diff --git a/xen/arch/arm/setup.c b/xen/arch/arm/setup.c index 45f3841105..501a9d5ea8 100644 --- a/xen/arch/arm/setup.c +++ b/xen/arch/arm/setup.c @@ -20,6 +20,7 @@ #include #include #include +#include #include #include #include @@ -693,6 +694,8 @@ void __init start_xen(unsigned long boot_phys_offset, struct domain *dom0; struct xen_domctl_createdomain dom0_cfg = { .max_evtchn_port = -1, + .max_grant_frames = gnttab_dom0_frames(), + .max_maptrack_frames = opt_max_maptrack_frames, }; dcache_line_bytes = read_dcache_line_bytes(); diff --git a/xen/arch/x86/setup.c b/xen/arch/x86/setup.c index dd11815e2d..84406435c3 100644 --- a/xen/arch/x86/setup.c +++ b/xen/arch/x86/setup.c @@ -1,6 +1,7 @@ #include #include #include +#include #include #include #include @@ -682,6 +683,8 @@ void __init noreturn __start_xen(unsigned long mbi_p) struct xen_domctl_createdomain dom0_cfg = { .flags = XEN_DOMCTL_CDF_s3_integrity, .max_evtchn_port = -1, + .max_grant_frames = opt_max_grant_frames, + .max_maptrack_frames = opt_max_maptrack_frames, }; /* Critical region without IDT or TSS. Any fault is deadly! */ diff --git a/xen/common/domain.c b/xen/common/domain.c index 171d25ed4b..1dcab8d188 100644 --- a/xen/common/domain.c +++ b/xen/common/domain.c @@ -366,7 +366,8 @@ struct domain *domain_create(domid_t domid, goto fail; init_status |= INIT_evtchn; - if ( (err = grant_table_create(d)) != 0 ) + if ( (err = grant_table_create(d, config->max_grant_frames, + config->max_maptrack_frames)) != 0 ) goto fail; init_status |= INIT_gnttab; diff --git a/xen/common/grant_table.c b/xen/common/grant_table.c index ad55cfa0ec..f08341e949 100644 --- a/xen/common/grant_table.c +++ b/xen/common/grant_table.c @@ -3567,9 +3567,8 @@ do_grant_table_op( #include "compat/grant_table.c" #endif -int -grant_table_create( - struct domain *d) +int grant_table_create(struct domain *d, unsigned int max_grant_frames, + unsigned int max_maptrack_frames) { struct grant_table *t; int ret = 0; @@ -3587,11 +3586,7 @@ grant_table_create( t->domain = d; d->grant_table = t; - if ( d->domain_id == 0 ) - { - ret = grant_table_init(d, t, gnttab_dom0_frames(), - opt_max_maptrack_frames); - } + ret = grant_table_set_limits(d, max_maptrack_frames, max_maptrack_frames); return ret; } @@ -4049,11 +4044,6 @@ static int __init gnttab_usage_init(void) } __initcall(gnttab_usage_init); -unsigned int __init gnttab_dom0_frames(void) -{ - return min(opt_max_grant_frames, gnttab_dom0_max()); -} - /* * Local variables: * mode: C diff --git a/xen/include/asm-arm/grant_table.h b/xen/include/asm-arm/grant_table.h index 5113b9156c..d8fde01651 100644 --- a/xen/include/asm-arm/grant_table.h +++ b/xen/include/asm-arm/grant_table.h @@ -30,10 +30,8 @@ void gnttab_mark_dirty(struct domain *d, mfn_t mfn); * Only use the text section as it's always present and will contain * enough space for a large grant table */ -static inline unsigned int gnttab_dom0_max(void) -{ - return PFN_DOWN(_etext - _stext); -} +#define gnttab_dom0_frames() \ + min_t(unsigned int, opt_max_grant_frames, PFN_DOWN(_etext - _stext)) #define gnttab_init_arch(gt) \ ({ \ diff --git a/xen/include/asm-x86/grant_table.h b/xen/include/asm-x86/grant_table.h index 76ec5dda2c..761a8c33a5 100644 --- a/xen/include/asm-x86/grant_table.h +++ b/xen/include/asm-x86/grant_table.h @@ -39,11 +39,6 @@ static inline int replace_grant_host_mapping(uint64_t addr, mfn_t frame, return replace_grant_pv_mapping(addr, frame, new_addr, flags); } -static inline unsigned int gnttab_dom0_max(void) -{ - return UINT_MAX; -} - #define gnttab_init_arch(gt) 0 #define gnttab_destroy_arch(gt) do {} while ( 0 ) #define gnttab_set_frame_gfn(gt, st, idx, gfn) do {} while ( 0 ) diff --git a/xen/include/xen/grant_table.h b/xen/include/xen/grant_table.h index c881414e5b..b46bb0adae 100644 --- a/xen/include/xen/grant_table.h +++ b/xen/include/xen/grant_table.h @@ -35,8 +35,8 @@ extern unsigned int opt_max_grant_frames; extern unsigned int opt_max_maptrack_frames; /* Create/destroy per-domain grant table context. */ -int grant_table_create( - struct domain *d); +int grant_table_create(struct domain *d, unsigned int max_grant_frames, + unsigned int max_maptrack_frames); void grant_table_destroy( struct domain *d); void grant_table_init_vcpu(struct vcpu *v); @@ -63,6 +63,4 @@ int gnttab_get_shared_frame(struct domain *d, unsigned long idx, int gnttab_get_status_frame(struct domain *d, unsigned long idx, mfn_t *mfn); -unsigned int gnttab_dom0_frames(void); - #endif /* __XEN_GRANT_TABLE_H__ */