[REVIEW][PATCH 4/4] signal/arm/kvm: Use send_sig_mceerr
From: Eric W. Biederman <hidden>
Date: 2018-09-24 12:12:23
Also in:
linux-arch, lkml
Subsystem:
kernel virtual machine (kvm), the rest · Maintainers:
Paolo Bonzini, Linus Torvalds
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" <redacted> --- virt/kvm/arm/mmu.c | 14 ++++---------- 1 file changed, 4 insertions(+), 10 deletions(-)
diff --git a/virt/kvm/arm/mmu.c b/virt/kvm/arm/mmu.c
index 91aaf73b00df..39c0405f2021 100644
--- a/virt/kvm/arm/mmu.c
+++ b/virt/kvm/arm/mmu.c@@ -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,
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2.17.1