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signal/arm/kvm: Use send_sig_mceerr 

This simplifies the code making it clearer what is going on, and
making the siginfo generation easier to maintain.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
hifive-unleashed-5.1
Eric W. Biederman 2018-04-16 13:39:10 -05:00
parent b059454846
commit 795a837145
1 changed files with 4 additions and 10 deletions
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14
virt/kvm/arm/mmu.c
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@ -1450,20 +1450,14 @@ static void invalidate_icache_guest_page(kvm_pfn_t pfn, unsigned long size)
static void kvm_send_hwpoison_signal(unsigned long address,
struct vm_area_struct *vma)
{
siginfo_t info;
clear_siginfo(&info);
info.si_signo = SIGBUS;
info.si_errno = 0;
info.si_code = BUS_MCEERR_AR;
info.si_addr = (void __user *)address;
short lsb;
if (is_vm_hugetlb_page(vma))
info.si_addr_lsb = huge_page_shift(hstate_vma(vma));
lsb = huge_page_shift(hstate_vma(vma));
else
info.si_addr_lsb = PAGE_SHIFT;
lsb = PAGE_SHIFT;
send_sig_info(SIGBUS, &info, current);
send_sig_mceerr(BUS_MCEERR_AR, (void __user *)address, lsb, current);
}
static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa,