From 1a5d949c86beab6456d10ba66ff8c1c237b29837 Mon Sep 17 00:00:00 2001 From: luoqi Date: Wed, 23 Jun 1999 21:47:24 +0000 Subject: Do not setup 4M pdir until all APs are up. --- sys/amd64/amd64/mp_machdep.c | 17 +++++++++-------- sys/amd64/amd64/mptable.c | 17 +++++++++-------- sys/amd64/amd64/pmap.c | 45 +++++++++++++------------------------------- sys/amd64/include/mptable.h | 17 +++++++++-------- sys/amd64/include/pmap.h | 12 ++++-------- sys/i386/i386/mp_machdep.c | 17 +++++++++-------- sys/i386/i386/mptable.c | 17 +++++++++-------- sys/i386/i386/pmap.c | 45 +++++++++++++------------------------------- sys/i386/include/mptable.h | 17 +++++++++-------- sys/i386/include/pmap.h | 12 ++++-------- sys/kern/subr_smp.c | 17 +++++++++-------- 11 files changed, 97 insertions(+), 136 deletions(-) diff --git a/sys/amd64/amd64/mp_machdep.c b/sys/amd64/amd64/mp_machdep.c index 5afe5fe..5a9f672 100644 --- a/sys/amd64/amd64/mp_machdep.c +++ b/sys/amd64/amd64/mp_machdep.c @@ -22,7 +22,7 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $Id: mp_machdep.c,v 1.102 1999/06/01 18:19:42 jlemon Exp $ + * $Id: mp_machdep.c,v 1.103 1999/06/22 20:54:25 msmith Exp $ */ #include "opt_smp.h" @@ -300,7 +300,7 @@ u_int all_cpus; /* AP uses this during bootstrap. Do not staticize. */ char *bootSTK; -int boot_cpuid; +static int bootAP; /* Hotwire a 0->4MB V==P mapping */ extern pt_entry_t *KPTphys; @@ -454,7 +454,7 @@ void init_secondary(void) { int gsel_tss; - int x, myid = boot_cpuid; + int x, myid = bootAP; gdt_segs[GPRIV_SEL].ssd_base = (int) &SMP_prvspace[myid]; gdt_segs[GPROC0_SEL].ssd_base = @@ -487,9 +487,7 @@ init_secondary(void) load_cr0(0x8005003b); /* XXX! */ - pmap_set_opt((unsigned *)PTD); - - invltlb(); + pmap_set_opt(); } @@ -1827,7 +1825,7 @@ start_all_aps(u_int boot_addr) #endif bootSTK = &SMP_prvspace[x].idlestack[UPAGES*PAGE_SIZE]; - boot_cpuid = x; + bootAP = x; /* attempt to start the Application Processor */ CHECK_INIT(99); /* setup checkpoints */ @@ -1874,7 +1872,7 @@ start_all_aps(u_int boot_addr) (PG_V | PG_RW | vtophys(PAGE_SIZE * i + stack)); *(int *)PTD = 0; - pmap_set_opt_bsp(); + pmap_set_opt(); /* number of APs actually started */ return mp_ncpus - 1; @@ -2172,6 +2170,9 @@ ap_init() { u_int apic_id; + /* BSP may have changed PTD while we're waiting for the lock */ + cpu_invltlb(); + smp_cpus++; #if defined(I586_CPU) && !defined(NO_F00F_HACK) diff --git a/sys/amd64/amd64/mptable.c b/sys/amd64/amd64/mptable.c index 5afe5fe..5a9f672 100644 --- a/sys/amd64/amd64/mptable.c +++ b/sys/amd64/amd64/mptable.c @@ -22,7 +22,7 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $Id: mp_machdep.c,v 1.102 1999/06/01 18:19:42 jlemon Exp $ + * $Id: mp_machdep.c,v 1.103 1999/06/22 20:54:25 msmith Exp $ */ #include "opt_smp.h" @@ -300,7 +300,7 @@ u_int all_cpus; /* AP uses this during bootstrap. Do not staticize. */ char *bootSTK; -int boot_cpuid; +static int bootAP; /* Hotwire a 0->4MB V==P mapping */ extern pt_entry_t *KPTphys; @@ -454,7 +454,7 @@ void init_secondary(void) { int gsel_tss; - int x, myid = boot_cpuid; + int x, myid = bootAP; gdt_segs[GPRIV_SEL].ssd_base = (int) &SMP_prvspace[myid]; gdt_segs[GPROC0_SEL].ssd_base = @@ -487,9 +487,7 @@ init_secondary(void) load_cr0(0x8005003b); /* XXX! */ - pmap_set_opt((unsigned *)PTD); - - invltlb(); + pmap_set_opt(); } @@ -1827,7 +1825,7 @@ start_all_aps(u_int boot_addr) #endif bootSTK = &SMP_prvspace[x].idlestack[UPAGES*PAGE_SIZE]; - boot_cpuid = x; + bootAP = x; /* attempt to start the Application Processor */ CHECK_INIT(99); /* setup checkpoints */ @@ -1874,7 +1872,7 @@ start_all_aps(u_int boot_addr) (PG_V | PG_RW | vtophys(PAGE_SIZE * i + stack)); *(int *)PTD = 0; - pmap_set_opt_bsp(); + pmap_set_opt(); /* number of APs actually started */ return mp_ncpus - 1; @@ -2172,6 +2170,9 @@ ap_init() { u_int apic_id; + /* BSP may have changed PTD while we're waiting for the lock */ + cpu_invltlb(); + smp_cpus++; #if defined(I586_CPU) && !defined(NO_F00F_HACK) diff --git a/sys/amd64/amd64/pmap.c b/sys/amd64/amd64/pmap.c index f961651..82ee99e 100644 --- a/sys/amd64/amd64/pmap.c +++ b/sys/amd64/amd64/pmap.c @@ -39,7 +39,7 @@ * SUCH DAMAGE. * * from: @(#)pmap.c 7.7 (Berkeley) 5/12/91 - * $Id: pmap.c,v 1.238 1999/06/05 16:16:37 luoqi Exp $ + * $Id: pmap.c,v 1.239 1999/06/08 17:14:22 dt Exp $ */ /* @@ -385,11 +385,6 @@ pmap_bootstrap(firstaddr, loadaddr) if (cpu_feature & CPUID_PSE) { unsigned ptditmp; /* - * Enable the PSE mode - */ - load_cr4(rcr4() | CR4_PSE); - - /* * Note that we have enabled PSE mode */ pseflag = PG_PS; @@ -400,6 +395,11 @@ pmap_bootstrap(firstaddr, loadaddr) #if !defined(SMP) /* + * Enable the PSE mode. + */ + load_cr4(rcr4() | CR4_PSE); + + /* * We can do the mapping here for the single processor * case. We simply ignore the old page table page from * now on. @@ -460,38 +460,19 @@ pmap_bootstrap(firstaddr, loadaddr) #ifdef SMP /* - * Set 4mb pdir for mp startup, and global flags + * Set 4mb pdir for mp startup */ void -pmap_set_opt(unsigned *pdir) { - int i; - +pmap_set_opt(void) +{ if (pseflag && (cpu_feature & CPUID_PSE)) { load_cr4(rcr4() | CR4_PSE); - if (pdir4mb) { - pdir[KPTDI] = pdir4mb; + if (pdir4mb && cpuid == 0) { /* only on BSP */ + kernel_pmap->pm_pdir[KPTDI] = + PTD[KPTDI] = (pd_entry_t)pdir4mb; + cpu_invltlb(); } } - - if (pgeflag && (cpu_feature & CPUID_PGE)) { - load_cr4(rcr4() | CR4_PGE); - for(i = KPTDI; i < KPTDI + nkpt; i++) { - if (pdir[i]) { - pdir[i] |= PG_G; - } - } - } -} - -/* - * Setup the PTD for the boot processor - */ -void -pmap_set_opt_bsp(void) -{ - pmap_set_opt((unsigned *)kernel_pmap->pm_pdir); - pmap_set_opt((unsigned *)PTD); - invltlb(); } #endif diff --git a/sys/amd64/include/mptable.h b/sys/amd64/include/mptable.h index 5afe5fe..5a9f672 100644 --- a/sys/amd64/include/mptable.h +++ b/sys/amd64/include/mptable.h @@ -22,7 +22,7 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $Id: mp_machdep.c,v 1.102 1999/06/01 18:19:42 jlemon Exp $ + * $Id: mp_machdep.c,v 1.103 1999/06/22 20:54:25 msmith Exp $ */ #include "opt_smp.h" @@ -300,7 +300,7 @@ u_int all_cpus; /* AP uses this during bootstrap. Do not staticize. */ char *bootSTK; -int boot_cpuid; +static int bootAP; /* Hotwire a 0->4MB V==P mapping */ extern pt_entry_t *KPTphys; @@ -454,7 +454,7 @@ void init_secondary(void) { int gsel_tss; - int x, myid = boot_cpuid; + int x, myid = bootAP; gdt_segs[GPRIV_SEL].ssd_base = (int) &SMP_prvspace[myid]; gdt_segs[GPROC0_SEL].ssd_base = @@ -487,9 +487,7 @@ init_secondary(void) load_cr0(0x8005003b); /* XXX! */ - pmap_set_opt((unsigned *)PTD); - - invltlb(); + pmap_set_opt(); } @@ -1827,7 +1825,7 @@ start_all_aps(u_int boot_addr) #endif bootSTK = &SMP_prvspace[x].idlestack[UPAGES*PAGE_SIZE]; - boot_cpuid = x; + bootAP = x; /* attempt to start the Application Processor */ CHECK_INIT(99); /* setup checkpoints */ @@ -1874,7 +1872,7 @@ start_all_aps(u_int boot_addr) (PG_V | PG_RW | vtophys(PAGE_SIZE * i + stack)); *(int *)PTD = 0; - pmap_set_opt_bsp(); + pmap_set_opt(); /* number of APs actually started */ return mp_ncpus - 1; @@ -2172,6 +2170,9 @@ ap_init() { u_int apic_id; + /* BSP may have changed PTD while we're waiting for the lock */ + cpu_invltlb(); + smp_cpus++; #if defined(I586_CPU) && !defined(NO_F00F_HACK) diff --git a/sys/amd64/include/pmap.h b/sys/amd64/include/pmap.h index f6cd46f..fd55bdc 100644 --- a/sys/amd64/include/pmap.h +++ b/sys/amd64/include/pmap.h @@ -42,7 +42,7 @@ * * from: hp300: @(#)pmap.h 7.2 (Berkeley) 12/16/90 * from: @(#)pmap.h 7.4 (Berkeley) 5/12/91 - * $Id: pmap.h,v 1.59 1999/03/11 18:28:46 dg Exp $ + * $Id: pmap.h,v 1.60 1999/04/02 17:59:49 alc Exp $ */ #ifndef _MACHINE_PMAP_H_ @@ -255,13 +255,9 @@ pmap_t pmap_kernel __P((void)); void *pmap_mapdev __P((vm_offset_t, vm_size_t)); unsigned *pmap_pte __P((pmap_t, vm_offset_t)) __pure2; vm_page_t pmap_use_pt __P((pmap_t, vm_offset_t)); -void pmap_set_opt __P((unsigned *)); -void pmap_set_opt_bsp __P((void)); -void getmtrr __P((void)); -void putmtrr __P((void)); -void putfmtrr __P((void)); -void pmap_setdevram __P((unsigned long long, unsigned)); -void pmap_setvidram __P((void)); +#ifdef SMP +void pmap_set_opt __P((void)); +#endif #endif /* KERNEL */ diff --git a/sys/i386/i386/mp_machdep.c b/sys/i386/i386/mp_machdep.c index 5afe5fe..5a9f672 100644 --- a/sys/i386/i386/mp_machdep.c +++ b/sys/i386/i386/mp_machdep.c @@ -22,7 +22,7 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $Id: mp_machdep.c,v 1.102 1999/06/01 18:19:42 jlemon Exp $ + * $Id: mp_machdep.c,v 1.103 1999/06/22 20:54:25 msmith Exp $ */ #include "opt_smp.h" @@ -300,7 +300,7 @@ u_int all_cpus; /* AP uses this during bootstrap. Do not staticize. */ char *bootSTK; -int boot_cpuid; +static int bootAP; /* Hotwire a 0->4MB V==P mapping */ extern pt_entry_t *KPTphys; @@ -454,7 +454,7 @@ void init_secondary(void) { int gsel_tss; - int x, myid = boot_cpuid; + int x, myid = bootAP; gdt_segs[GPRIV_SEL].ssd_base = (int) &SMP_prvspace[myid]; gdt_segs[GPROC0_SEL].ssd_base = @@ -487,9 +487,7 @@ init_secondary(void) load_cr0(0x8005003b); /* XXX! */ - pmap_set_opt((unsigned *)PTD); - - invltlb(); + pmap_set_opt(); } @@ -1827,7 +1825,7 @@ start_all_aps(u_int boot_addr) #endif bootSTK = &SMP_prvspace[x].idlestack[UPAGES*PAGE_SIZE]; - boot_cpuid = x; + bootAP = x; /* attempt to start the Application Processor */ CHECK_INIT(99); /* setup checkpoints */ @@ -1874,7 +1872,7 @@ start_all_aps(u_int boot_addr) (PG_V | PG_RW | vtophys(PAGE_SIZE * i + stack)); *(int *)PTD = 0; - pmap_set_opt_bsp(); + pmap_set_opt(); /* number of APs actually started */ return mp_ncpus - 1; @@ -2172,6 +2170,9 @@ ap_init() { u_int apic_id; + /* BSP may have changed PTD while we're waiting for the lock */ + cpu_invltlb(); + smp_cpus++; #if defined(I586_CPU) && !defined(NO_F00F_HACK) diff --git a/sys/i386/i386/mptable.c b/sys/i386/i386/mptable.c index 5afe5fe..5a9f672 100644 --- a/sys/i386/i386/mptable.c +++ b/sys/i386/i386/mptable.c @@ -22,7 +22,7 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $Id: mp_machdep.c,v 1.102 1999/06/01 18:19:42 jlemon Exp $ + * $Id: mp_machdep.c,v 1.103 1999/06/22 20:54:25 msmith Exp $ */ #include "opt_smp.h" @@ -300,7 +300,7 @@ u_int all_cpus; /* AP uses this during bootstrap. Do not staticize. */ char *bootSTK; -int boot_cpuid; +static int bootAP; /* Hotwire a 0->4MB V==P mapping */ extern pt_entry_t *KPTphys; @@ -454,7 +454,7 @@ void init_secondary(void) { int gsel_tss; - int x, myid = boot_cpuid; + int x, myid = bootAP; gdt_segs[GPRIV_SEL].ssd_base = (int) &SMP_prvspace[myid]; gdt_segs[GPROC0_SEL].ssd_base = @@ -487,9 +487,7 @@ init_secondary(void) load_cr0(0x8005003b); /* XXX! */ - pmap_set_opt((unsigned *)PTD); - - invltlb(); + pmap_set_opt(); } @@ -1827,7 +1825,7 @@ start_all_aps(u_int boot_addr) #endif bootSTK = &SMP_prvspace[x].idlestack[UPAGES*PAGE_SIZE]; - boot_cpuid = x; + bootAP = x; /* attempt to start the Application Processor */ CHECK_INIT(99); /* setup checkpoints */ @@ -1874,7 +1872,7 @@ start_all_aps(u_int boot_addr) (PG_V | PG_RW | vtophys(PAGE_SIZE * i + stack)); *(int *)PTD = 0; - pmap_set_opt_bsp(); + pmap_set_opt(); /* number of APs actually started */ return mp_ncpus - 1; @@ -2172,6 +2170,9 @@ ap_init() { u_int apic_id; + /* BSP may have changed PTD while we're waiting for the lock */ + cpu_invltlb(); + smp_cpus++; #if defined(I586_CPU) && !defined(NO_F00F_HACK) diff --git a/sys/i386/i386/pmap.c b/sys/i386/i386/pmap.c index f961651..82ee99e 100644 --- a/sys/i386/i386/pmap.c +++ b/sys/i386/i386/pmap.c @@ -39,7 +39,7 @@ * SUCH DAMAGE. * * from: @(#)pmap.c 7.7 (Berkeley) 5/12/91 - * $Id: pmap.c,v 1.238 1999/06/05 16:16:37 luoqi Exp $ + * $Id: pmap.c,v 1.239 1999/06/08 17:14:22 dt Exp $ */ /* @@ -385,11 +385,6 @@ pmap_bootstrap(firstaddr, loadaddr) if (cpu_feature & CPUID_PSE) { unsigned ptditmp; /* - * Enable the PSE mode - */ - load_cr4(rcr4() | CR4_PSE); - - /* * Note that we have enabled PSE mode */ pseflag = PG_PS; @@ -400,6 +395,11 @@ pmap_bootstrap(firstaddr, loadaddr) #if !defined(SMP) /* + * Enable the PSE mode. + */ + load_cr4(rcr4() | CR4_PSE); + + /* * We can do the mapping here for the single processor * case. We simply ignore the old page table page from * now on. @@ -460,38 +460,19 @@ pmap_bootstrap(firstaddr, loadaddr) #ifdef SMP /* - * Set 4mb pdir for mp startup, and global flags + * Set 4mb pdir for mp startup */ void -pmap_set_opt(unsigned *pdir) { - int i; - +pmap_set_opt(void) +{ if (pseflag && (cpu_feature & CPUID_PSE)) { load_cr4(rcr4() | CR4_PSE); - if (pdir4mb) { - pdir[KPTDI] = pdir4mb; + if (pdir4mb && cpuid == 0) { /* only on BSP */ + kernel_pmap->pm_pdir[KPTDI] = + PTD[KPTDI] = (pd_entry_t)pdir4mb; + cpu_invltlb(); } } - - if (pgeflag && (cpu_feature & CPUID_PGE)) { - load_cr4(rcr4() | CR4_PGE); - for(i = KPTDI; i < KPTDI + nkpt; i++) { - if (pdir[i]) { - pdir[i] |= PG_G; - } - } - } -} - -/* - * Setup the PTD for the boot processor - */ -void -pmap_set_opt_bsp(void) -{ - pmap_set_opt((unsigned *)kernel_pmap->pm_pdir); - pmap_set_opt((unsigned *)PTD); - invltlb(); } #endif diff --git a/sys/i386/include/mptable.h b/sys/i386/include/mptable.h index 5afe5fe..5a9f672 100644 --- a/sys/i386/include/mptable.h +++ b/sys/i386/include/mptable.h @@ -22,7 +22,7 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $Id: mp_machdep.c,v 1.102 1999/06/01 18:19:42 jlemon Exp $ + * $Id: mp_machdep.c,v 1.103 1999/06/22 20:54:25 msmith Exp $ */ #include "opt_smp.h" @@ -300,7 +300,7 @@ u_int all_cpus; /* AP uses this during bootstrap. Do not staticize. */ char *bootSTK; -int boot_cpuid; +static int bootAP; /* Hotwire a 0->4MB V==P mapping */ extern pt_entry_t *KPTphys; @@ -454,7 +454,7 @@ void init_secondary(void) { int gsel_tss; - int x, myid = boot_cpuid; + int x, myid = bootAP; gdt_segs[GPRIV_SEL].ssd_base = (int) &SMP_prvspace[myid]; gdt_segs[GPROC0_SEL].ssd_base = @@ -487,9 +487,7 @@ init_secondary(void) load_cr0(0x8005003b); /* XXX! */ - pmap_set_opt((unsigned *)PTD); - - invltlb(); + pmap_set_opt(); } @@ -1827,7 +1825,7 @@ start_all_aps(u_int boot_addr) #endif bootSTK = &SMP_prvspace[x].idlestack[UPAGES*PAGE_SIZE]; - boot_cpuid = x; + bootAP = x; /* attempt to start the Application Processor */ CHECK_INIT(99); /* setup checkpoints */ @@ -1874,7 +1872,7 @@ start_all_aps(u_int boot_addr) (PG_V | PG_RW | vtophys(PAGE_SIZE * i + stack)); *(int *)PTD = 0; - pmap_set_opt_bsp(); + pmap_set_opt(); /* number of APs actually started */ return mp_ncpus - 1; @@ -2172,6 +2170,9 @@ ap_init() { u_int apic_id; + /* BSP may have changed PTD while we're waiting for the lock */ + cpu_invltlb(); + smp_cpus++; #if defined(I586_CPU) && !defined(NO_F00F_HACK) diff --git a/sys/i386/include/pmap.h b/sys/i386/include/pmap.h index f6cd46f..fd55bdc 100644 --- a/sys/i386/include/pmap.h +++ b/sys/i386/include/pmap.h @@ -42,7 +42,7 @@ * * from: hp300: @(#)pmap.h 7.2 (Berkeley) 12/16/90 * from: @(#)pmap.h 7.4 (Berkeley) 5/12/91 - * $Id: pmap.h,v 1.59 1999/03/11 18:28:46 dg Exp $ + * $Id: pmap.h,v 1.60 1999/04/02 17:59:49 alc Exp $ */ #ifndef _MACHINE_PMAP_H_ @@ -255,13 +255,9 @@ pmap_t pmap_kernel __P((void)); void *pmap_mapdev __P((vm_offset_t, vm_size_t)); unsigned *pmap_pte __P((pmap_t, vm_offset_t)) __pure2; vm_page_t pmap_use_pt __P((pmap_t, vm_offset_t)); -void pmap_set_opt __P((unsigned *)); -void pmap_set_opt_bsp __P((void)); -void getmtrr __P((void)); -void putmtrr __P((void)); -void putfmtrr __P((void)); -void pmap_setdevram __P((unsigned long long, unsigned)); -void pmap_setvidram __P((void)); +#ifdef SMP +void pmap_set_opt __P((void)); +#endif #endif /* KERNEL */ diff --git a/sys/kern/subr_smp.c b/sys/kern/subr_smp.c index 5afe5fe..5a9f672 100644 --- a/sys/kern/subr_smp.c +++ b/sys/kern/subr_smp.c @@ -22,7 +22,7 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $Id: mp_machdep.c,v 1.102 1999/06/01 18:19:42 jlemon Exp $ + * $Id: mp_machdep.c,v 1.103 1999/06/22 20:54:25 msmith Exp $ */ #include "opt_smp.h" @@ -300,7 +300,7 @@ u_int all_cpus; /* AP uses this during bootstrap. Do not staticize. */ char *bootSTK; -int boot_cpuid; +static int bootAP; /* Hotwire a 0->4MB V==P mapping */ extern pt_entry_t *KPTphys; @@ -454,7 +454,7 @@ void init_secondary(void) { int gsel_tss; - int x, myid = boot_cpuid; + int x, myid = bootAP; gdt_segs[GPRIV_SEL].ssd_base = (int) &SMP_prvspace[myid]; gdt_segs[GPROC0_SEL].ssd_base = @@ -487,9 +487,7 @@ init_secondary(void) load_cr0(0x8005003b); /* XXX! */ - pmap_set_opt((unsigned *)PTD); - - invltlb(); + pmap_set_opt(); } @@ -1827,7 +1825,7 @@ start_all_aps(u_int boot_addr) #endif bootSTK = &SMP_prvspace[x].idlestack[UPAGES*PAGE_SIZE]; - boot_cpuid = x; + bootAP = x; /* attempt to start the Application Processor */ CHECK_INIT(99); /* setup checkpoints */ @@ -1874,7 +1872,7 @@ start_all_aps(u_int boot_addr) (PG_V | PG_RW | vtophys(PAGE_SIZE * i + stack)); *(int *)PTD = 0; - pmap_set_opt_bsp(); + pmap_set_opt(); /* number of APs actually started */ return mp_ncpus - 1; @@ -2172,6 +2170,9 @@ ap_init() { u_int apic_id; + /* BSP may have changed PTD while we're waiting for the lock */ + cpu_invltlb(); + smp_cpus++; #if defined(I586_CPU) && !defined(NO_F00F_HACK) -- cgit v1.1