From: Dan Williams <dan.j.williams@intel.com> To: "Kuppuswamy, Sathyanarayanan" <sathyanarayanan.kuppuswamy@linux.intel.com> Cc: Alan Stern <stern@rowland.harvard.edu>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Borislav Petkov <bp@alien8.de>, X86 ML <x86@kernel.org>, Bjorn Helgaas <bhelgaas@google.com>, Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>, Andreas Noever <andreas.noever@gmail.com>, "Michael S . Tsirkin" <mst@redhat.com>, Michael Jamet <michael.jamet@intel.com>, Yehezkel Bernat <YehezkelShB@gmail.com>, "Rafael J . Wysocki" <rafael@kernel.org>, Mika Westerberg <mika.westerberg@linux.intel.com>, Jonathan Corbet <corbet@lwn.net>, Jason Wang <jasowang@redhat.com>, Andi Kleen <ak@linux.intel.com>, Kuppuswamy Sathyanarayanan <knsathya@kernel.org>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, Linux PCI <linux-pci@vger.kernel.org>, USB list <linux-usb@vger.kernel.org>, virtualization@lists.linux-foundation.org Subject: Re: [PATCH v2 1/6] driver core: Move the "authorized" attribute from USB/Thunderbolt to core Date: Wed, 29 Sep 2021 21:59:25 -0700 [thread overview] Message-ID: <CAPcyv4gDgQYf0ct_Xy32gQBcWhs6d2uL+wUq4pfzszDHcUHbwQ@mail.gmail.com> (raw) In-Reply-To: <f9b7cf97-0a14-1c80-12ab-23213ec2f4f2@linux.intel.com> On Wed, Sep 29, 2021 at 7:39 PM Kuppuswamy, Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> wrote: > > > > On 9/29/21 6:55 PM, Dan Williams wrote: > >> Also, you ignored the usb_[de]authorize_interface() functions and > >> their friends. > > Ugh, yes. > > I did not change it because I am not sure about the interface vs device > dependency. > This is was the rationale for has_probe_authorization flag. USB performs authorization of child devices based on the authorization state of the parent interface. > I think following change should work. > > diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c > index f57b5a7a90ca..84969732d09c 100644 > --- a/drivers/usb/core/driver.c > +++ b/drivers/usb/core/driver.c > @@ -334,7 +334,7 @@ static int usb_probe_interface(struct device *dev) > if (udev->dev.authorized == false) { > dev_err(&intf->dev, "Device is not authorized for usage\n"); > return error; > - } else if (intf->authorized == 0) { > + } else if (intf->dev.authorized == 0) { == false. > dev_err(&intf->dev, "Interface %d is not authorized for usage\n", > intf->altsetting->desc.bInterfaceNumber); > return error; > @@ -546,7 +546,7 @@ int usb_driver_claim_interface(struct usb_driver *driver, > return -EBUSY; > > /* reject claim if interface is not authorized */ > - if (!iface->authorized) > + if (!iface->dev.authorized) I'd do == false to keep it consistent with other conversions. > return -ENODEV; > > dev->driver = &driver->drvwrap.driver; > diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c > index 47548ce1cfb1..ab3c8d1e4db9 100644 > --- a/drivers/usb/core/message.c > +++ b/drivers/usb/core/message.c > @@ -1791,9 +1791,9 @@ void usb_deauthorize_interface(struct usb_interface *intf) > > device_lock(dev->parent); > > - if (intf->authorized) { > + if (intf->dev.authorized) { > device_lock(dev); > - intf->authorized = 0; > + intf->dev.authorized = 0; = false; > device_unlock(dev); > > usb_forced_unbind_intf(intf); > @@ -1811,9 +1811,9 @@ void usb_authorize_interface(struct usb_interface *intf) > { > struct device *dev = &intf->dev; > > - if (!intf->authorized) { > + if (!intf->dev.authorized) { > device_lock(dev); > - intf->authorized = 1; /* authorize interface */ > + intf->dev.authorized = 1; /* authorize interface */ = true ...not sure that comment is worth preserving.
WARNING: multiple messages have this Message-ID (diff)
From: Dan Williams <dan.j.williams@intel.com> To: "Kuppuswamy, Sathyanarayanan" <sathyanarayanan.kuppuswamy@linux.intel.com> Cc: Jonathan Corbet <corbet@lwn.net>, Andi Kleen <ak@linux.intel.com>, "Michael S . Tsirkin" <mst@redhat.com>, Michael Jamet <michael.jamet@intel.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, X86 ML <x86@kernel.org>, Yehezkel Bernat <YehezkelShB@gmail.com>, Kuppuswamy Sathyanarayanan <knsathya@kernel.org>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, Andreas Noever <andreas.noever@gmail.com>, Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>, Linux PCI <linux-pci@vger.kernel.org>, Bjorn Helgaas <bhelgaas@google.com>, Alan Stern <stern@rowland.harvard.edu>, Thomas Gleixner <tglx@linutronix.de>, virtualization@lists.linux-foundation.org, Mika Westerberg <mika.westerberg@linux.intel.com>, USB list <linux-usb@vger.kernel.org>, "Rafael J . Wysocki" <rafael@kernel.org> Subject: Re: [PATCH v2 1/6] driver core: Move the "authorized" attribute from USB/Thunderbolt to core Date: Wed, 29 Sep 2021 21:59:25 -0700 [thread overview] Message-ID: <CAPcyv4gDgQYf0ct_Xy32gQBcWhs6d2uL+wUq4pfzszDHcUHbwQ@mail.gmail.com> (raw) In-Reply-To: <f9b7cf97-0a14-1c80-12ab-23213ec2f4f2@linux.intel.com> On Wed, Sep 29, 2021 at 7:39 PM Kuppuswamy, Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> wrote: > > > > On 9/29/21 6:55 PM, Dan Williams wrote: > >> Also, you ignored the usb_[de]authorize_interface() functions and > >> their friends. > > Ugh, yes. > > I did not change it because I am not sure about the interface vs device > dependency. > This is was the rationale for has_probe_authorization flag. USB performs authorization of child devices based on the authorization state of the parent interface. > I think following change should work. > > diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c > index f57b5a7a90ca..84969732d09c 100644 > --- a/drivers/usb/core/driver.c > +++ b/drivers/usb/core/driver.c > @@ -334,7 +334,7 @@ static int usb_probe_interface(struct device *dev) > if (udev->dev.authorized == false) { > dev_err(&intf->dev, "Device is not authorized for usage\n"); > return error; > - } else if (intf->authorized == 0) { > + } else if (intf->dev.authorized == 0) { == false. > dev_err(&intf->dev, "Interface %d is not authorized for usage\n", > intf->altsetting->desc.bInterfaceNumber); > return error; > @@ -546,7 +546,7 @@ int usb_driver_claim_interface(struct usb_driver *driver, > return -EBUSY; > > /* reject claim if interface is not authorized */ > - if (!iface->authorized) > + if (!iface->dev.authorized) I'd do == false to keep it consistent with other conversions. > return -ENODEV; > > dev->driver = &driver->drvwrap.driver; > diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c > index 47548ce1cfb1..ab3c8d1e4db9 100644 > --- a/drivers/usb/core/message.c > +++ b/drivers/usb/core/message.c > @@ -1791,9 +1791,9 @@ void usb_deauthorize_interface(struct usb_interface *intf) > > device_lock(dev->parent); > > - if (intf->authorized) { > + if (intf->dev.authorized) { > device_lock(dev); > - intf->authorized = 0; > + intf->dev.authorized = 0; = false; > device_unlock(dev); > > usb_forced_unbind_intf(intf); > @@ -1811,9 +1811,9 @@ void usb_authorize_interface(struct usb_interface *intf) > { > struct device *dev = &intf->dev; > > - if (!intf->authorized) { > + if (!intf->dev.authorized) { > device_lock(dev); > - intf->authorized = 1; /* authorize interface */ > + intf->dev.authorized = 1; /* authorize interface */ = true ...not sure that comment is worth preserving. _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization
next prev parent reply other threads:[~2021-09-30 4:59 UTC|newest] Thread overview: 132+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-09-30 1:05 [PATCH v2 0/6] Add device filter support Kuppuswamy Sathyanarayanan 2021-09-30 1:05 ` [PATCH v2 1/6] driver core: Move the "authorized" attribute from USB/Thunderbolt to core Kuppuswamy Sathyanarayanan 2021-09-30 1:42 ` Alan Stern 2021-09-30 1:42 ` Alan Stern 2021-09-30 1:55 ` Dan Williams 2021-09-30 1:55 ` Dan Williams 2021-09-30 2:38 ` Kuppuswamy, Sathyanarayanan 2021-09-30 4:59 ` Dan Williams [this message] 2021-09-30 4:59 ` Dan Williams 2021-09-30 9:05 ` Rafael J. Wysocki 2021-09-30 9:05 ` Rafael J. Wysocki 2021-09-30 14:59 ` Alan Stern 2021-09-30 14:59 ` Alan Stern 2021-09-30 15:25 ` Dan Williams 2021-09-30 15:25 ` Dan Williams 2021-09-30 11:19 ` Yehezkel Bernat 2021-09-30 15:28 ` Dan Williams 2021-09-30 15:28 ` Dan Williams 2021-09-30 18:25 ` Yehezkel Bernat 2021-09-30 19:04 ` Dan Williams 2021-09-30 19:04 ` Dan Williams 2021-09-30 19:50 ` Kuppuswamy, Sathyanarayanan 2021-09-30 20:23 ` Dan Williams 2021-09-30 20:23 ` Dan Williams 2021-09-30 1:05 ` [PATCH v2 2/6] driver core: Add common support to skip probe for un-authorized devices Kuppuswamy Sathyanarayanan 2021-09-30 10:59 ` Michael S. Tsirkin 2021-09-30 10:59 ` Michael S. Tsirkin 2021-09-30 13:52 ` Greg Kroah-Hartman 2021-09-30 13:52 ` Greg Kroah-Hartman 2021-09-30 14:38 ` Michael S. Tsirkin 2021-09-30 14:38 ` Michael S. Tsirkin 2021-09-30 14:49 ` Greg Kroah-Hartman 2021-09-30 14:49 ` Greg Kroah-Hartman 2021-09-30 15:00 ` Michael S. Tsirkin 2021-09-30 15:00 ` Michael S. Tsirkin 2021-09-30 15:22 ` Greg Kroah-Hartman 2021-09-30 15:22 ` Greg Kroah-Hartman 2021-09-30 17:17 ` Andi Kleen 2021-09-30 17:17 ` Andi Kleen 2021-09-30 17:23 ` Greg Kroah-Hartman 2021-09-30 17:23 ` Greg Kroah-Hartman 2021-09-30 19:15 ` Andi Kleen 2021-09-30 19:15 ` Andi Kleen 2021-10-01 6:29 ` Greg Kroah-Hartman 2021-10-01 6:29 ` Greg Kroah-Hartman 2021-10-01 15:51 ` Alan Stern 2021-10-01 15:51 ` Alan Stern 2021-10-01 15:56 ` Andi Kleen 2021-10-01 15:56 ` Andi Kleen 2021-09-30 14:43 ` Alan Stern 2021-09-30 14:43 ` Alan Stern 2021-09-30 14:48 ` Michael S. Tsirkin 2021-09-30 14:48 ` Michael S. Tsirkin 2021-09-30 15:32 ` Alan Stern 2021-09-30 15:32 ` Alan Stern 2021-09-30 15:52 ` Michael S. Tsirkin 2021-09-30 15:52 ` Michael S. Tsirkin 2021-09-30 14:58 ` Michael S. Tsirkin 2021-09-30 14:58 ` Michael S. Tsirkin 2021-09-30 15:35 ` Alan Stern 2021-09-30 15:35 ` Alan Stern 2021-09-30 15:59 ` Michael S. Tsirkin 2021-09-30 15:59 ` Michael S. Tsirkin 2021-09-30 19:23 ` Andi Kleen 2021-09-30 19:23 ` Andi Kleen 2021-09-30 20:44 ` Alan Stern 2021-09-30 20:44 ` Alan Stern 2021-09-30 20:52 ` Dan Williams 2021-09-30 20:52 ` Dan Williams 2021-10-01 1:41 ` Alan Stern 2021-10-01 1:41 ` Alan Stern 2021-10-01 2:20 ` Dan Williams 2021-10-01 2:20 ` Dan Williams 2021-09-30 21:12 ` Andi Kleen 2021-09-30 21:12 ` Andi Kleen 2021-09-30 1:05 ` [PATCH v2 3/6] driver core: Allow arch to initialize the authorized attribute Kuppuswamy Sathyanarayanan 2021-09-30 1:05 ` [PATCH v2 4/6] virtio: Initialize authorized attribute for confidential guest Kuppuswamy Sathyanarayanan 2021-09-30 11:03 ` Michael S. Tsirkin 2021-09-30 11:03 ` Michael S. Tsirkin 2021-09-30 13:36 ` Dan Williams 2021-09-30 13:36 ` Dan Williams 2021-09-30 13:49 ` Greg Kroah-Hartman 2021-09-30 13:49 ` Greg Kroah-Hartman 2021-09-30 15:18 ` Kuppuswamy, Sathyanarayanan 2021-09-30 15:20 ` Michael S. Tsirkin 2021-09-30 15:20 ` Michael S. Tsirkin 2021-09-30 15:23 ` Kuppuswamy, Sathyanarayanan 2021-09-30 15:23 ` Greg Kroah-Hartman 2021-09-30 15:23 ` Greg Kroah-Hartman 2021-09-30 19:04 ` Kuppuswamy, Sathyanarayanan 2021-09-30 19:16 ` Kuppuswamy, Sathyanarayanan 2021-09-30 19:30 ` Andi Kleen 2021-09-30 19:30 ` Andi Kleen 2021-09-30 19:40 ` Kuppuswamy, Sathyanarayanan 2021-10-01 7:03 ` Greg Kroah-Hartman 2021-10-01 7:03 ` Greg Kroah-Hartman 2021-10-01 15:49 ` Andi Kleen 2021-10-01 15:49 ` Andi Kleen 2021-10-02 11:04 ` Michael S. Tsirkin 2021-10-02 11:04 ` Michael S. Tsirkin 2021-10-02 11:14 ` Greg Kroah-Hartman 2021-10-02 11:14 ` Greg Kroah-Hartman 2021-10-02 14:20 ` Andi Kleen 2021-10-02 14:20 ` Andi Kleen 2021-10-02 14:44 ` Greg Kroah-Hartman 2021-10-02 14:44 ` Greg Kroah-Hartman 2021-10-02 18:40 ` Michael S. Tsirkin 2021-10-02 18:40 ` Michael S. Tsirkin 2021-10-03 6:40 ` Greg Kroah-Hartman 2021-10-03 6:40 ` Greg Kroah-Hartman 2021-10-04 21:04 ` Dan Williams 2021-10-04 21:04 ` Dan Williams 2021-10-01 16:13 ` Dan Williams 2021-10-01 16:13 ` Dan Williams 2021-10-01 16:45 ` Alan Stern 2021-10-01 16:45 ` Alan Stern 2021-10-01 18:09 ` Dan Williams 2021-10-01 18:09 ` Dan Williams 2021-10-01 19:00 ` Alan Stern 2021-10-01 19:00 ` Alan Stern 2021-10-01 19:45 ` Kuppuswamy, Sathyanarayanan 2021-10-01 19:57 ` Dan Williams 2021-10-01 19:57 ` Dan Williams 2021-10-04 5:16 ` Mika Westerberg 2021-10-05 22:33 ` Dan Williams 2021-10-05 22:33 ` Dan Williams 2021-10-06 5:45 ` Greg Kroah-Hartman 2021-10-06 5:45 ` Greg Kroah-Hartman 2021-09-30 19:25 ` Andi Kleen 2021-09-30 19:25 ` Andi Kleen 2021-09-30 1:05 ` [PATCH v2 5/6] x86/tdx: Add device filter support for x86 TDX guest platform Kuppuswamy Sathyanarayanan 2021-09-30 1:05 ` [PATCH v2 6/6] PCI: Initialize authorized attribute for confidential guest Kuppuswamy Sathyanarayanan
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