[REVIEW][PATCH 04/20] signal/x86: Use send_sig_mceerr as apropriate

From: Eric W. Biederman
Date: Mon Sep 17 2018 - 20:06:49 EST


This simplifies the code making it clearer what is going on.

Signed-off-by: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
---
arch/x86/kvm/mmu.c | 11 +----------
1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index a282321329b5..95349bfe3b59 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -3114,16 +3114,7 @@ static int __direct_map(struct kvm_vcpu *vcpu, int write, int map_writable,

static void kvm_send_hwpoison_signal(unsigned long address, struct task_struct *tsk)
{
- 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;
- info.si_addr_lsb = PAGE_SHIFT;
-
- send_sig_info(SIGBUS, &info, tsk);
+ send_sig_mceerr(BUS_MCEERR_AR, (void __user *)address, PAGE_SHIFT, tsk);
}

static int kvm_handle_bad_page(struct kvm_vcpu *vcpu, gfn_t gfn, kvm_pfn_t pfn)
--
2.17.1