linux-kernel - RE: [PATCH V3 1/10] X86/Hyper-V: Add parameter offset for hyperv_fill_flush_guest_mapping

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <SN6PR2101MB0912C24CD03D22248C868196CC7F0@SN6PR2101MB0912.namprd21.prod.outlook.com>
Date:   Fri, 22 Feb 2019 17:08:41 +0000
From:   Stephen Hemminger <sthemmin@...rosoft.com>
To:     "lantianyu1986@...il.com" <lantianyu1986@...il.com>
CC:     Tianyu Lan <Tianyu.Lan@...rosoft.com>,
        "christoffer.dall@....com" <christoffer.dall@....com>,
        "marc.zyngier@....com" <marc.zyngier@....com>,
        "linux@...linux.org.uk" <linux@...linux.org.uk>,
        "catalin.marinas@....com" <catalin.marinas@....com>,
        "will.deacon@....com" <will.deacon@....com>,
        "jhogan@...nel.org" <jhogan@...nel.org>,
        "ralf@...ux-mips.org" <ralf@...ux-mips.org>,
        "paul.burton@...s.com" <paul.burton@...s.com>,
        "paulus@...abs.org" <paulus@...abs.org>,
        "benh@...nel.crashing.org" <benh@...nel.crashing.org>,
        "mpe@...erman.id.au" <mpe@...erman.id.au>,
        KY Srinivasan <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        "sashal@...nel.org" <sashal@...nel.org>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "mingo@...hat.com" <mingo@...hat.com>,
        "bp@...en8.de" <bp@...en8.de>, "hpa@...or.com" <hpa@...or.com>,
        "x86@...nel.org" <x86@...nel.org>,
        "pbonzini@...hat.com" <pbonzini@...hat.com>,
        "rkrcmar@...hat.com" <rkrcmar@...hat.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "kvmarm@...ts.cs.columbia.edu" <kvmarm@...ts.cs.columbia.edu>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-mips@...r.kernel.org" <linux-mips@...r.kernel.org>,
        "kvm-ppc@...r.kernel.org" <kvm-ppc@...r.kernel.org>,
        "linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
        "devel@...uxdriverproject.org" <devel@...uxdriverproject.org>,
        "kvm@...r.kernel.org" <kvm@...r.kernel.org>,
        Michael Kelley <mikelley@...rosoft.com>,
        vkuznets <vkuznets@...hat.com>
Subject: RE: [PATCH V3 1/10] X86/Hyper-V: Add parameter offset for
 hyperv_fill_flush_guest_mapping_list()

int hyperv_fill_flush_guest_mapping_list(
 		struct hv_guest_mapping_flush_list *flush,
-		u64 start_gfn, u64 pages)
+		int offset, u64 start_gfn, u64 pages)
 {
 	u64 cur = start_gfn;
 	u64 additional_pages;
-	int gpa_n = 0;
+	int gpa_n = offset;
 
 	do {
 		/*

Do you mean to support negative offsets here? Maybe unsigned would be better?