea64_copy_pages_dmap(mmu_t mmu, vm_page_t *ma, vm_of
 	while (xfersize > 0) {
 		a_pg_offset = a_offset & PAGE_MASK;
 		cnt = min(xfersize, PAGE_SIZE - a_pg_offset);
-		a_cp = (char *)PHYS_TO_DMAP(
+		a_cp = (char *)(uintptr_t)PHYS_TO_DMAP(
 		    VM_PAGE_TO_PHYS(ma[a_offset >> PAGE_SHIFT])) +
 		    a_pg_offset;
 		b_pg_offset = b_offset & PAGE_MASK;
 		cnt = min(cnt, PAGE_SIZE - b_pg_offset);
-		b_cp = (char *)PHYS_TO_DMAP(
+		b_cp = (char *)(uintptr_t)PHYS_TO_DMAP(
 		    VM_PAGE_TO_PHYS(mb[b_offset >> PAGE_SHIFT])) +
 		    b_pg_offset;
 		bcopy(a_cp, b_cp, cnt);
@@ -1219,7 +1220,7 @@ moea64_zero_page_area(mmu_t mmu, vm_page_t m, int off,
 		panic("moea64_zero_page: size + off > PAGE_SIZE");
 
 	if (hw_direct_map) {
-		bzero((caddr_t)PHYS_TO_DMAP(pa) + off, size);
+		bzero((caddr_t)(uintptr_t)PHYS_TO_DMAP(pa) + off, size);
 	} else {
 		mtx_lock(&moea64_scratchpage_mtx);
 		moea64_set_scratchpage_pa(mmu, 0, pa);
@@ -1270,10 +1271,10 @@ moea64_quick_enter_page(mmu_t mmu, vm_page_t m)
 	 */
 	sched_pin();
 
-	mtx_assert(PCPU_PTR(qmap_lock), MA_NOTOWNED);
-	pvo = PCPU_GET(qmap_pvo);
+	mtx_assert(PCPU_PTR(aim.qmap_lock), MA_NOTOWNED);
+	pvo = PCPU_GET(aim.qmap_pvo);
 
-	mtx_lock(PCPU_PTR(qmap_lock));
+	mtx_lock(PCPU_PTR(aim.qmap_lock));
 	pvo->pvo_pte.pa = moea64_calc_wimg(pa, pmap_page_get_memattr(m)) |
 	    (uint64_t)pa;
 	MOEA64_PTE_REPLACE(mmu, pvo, MOEA64_PTE_INVALIDATE);
@@ -1288,10 +1289,10 @@ moea64_quick_remove_page(mmu_t mmu, vm_offset_t addr)
 	if (hw_direct_map)
 		return;
 
-	mtx_assert(PCPU_PTR(qmap_lock), MA_OWNED);
+	mtx_assert(PCPU_PTR(aim.qmap_lock), MA_OWNED);
 	KASSERT(PCPU_GET(qmap_addr) == addr,
 	    ("moea64_quick_remove_page: invalid address"));
-	mtx_unlock(PCPU_PTR(qmap_lock));
+	mtx_unlock(PCPU_PTR(aim.qmap_lock));
 	sched_unpin();	
 }
 
@@ -1417,11 +1418,11 @@ moea64_syncicache(mmu_t mmu, pmap_t pmap, vm_offset_t 
 		 * If PMAP is not bootstrapped, we are likely to be
 		 * in real mode.
 		 */
-		__syncicache((void *)pa, sz);
+		__syncicache((void *)(uintptr_t)pa, sz);
 	} else if (pmap == kernel_pmap) {
 		__syncicache((void *)va, sz);
 	} else if (hw_direct_map) {
-		__syncicache((void *)PHYS_TO_DMAP(pa), sz);
+		__syncicache((void *)(uintptr_t)PHYS_TO_DMAP(pa), sz);
 	} else {
 		/* Use the scratch page to set up a temp mapping */
 
@@ -1802,8 +1803,8 @@ moea64_kenter_attr(mmu_t mmu, vm_offset_t va, vm_paddr
 	}
 
 	if (error != 0 && error != ENOENT)
-		panic("moea64_kenter: failed to enter va %#zx pa %#zx: %d", va,
-		    pa, error);
+		panic("moea64_kenter: failed to enter va %#zx pa %#jx: %d", va,
+		    (uintmax_t)pa, error);
 }
 
 void
@@ -2767,7 +2768,7 @@ void
 moea64_dumpsys_map(mmu_t mmu, vm_paddr_t pa, size_t sz, void **va)
 {
 
-	*va = (void *)pa;
+	*va = (void *)(uintptr_t)pa;
 }
 
 extern struct dump_pa dump_map[PHYS_AVAIL_SZ + 1];
@@ -2799,7 +2800,7 @@ moea64_scan_init(mmu_t mmu)
 	    dump_map[0].pa_start;
 
 	/* 2nd: msgbuf and tables (see pmap_bootstrap()). */
-	dump_map[1].pa_start = (vm_paddr_t)msgbufp->msg_ptr;
+	dump_map[1].pa_start = (vm_paddr_t)(uintptr_t)msgbufp->msg_ptr;
 	dump_map[1].pa_size = round_page(msgbufp->msg_size);
 
 	/* 3rd: kernel VM. */

Modified: head/sys/powerpc/aim/moea64_native.c
==============================================================================
--- head/sys/powerpc/aim/moea64_native.c	Sat Feb 17 20:56:35 2018	(r329468)
+++ head/sys/powerpc/aim/moea64_native.c	Sat Feb 17 20:59:12 2018	(r329469)
@@ -365,7 +365,7 @@ moea64_cpu_bootstrap_native(mmu_t mmup, int ap)
 {
 	int i = 0;
 	#ifdef __powerpc64__
-	struct slb *slb = PCPU_GET(slb);
+	struct slb *slb = PCPU_GET(aim.slb);
 	register_t seg0;
 	#endif
 

Modified: head/sys/powerpc/aim/slb.c
==============================================================================
--- head/sys/powerpc/aim/slb.c	Sat Feb 17 20:56:35 2018	(r329468)
+++ head/sys/powerpc/aim/slb.c	Sat Feb 17 20:59:12 2018	(r329469)
@@ -426,7 +426,7 @@ slb_insert_kernel(uint64_t slbe, uint64_t slbv)
 	/* We don't want to be preempted while modifying the kernel map */
 	critical_enter();
 
-	slbcache = PCPU_GET(slb);
+	slbcache = PCPU_GET(aim.slb);
 
 	/* Check for an unused slot, abusing the user slot as a full flag */
 	if (slbcache[USER_SLB_SLOT].slbe == 0) {

Modified: head/sys/powerpc/booke/booke_machdep.c
==============================================================================
--- head/sys/powerpc/booke/booke_machdep.c	Sat Feb 17 20:56:35 2018	(r329468)
+++ head/sys/powerpc/booke/booke_machdep.c	Sat Feb 17 20:59:12 2018	(r329469)
@@ -380,14 +380,14 @@ void
 cpu_pcpu_init(struct pcpu *pcpu, int cpuid, size_t sz)
 {
 
-	pcpu->pc_tid_next = TID_MIN;
+	pcpu->pc_booke.tid_next = TID_MIN;
 
 #ifdef SMP
 	uintptr_t *ptr;
 	int words_per_gran = RES_GRANULE / sizeof(uintptr_t);
 
 	ptr = &tlb0_miss_locks[cpuid * words_per_gran];
-	pcpu->pc_booke_tlb_lock = ptr;
+	pcpu->pc_booke.tlb_lock = ptr;
 	*ptr = TLB_UNLOCKED;
 	*(ptr + 1) = 0;		/* recurse counter */
 #endif

Modified: head/sys/powerpc/booke/pmap.c
==============================================================================
--- head/sys/powerpc/booke/pmap.c	Sat Feb 17 20:56:35 2018	(r329468)
+++ head/sys/powerpc/booke/pmap.c	Sat Feb 17 20:59:12 2018	(r329469)
@@ -501,12 +501,12 @@ tlb_miss_lock(void)
 		if (pc != pcpup) {
 
 			CTR3(KTR_PMAP, "%s: tlb miss LOCK of CPU=%d, "
-			    "tlb_lock=%p", __func__, pc->pc_cpuid, pc->pc_booke_tlb_lock);
+			    "tlb_lock=%p", __func__, pc->pc_cpuid, pc->pc_booke.tlb_lock);
 
 			KASSERT((pc->pc_cpuid != PCPU_GET(cpuid)),
 			    ("tlb_miss_lock: tried to lock self"));
 
-			tlb_lock(pc->pc_booke_tlb_lock);
+			tlb_lock(pc->pc_booke.tlb_lock);
 
 			CTR1(KTR_PMAP, "%s: locked", __func__);
 		}
@@ -528,7 +528,7 @@ tlb_miss_unlock(void)
 			CTR2(KTR_PMAP, "%s: tlb miss UNLOCK of CPU=%d",
 			    __func__, pc->pc_cpuid);
 
-			tlb_unlock(pc->pc_booke_tlb_lock);
+			tlb_unlock(pc->pc_booke.tlb_lock);
 
 			CTR1(KTR_PMAP, "%s: unlocked", __func__);
 		}
@@ -3738,10 +3738,10 @@ tid_alloc(pmap_t pmap)
 
 	thiscpu = PCPU_GET(cpuid);
 
-	tid = PCPU_GET(tid_next);
+	tid = PCPU_GET(booke.tid_next);
 	if (tid > TID_MAX)
 		tid = TID_MIN;
-	PCPU_SET(tid_next, tid + 1);
+	PCPU_SET(booke.tid_next, tid + 1);
 
 	/* If we are stealing TID then clear the relevant pmap's field */
 	if (tidbusy[thiscpu][tid] != NULL) {
@@ -3759,7 +3759,7 @@ tid_alloc(pmap_t pmap)
 	__asm __volatile("msync; isync");
 
 	CTR3(KTR_PMAP, "%s: e (%02d next = %02d)", __func__, tid,
-	    PCPU_GET(tid_next));
+	    PCPU_GET(booke.tid_next));
 
 	return (tid);
 }

Modified: head/sys/powerpc/include/pcpu.h
==============================================================================
--- head/sys/powerpc/include/pcpu.h	Sat Feb 17 20:56:35 2018	(r329468)
+++ head/sys/powerpc/include/pcpu.h	Sat Feb 17 20:59:12 2018	(r329469)
@@ -52,23 +52,22 @@ struct pvo_entry;
 	register_t	pc_tempsave[CPUSAVE_LEN];			\
 	register_t	pc_disisave[CPUSAVE_LEN];			\
 	register_t	pc_dbsave[CPUSAVE_LEN];				\
-	void		*pc_restore;
+	void		*pc_restore;					\
+	vm_offset_t	pc_qmap_addr;
 
 #define PCPU_MD_AIM32_FIELDS						\
-	vm_offset_t	pc_qmap_addr;					\
-	struct pvo_entry *pc_qmap_pvo;					\
-	struct mtx	pc_qmap_lock;					\
-	char		__pad[128]
+	struct pvo_entry *qmap_pvo;					\
+	struct mtx	qmap_lock;					\
+	char		__pad[128];
 
 #define PCPU_MD_AIM64_FIELDS						\
-	struct slb	pc_slb[64];					\
-	struct slb	**pc_userslb;					\
-	register_t	pc_slbsave[18];					\
-	uint8_t		pc_slbstack[1024];				\
-	vm_offset_t	pc_qmap_addr;					\
-	struct pvo_entry *pc_qmap_pvo;					\
-	struct mtx	pc_qmap_lock;					\
-	char		__pad[1345]
+	struct slb	slb[64];					\
+	struct slb	**userslb;					\
+	register_t	slbsave[18];					\
+	uint8_t		slbstack[1024];				\
+	struct pvo_entry *qmap_pvo;					\
+	struct mtx	qmap_lock;					\
+	char		__pad[1345];
 
 #ifdef __powerpc64__
 #define PCPU_MD_AIM_FIELDS	PCPU_MD_AIM64_FIELDS
@@ -87,14 +86,13 @@ struct pvo_entry;
 #define	BOOKE_PCPU_PAD	429
 #endif
 #define PCPU_MD_BOOKE_FIELDS						\
-	register_t	pc_booke_critsave[BOOKE_CRITSAVE_LEN];		\
-	register_t	pc_booke_mchksave[CPUSAVE_LEN];			\
-	register_t	pc_booke_tlbsave[BOOKE_TLBSAVE_LEN];		\
-	register_t	pc_booke_tlb_level;				\
-	vm_offset_t	pc_qmap_addr;					\
-	uintptr_t	*pc_booke_tlb_lock;				\
-	int		pc_tid_next;					\
-	char		__pad[BOOKE_PCPU_PAD]
+	register_t	critsave[BOOKE_CRITSAVE_LEN];		\
+	register_t	mchksave[CPUSAVE_LEN];			\
+	register_t	tlbsave[BOOKE_TLBSAVE_LEN];		\
+	register_t	tlb_level;				\
+	uintptr_t	*tlb_lock;				\
+	int		tid_next;					\
+	char		__pad[BOOKE_PCPU_PAD];
 
 /* Definitions for register offsets within the exception tmp save areas */
 #define	CPUSAVE_R27	0		/* where r27 gets saved */
@@ -129,24 +127,16 @@ struct pvo_entry;
 #define TLBSAVE_BOOKE_R30	14
 #define TLBSAVE_BOOKE_R31	15
 
-#ifdef AIM
 #define	PCPU_MD_FIELDS		\
 	PCPU_MD_COMMON_FIELDS	\
-	PCPU_MD_AIM_FIELDS
-#endif
-#if defined(BOOKE)
-#define	PCPU_MD_FIELDS		\
-	PCPU_MD_COMMON_FIELDS	\
-	PCPU_MD_BOOKE_FIELDS
-#endif
-
-/*
- * Catch-all for ports (e.g. lsof, used by gtop)
- */
-#ifndef PCPU_MD_FIELDS
-#define	PCPU_MD_FIELDS							\
-	int		pc_md_placeholder[32]
-#endif
+	union {			\
+	    struct {		\
+		PCPU_MD_AIM_FIELDS	\
+	    } pc_aim;		\
+	    struct {		\
+		PCPU_MD_BOOKE_FIELDS	\
+	    } pc_booke;		\
+	}
 
 #ifdef _KERNEL
 

Modified: head/sys/powerpc/powerpc/genassym.c
==============================================================================
--- head/sys/powerpc/powerpc/genassym.c	Sat Feb 17 20:56:35 2018	(r329468)
+++ head/sys/powerpc/powerpc/genassym.c	Sat Feb 17 20:59:12 2018	(r329469)
@@ -66,11 +66,11 @@ ASSYM(PC_DBSAVE, offsetof(struct pcpu, pc_dbsave));
 ASSYM(PC_RESTORE, offsetof(struct pcpu, pc_restore));
 
 #if defined(BOOKE)
-ASSYM(PC_BOOKE_CRITSAVE, offsetof(struct pcpu, pc_booke_critsave));
-ASSYM(PC_BOOKE_MCHKSAVE, offsetof(struct pcpu, pc_booke_mchksave));
-ASSYM(PC_BOOKE_TLBSAVE, offsetof(struct pcpu, pc_booke_tlbsave));
-ASSYM(PC_BOOKE_TLB_LEVEL, offsetof(struct pcpu, pc_booke_tlb_level));
-ASSYM(PC_BOOKE_TLB_LOCK, offsetof(struct pcpu, pc_booke_tlb_lock));
+ASSYM(PC_BOOKE_CRITSAVE, offsetof(struct pcpu, pc_booke.critsave));
+ASSYM(PC_BOOKE_MCHKSAVE, offsetof(struct pcpu, pc_booke.mchksave));
+ASSYM(PC_BOOKE_TLBSAVE, offsetof(struct pcpu, pc_booke.tlbsave));
+ASSYM(PC_BOOKE_TLB_LEVEL, offsetof(struct pcpu, pc_booke.tlb_level));
+ASSYM(PC_BOOKE_TLB_LOCK, offsetof(struct pcpu, pc_booke.tlb_lock));
 #endif
 
 ASSYM(CPUSAVE_R27, CPUSAVE_R27*sizeof(register_t));
@@ -109,10 +109,10 @@ ASSYM(MTX_LOCK, offsetof(struct mtx, mtx_lock));
 #if defined(AIM)
 ASSYM(USER_ADDR, USER_ADDR);
 #ifdef __powerpc64__
-ASSYM(PC_KERNSLB, offsetof(struct pcpu, pc_slb));
-ASSYM(PC_USERSLB, offsetof(struct pcpu, pc_userslb));
-ASSYM(PC_SLBSAVE, offsetof(struct pcpu, pc_slbsave));
-ASSYM(PC_SLBSTACK, offsetof(struct pcpu, pc_slbstack));
+ASSYM(PC_KERNSLB, offsetof(struct pcpu, pc_aim.slb));
+ASSYM(PC_USERSLB, offsetof(struct pcpu, pc_aim.userslb));
+ASSYM(PC_SLBSAVE, offsetof(struct pcpu, pc_aim.slbsave));
+ASSYM(PC_SLBSTACK, offsetof(struct pcpu, pc_aim.slbstack));
 ASSYM(USER_SLB_SLOT, USER_SLB_SLOT);
 ASSYM(USER_SLB_SLBE, USER_SLB_SLBE);
 ASSYM(SEGMENT_MASK, SEGMENT_MASK);

Modified: head/sys/powerpc/powerpc/trap.c
==============================================================================
--- head/sys/powerpc/powerpc/trap.c	Sat Feb 17 20:56:35 2018	(r329468)
+++ head/sys/powerpc/powerpc/trap.c	Sat Feb 17 20:59:12 2018	(r329469)
@@ -652,7 +652,7 @@ handle_kernel_slb_spill(int type, register_t dar, regi
 	int i;
 
 	addr = (type == EXC_ISE) ? srr0 : dar;
-	slbcache = PCPU_GET(slb);
+	slbcache = PCPU_GET(aim.slb);
 	esid = (uintptr_t)addr >> ADDR_SR_SHFT;
 	slbe = (esid << SLBE_ESID_SHIFT) | SLBE_VALID;
 	

Modified: head/sys/powerpc/ps3/mmu_ps3.c
==============================================================================
--- head/sys/powerpc/ps3/mmu_ps3.c	Sat Feb 17 20:56:35 2018	(r329468)
+++ head/sys/powerpc/ps3/mmu_ps3.c	Sat Feb 17 20:59:12 2018	(r329469)
@@ -121,7 +121,7 @@ mps3_bootstrap(mmu_t mmup, vm_offset_t kernelstart, vm
 static void
 mps3_cpu_bootstrap(mmu_t mmup, int ap)
 {
-	struct slb *slb = PCPU_GET(slb);
+	struct slb *slb = PCPU_GET(aim.slb);
 	register_t seg0;
 	int i;
 

Modified: head/sys/powerpc/pseries/mmu_phyp.c
==============================================================================
--- head/sys/powerpc/pseries/mmu_phyp.c	Sat Feb 17 20:56:35 2018	(r329468)
+++ head/sys/powerpc/pseries/mmu_phyp.c	Sat Feb 17 20:59:12 2018	(r329469)
@@ -221,7 +221,7 @@ mphyp_bootstrap(mmu_t mmup, vm_offset_t kernelstart, v
 static void
 mphyp_cpu_bootstrap(mmu_t mmup, int ap)
 {
-	struct slb *slb = PCPU_GET(slb);
+	struct slb *slb = PCPU_GET(aim.slb);
 	register_t seg0;
 	int i;
 



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