ia64/xen-unstable

changeset 15101:b2adb797900a

x86: replace some intpte_t * casts

Don't cast values when other (type safe) mechanisms are available to =
achieve the same effect.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
author kfraser@localhost.localdomain
date Tue May 15 10:08:20 2007 +0100 (2007-05-15)
parents 05ea0d79a92f
children 807f374e720d
files xen/arch/x86/mm.c
line diff
     1.1 --- a/xen/arch/x86/mm.c	Tue May 15 10:03:58 2007 +0100
     1.2 +++ b/xen/arch/x86/mm.c	Tue May 15 10:08:20 2007 +0100
     1.3 @@ -1017,7 +1017,7 @@ static void pae_flush_pgd(
     1.4              l3tab_ptr = &cache->table[cache->inuse_idx][idx];
     1.5              _ol3e = l3e_get_intpte(*l3tab_ptr);
     1.6              _nl3e = l3e_get_intpte(nl3e);
     1.7 -            _pl3e = cmpxchg((intpte_t *)l3tab_ptr, _ol3e, _nl3e);
     1.8 +            _pl3e = cmpxchg(&l3e_get_intpte(*l3tab_ptr), _ol3e, _nl3e);
     1.9              BUG_ON(_pl3e != _ol3e);
    1.10          }
    1.11  
    1.12 @@ -1316,7 +1316,7 @@ static inline int update_intpte(intpte_t
    1.13  /* Macro that wraps the appropriate type-changes around update_intpte().
    1.14   * Arguments are: type, ptr, old, new, mfn, vcpu */
    1.15  #define UPDATE_ENTRY(_t,_p,_o,_n,_m,_v)                             \
    1.16 -    update_intpte((intpte_t *)(_p),                                 \
    1.17 +    update_intpte(&_t ## e_get_intpte(*(_p)),                       \
    1.18                    _t ## e_get_intpte(_o), _t ## e_get_intpte(_n),   \
    1.19                    (_m), (_v))
    1.20  
    1.21 @@ -2498,7 +2498,7 @@ static int create_grant_pte_mapping(
    1.22      }
    1.23  
    1.24      ol1e = *(l1_pgentry_t *)va;
    1.25 -    if ( !UPDATE_ENTRY(l1, va, ol1e, nl1e, mfn, v) )
    1.26 +    if ( !UPDATE_ENTRY(l1, (l1_pgentry_t *)va, ol1e, nl1e, mfn, v) )
    1.27      {
    1.28          put_page_type(page);
    1.29          rc = GNTST_general_error;
    1.30 @@ -3278,7 +3278,7 @@ static int ptwr_emulated_update(
    1.31          intpte_t t = old;
    1.32          ol1e = l1e_from_intpte(old);
    1.33  
    1.34 -        okay = paging_cmpxchg_guest_entry(v, (intpte_t *) pl1e, 
    1.35 +        okay = paging_cmpxchg_guest_entry(v, &l1e_get_intpte(*pl1e),
    1.36                                            &t, val, _mfn(mfn));
    1.37          okay = (okay && t == old);
    1.38