linux-kernel - [REVIEW][PATCH 04/20] signal/x86: Use send_sig

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Message-Id: <20180918000546.12552-4-ebiederm@xmission.com>
Date:   Tue, 18 Sep 2018 02:05:30 +0200
From:   "Eric W. Biederman" <ebiederm@...ssion.com>
To:     linux-kernel@...r.kernel.org
Cc:     linux-arch@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, x86@...nel.org,
        "Eric W. Biederman" <ebiederm@...ssion.com>
Subject: [REVIEW][PATCH 04/20] signal/x86: Use send_sig_mceerr as apropriate

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

Signed-off-by: "Eric W. Biederman" <ebiederm@...ssion.com>
---
 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