Date: Sat, 1 Sep 2018 09:59:46 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r338419 - in stable/11/sys: amd64/amd64 i386/i386 i386/include x86/x86 Message-ID: <201809010959.w819xkVH038212@repo.freebsd.org>
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Author: kib Date: Sat Sep 1 09:59:46 2018 New Revision: 338419 URL: https://svnweb.freebsd.org/changeset/base/338419 Log: MFC r338312: Unify amd64 and i386 vmspace0 pmap activation. Modified: stable/11/sys/amd64/amd64/mp_machdep.c stable/11/sys/i386/i386/pmap.c stable/11/sys/i386/include/pmap.h stable/11/sys/x86/x86/mp_x86.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/amd64/amd64/mp_machdep.c ============================================================================== --- stable/11/sys/amd64/amd64/mp_machdep.c Sat Sep 1 02:23:45 2018 (r338418) +++ stable/11/sys/amd64/amd64/mp_machdep.c Sat Sep 1 09:59:46 2018 (r338419) @@ -56,7 +56,6 @@ __FBSDID("$FreeBSD$"); #include <vm/vm_param.h> #include <vm/pmap.h> #include <vm/vm_kern.h> -#include <vm/vm_map.h> #include <vm/vm_extern.h> #include <x86/apicreg.h> @@ -309,7 +308,6 @@ init_secondary(void) while (atomic_load_acq_int(&aps_ready) == 0) ia32_pause(); - pmap_activate_boot(vmspace_pmap(proc0.p_vmspace)); init_secondary_tail(); } Modified: stable/11/sys/i386/i386/pmap.c ============================================================================== --- stable/11/sys/i386/i386/pmap.c Sat Sep 1 02:23:45 2018 (r338418) +++ stable/11/sys/i386/i386/pmap.c Sat Sep 1 09:59:46 2018 (r338419) @@ -1857,9 +1857,9 @@ pmap_pinit0(pmap_t pmap) #endif pmap->pm_root.rt_root = 0; CPU_ZERO(&pmap->pm_active); - PCPU_SET(curpmap, pmap); TAILQ_INIT(&pmap->pm_pvchunk); bzero(&pmap->pm_stats, sizeof pmap->pm_stats); + pmap_activate_boot(pmap); } /* @@ -5595,6 +5595,20 @@ pmap_activate(struct thread *td) load_cr3(cr3); PCPU_SET(curpmap, pmap); critical_exit(); +} + +void +pmap_activate_boot(pmap_t pmap) +{ + u_int cpuid; + + cpuid = PCPU_GET(cpuid); +#if defined(SMP) + CPU_SET_ATOMIC(cpuid, &pmap->pm_active); +#else + CPU_SET(cpuid, &pmap->pm_active); +#endif + PCPU_SET(curpmap, pmap); } void Modified: stable/11/sys/i386/include/pmap.h ============================================================================== --- stable/11/sys/i386/include/pmap.h Sat Sep 1 02:23:45 2018 (r338418) +++ stable/11/sys/i386/include/pmap.h Sat Sep 1 09:59:46 2018 (r338419) @@ -373,6 +373,7 @@ extern vm_offset_t virtual_end; * is called: pmap_kenter(), pmap_kextract(), pmap_kremove(), vtophys(), and * vtopte(). */ +void pmap_activate_boot(pmap_t pmap); void pmap_bootstrap(vm_paddr_t); int pmap_cache_bits(int mode, boolean_t is_pde); int pmap_change_attr(vm_offset_t, vm_size_t, int); Modified: stable/11/sys/x86/x86/mp_x86.c ============================================================================== --- stable/11/sys/x86/x86/mp_x86.c Sat Sep 1 02:23:45 2018 (r338418) +++ stable/11/sys/x86/x86/mp_x86.c Sat Sep 1 09:59:46 2018 (r338419) @@ -61,6 +61,7 @@ __FBSDID("$FreeBSD$"); #include <vm/pmap.h> #include <vm/vm_kern.h> #include <vm/vm_extern.h> +#include <vm/vm_map.h> #include <x86/apicreg.h> #include <machine/clock.h> @@ -863,6 +864,8 @@ void init_secondary_tail(void) { u_int cpuid; + + pmap_activate_boot(vmspace_pmap(proc0.p_vmspace)); /* * On real hardware, switch to x2apic mode if possible. Do it
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