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bh=9/OUN2Gm+Qv34d8XgHbVohMxvKK4pJQF7AYNg438zXs=; b=LYBQZn5uTeD56T72r6WFjwFckk2e+0lRVGYETy8UMlugEPwoTpvx+nlPLeFHVtevTFEpfG ey1C4ROHTGHechUh0xrYkQGos11gNDNLnXq+vnGHQtAH6Z8LBToyJn6GnTOGBdqIEiZNgi +ZJtiEjuGaj+VW3xs1lgBNHeunM9GXM= X-MC-Unique: bOGQXV0CPkmpE-zG7cMWcg-1 From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PULL 105/115] target/i386: sev: Remove redundant cbitpos and reduced_phys_bits fields Date: Thu, 11 Jun 2020 15:44:39 -0400 Message-Id: <20200611194449.31468-106-pbonzini@redhat.com> In-Reply-To: <20200611194449.31468-1-pbonzini@redhat.com> References: <20200611194449.31468-1-pbonzini@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=207.211.31.81; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/11 03:29:33 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Richard Henderson , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , David Gibson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: David Gibson The SEVState structure has cbitpos and reduced_phys_bits fields which are simply copied from the SevGuestState structure and never changed. Now that SEVState is embedded in SevGuestState we can just access the original copy directly. Signed-off-by: David Gibson Reviewed-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson Message-Id: <20200604064219.436242-7-david@gibson.dropbear.id.au> Signed-off-by: Paolo Bonzini --- target/i386/sev.c | 19 +++++++------------ 1 file changed, 7 insertions(+), 12 deletions(-) diff --git a/target/i386/sev.c b/target/i386/sev.c index 9e8ab7b056..d25af37136 100644 --- a/target/i386/sev.c +++ b/target/i386/sev.c @@ -41,8 +41,6 @@ struct SEVState { uint8_t build_id; uint32_t policy; uint64_t me_mask; - uint32_t cbitpos; - uint32_t reduced_phys_bits; uint32_t handle; int sev_fd; SevState state; @@ -378,13 +376,13 @@ sev_get_me_mask(void) uint32_t sev_get_cbit_position(void) { - return sev_guest ? sev_guest->state.cbitpos : 0; + return sev_guest ? sev_guest->cbitpos : 0; } =20 uint32_t sev_get_reduced_phys_bits(void) { - return sev_guest ? sev_guest->state.reduced_phys_bits : 0; + return sev_guest ? sev_guest->reduced_phys_bits : 0; } =20 SevInfo * @@ -713,22 +711,19 @@ sev_guest_init(const char *id) host_cpuid(0x8000001F, 0, NULL, &ebx, NULL, NULL); host_cbitpos =3D ebx & 0x3f; =20 - s->cbitpos =3D object_property_get_int(OBJECT(sev), "cbitpos", NULL); - if (host_cbitpos !=3D s->cbitpos) { + if (host_cbitpos !=3D sev->cbitpos) { error_report("%s: cbitpos check failed, host '%d' requested '%d'", - __func__, host_cbitpos, s->cbitpos); + __func__, host_cbitpos, sev->cbitpos); goto err; } =20 - s->reduced_phys_bits =3D object_property_get_int(OBJECT(sev), - "reduced-phys-bits", NULL); - if (s->reduced_phys_bits < 1) { + if (sev->reduced_phys_bits < 1) { error_report("%s: reduced_phys_bits check failed, it should be >= =3D1," - " requested '%d'", __func__, s->reduced_phys_bits); + " requested '%d'", __func__, sev->reduced_phys_bits); goto err; } =20 - s->me_mask =3D ~(1UL << s->cbitpos); + s->me_mask =3D ~(1UL << sev->cbitpos); =20 devname =3D object_property_get_str(OBJECT(sev), "sev-device", NULL); s->sev_fd =3D open(devname, O_RDWR); --=20 2.26.2