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ia64/pv_ops/binary patch: define paravirt_dv_serialize_data() and suppress false positive warning. 

define paravirt_dv_serialize_data() and insert it to suppress
false positive warnings.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
hifive-unleashed-5.1
Isaku Yamahata 2009-03-04 21:06:54 +09:00 committed by Tony Luck
parent ee158fcd09
commit dae17da60d
3 changed files with 9 additions and 0 deletions
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6
arch/ia64/include/asm/paravirt_privop.h
View File

@ -118,6 +118,12 @@ void paravirt_cpu_asm_init(const struct pv_cpu_asm_switch *cpu_asm_switch);
#endif /* CONFIG_PARAVIRT */
#if defined(CONFIG_PARAVIRT) && defined(ASM_SUPPORTED)
#define paravirt_dv_serialize_data() ia64_dv_serialize_data()
#else
#define paravirt_dv_serialize_data() /* nothing */
#endif
/* these routines utilize privilege-sensitive or performance-sensitive
* privileged instructions so the code must be replaced with
* paravirtualized versions */

1
arch/ia64/kernel/efi.c
View File

@ -456,6 +456,7 @@ efi_map_pal_code (void)
GRANULEROUNDDOWN((unsigned long) pal_vaddr),
pte_val(pfn_pte(__pa(pal_vaddr) >> PAGE_SHIFT, PAGE_KERNEL)),
IA64_GRANULE_SHIFT);
paravirt_dv_serialize_data();
ia64_set_psr(psr); /* restore psr */
}

2
arch/ia64/kvm/vtlb.c
View File

@ -210,6 +210,7 @@ void thash_vhpt_insert(struct kvm_vcpu *v, u64 pte, u64 itir, u64 va, int type)
phy_pte &= ~PAGE_FLAGS_RV_MASK;
psr = ia64_clear_ic();
ia64_itc(type, va, phy_pte, itir_ps(itir));
paravirt_dv_serialize_data();
ia64_set_psr(psr);
}
@ -464,6 +465,7 @@ int thash_purge_and_insert(struct kvm_vcpu *v, u64 pte, u64 itir,
phy_pte &= ~PAGE_FLAGS_RV_MASK;
psr = ia64_clear_ic();
ia64_itc(type, ifa, phy_pte, ps);
paravirt_dv_serialize_data();
ia64_set_psr(psr);
}
if (!(pte&VTLB_PTE_IO))