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Mon, 29 Jul 2019 21:08:45 +0000 From: Atish Patra To: "paul.walmsley@sifive.com" , "rkrcmar@redhat.com" , "pbonzini@redhat.com" , "palmer@sifive.com" , Anup Patel CC: "linux-riscv@lists.infradead.org" , "daniel.lezcano@linaro.org" , Alistair Francis , Damien Le Moal , "hch@infradead.org" , "tglx@linutronix.de" , "kvm@vger.kernel.org" , "anup@brainfault.org" , "linux-kernel@vger.kernel.org" Subject: Re: [RFC PATCH 15/16] RISC-V: KVM: Add SBI v0.1 support Thread-Topic: [RFC PATCH 15/16] RISC-V: KVM: Add SBI v0.1 support Thread-Index: AQHVRgTdLbP8aD0d50+SPOvQQEaYeqbh/v2AgAAC3ICAAATnAIAAENOA Date: Mon, 29 Jul 2019 21:08:45 +0000 Message-ID: <9914fa698cb0f2d72e2e92d98136100ea36e4c47.camel@wdc.com> References: <20190729115544.17895-1-anup.patel@wdc.com> <20190729115544.17895-16-anup.patel@wdc.com> <0e19ff14a51e210af91c4b0f2e649b8f5e140ce1.camel@wdc.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=Atish.Patra@wdc.com; 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Mon, 29 Jul 2019 21:08:45 +0000 From: Atish Patra To: "paul.walmsley@sifive.com" , "rkrcmar@redhat.com" , "pbonzini@redhat.com" , "palmer@sifive.com" , Anup Patel Subject: Re: [RFC PATCH 15/16] RISC-V: KVM: Add SBI v0.1 support Thread-Topic: [RFC PATCH 15/16] RISC-V: KVM: Add SBI v0.1 support Thread-Index: AQHVRgTdLbP8aD0d50+SPOvQQEaYeqbh/v2AgAAC3ICAAATnAIAAENOA Date: Mon, 29 Jul 2019 21:08:45 +0000 Message-ID: <9914fa698cb0f2d72e2e92d98136100ea36e4c47.camel@wdc.com> References: <20190729115544.17895-1-anup.patel@wdc.com> <20190729115544.17895-16-anup.patel@wdc.com> <0e19ff14a51e210af91c4b0f2e649b8f5e140ce1.camel@wdc.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=Atish.Patra@wdc.com; x-originating-ip: [199.255.44.250] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 600d3425-f131-4a4d-bcaf-08d71468f196 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org On Mon, 2019-07-29 at 22:08 +0200, Paolo Bonzini wrote: > On 29/07/19 21:51, Atish Patra wrote: > > On Mon, 2019-07-29 at 21:40 +0200, Paolo Bonzini wrote: > > > On 29/07/19 13:57, Anup Patel wrote: > > > > + csr_write(CSR_HSTATUS, vcpu->arch.guest_context.hstatus > > > > | > > > > HSTATUS_SPRV); > > > > + csr_write(CSR_SSTATUS, vcpu- > > > > >arch.guest_context.sstatus); > > > > + val = *addr; > > > > > > What happens if this load faults? > > > > > > > It should redirect the trap back to VS mode. Currently, it is not > > implemented. It is on the TO-DO list for future iteration of the > > series. > > Ok, please add TODO comments for the more important tasks like this > one > (and/or post a somewhat complete list in reply to 00/16). > Sure. Will add a TODO comment here and put the complete TODO list in cover letter as well. Regards, Atish > Thanks! > > Paolo > _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv