From: Greg KH <gregkh@linuxfoundation.org>
To: George Zhang <georgezhang@vmware.com>
Cc: pv-drivers@vmware.com, linux-kernel@vger.kernel.org,
virtualization@lists.linux-foundation.org
Subject: Re: [PATCH 11/12] VMCI: host side driver implementation.
Date: Thu, 15 Nov 2012 16:03:31 -0800 [thread overview]
Message-ID: <20121116000331.GA13149@kroah.com> (raw)
In-Reply-To: <20121107184249.9658.53806.stgit@promb-2n-dhcp175.eng.vmware.com>
On Wed, Nov 07, 2012 at 10:42:53AM -0800, George Zhang wrote:
> +/*
> + * Sets up a given context for notify to work. Calls drv_map_bool_ptr()
> + * which maps the notify boolean in user VA in kernel space.
> + */
> +static int vmci_host_setup_notify(struct vmci_ctx *context,
> + unsigned long uva)
> +{
> + struct page *page;
> + int retval;
> +
> + if (context->notify_page) {
> + pr_devel("%s: Notify mechanism is already set up.\n", __func__);
> + return VMCI_ERROR_DUPLICATE_ENTRY;
> + }
> +
> + if (!access_ok(VERIFY_WRITE, (void __user *)uva, sizeof(bool)))
> + return VMCI_ERROR_GENERIC;
This line causes sparse to complain. The odds that userspace knows what
gcc is using for "bool" is pretty low.
Please fix.
thanks,
greg k-h
WARNING: multiple messages have this Message-ID (diff)
From: Greg KH <gregkh@linuxfoundation.org>
To: George Zhang <georgezhang@vmware.com>
Cc: linux-kernel@vger.kernel.org,
virtualization@lists.linux-foundation.org, pv-drivers@vmware.com
Subject: Re: [PATCH 11/12] VMCI: host side driver implementation.
Date: Thu, 15 Nov 2012 16:03:31 -0800 [thread overview]
Message-ID: <20121116000331.GA13149@kroah.com> (raw)
In-Reply-To: <20121107184249.9658.53806.stgit@promb-2n-dhcp175.eng.vmware.com>
On Wed, Nov 07, 2012 at 10:42:53AM -0800, George Zhang wrote:
> +/*
> + * Sets up a given context for notify to work. Calls drv_map_bool_ptr()
> + * which maps the notify boolean in user VA in kernel space.
> + */
> +static int vmci_host_setup_notify(struct vmci_ctx *context,
> + unsigned long uva)
> +{
> + struct page *page;
> + int retval;
> +
> + if (context->notify_page) {
> + pr_devel("%s: Notify mechanism is already set up.\n", __func__);
> + return VMCI_ERROR_DUPLICATE_ENTRY;
> + }
> +
> + if (!access_ok(VERIFY_WRITE, (void __user *)uva, sizeof(bool)))
> + return VMCI_ERROR_GENERIC;
This line causes sparse to complain. The odds that userspace knows what
gcc is using for "bool" is pretty low.
Please fix.
thanks,
greg k-h
next prev parent reply other threads:[~2012-11-16 0:03 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-07 18:40 [PATCH 00/12] VMCI for Linux upstreaming George Zhang
2012-11-07 18:41 ` [PATCH 01/12] VMCI: context implementation George Zhang
2012-11-07 18:41 ` [PATCH 02/12] VMCI: datagram implementation George Zhang
2012-11-15 23:47 ` Greg KH
2012-11-15 23:47 ` Greg KH
2012-11-07 18:41 ` [PATCH 03/12] VMCI: doorbell implementation George Zhang
2012-11-07 18:41 ` [PATCH 04/12] VMCI: device driver implementaton George Zhang
2012-11-07 18:41 ` [PATCH 05/12] VMCI: event handling implementation George Zhang
2012-11-07 18:42 ` [PATCH 06/12] VMCI: handle array implementation George Zhang
2012-11-07 18:42 ` [PATCH 07/12] VMCI: queue pairs implementation George Zhang
2012-11-15 23:48 ` Greg KH
2012-11-15 23:48 ` Greg KH
2012-11-07 18:42 ` [PATCH 08/12] VMCI: resource object implementation George Zhang
2012-11-07 18:42 ` [PATCH 09/12] VMCI: routing implementation George Zhang
2012-11-07 18:42 ` [PATCH 10/12] VMCI: guest side driver implementation George Zhang
2012-11-07 18:42 ` [PATCH 11/12] VMCI: host " George Zhang
2012-11-16 0:03 ` Greg KH [this message]
2012-11-16 0:03 ` Greg KH
2012-11-07 18:43 ` [PATCH 12/12] VMCI: Some header and config files George Zhang
2012-11-16 0:01 ` Greg KH
2012-11-16 0:01 ` Greg KH
2012-11-27 0:03 ` Greg KH
2012-11-27 0:23 ` Dmitry Torokhov
2012-11-27 0:23 ` Dmitry Torokhov
2012-11-27 0:32 ` Greg KH
2012-11-27 0:32 ` Greg KH
2012-11-27 0:45 ` [Pv-drivers] " Dmitry Torokhov
2012-11-30 16:47 ` Andy King
2012-11-30 16:47 ` Andy King
2012-11-30 17:09 ` Greg KH
2012-11-30 17:09 ` Greg KH
2012-11-30 17:20 ` [Pv-drivers] " Dmitry Torokhov
2012-11-30 18:39 ` Greg KH
2012-11-30 18:45 ` Dmitry Torokhov
2012-11-30 18:57 ` Greg KH
2012-11-30 20:09 ` Dmitry Torokhov
2012-11-30 20:44 ` Greg KH
2012-11-30 20:58 ` Dmitry Torokhov
2012-11-30 21:17 ` Greg KH
2012-11-30 20:44 ` Greg KH
2012-11-30 18:39 ` Greg KH
2012-11-27 0:03 ` Greg KH
-- strict thread matches above, loose matches on Subject: below --
2013-01-08 23:52 [PATCH 00/12] VMCI for Linux upstreaming George Zhang
2013-01-08 23:55 ` [PATCH 11/12] VMCI: host side driver implementation George Zhang
2012-11-21 20:31 [PATCH 00/12] VMCI for Linux upstreaming George Zhang
2012-11-21 20:35 ` [PATCH 11/12] VMCI: host side driver implementation George Zhang
2012-11-01 17:28 [PATCH 00/12] VMCI for Linux upstreaming George Zhang
2012-11-01 17:30 ` [PATCH 11/12] VMCI: host side driver implementation George Zhang
2012-11-01 17:30 ` George Zhang
2012-10-30 1:03 [PATCH 00/12] VMCI for Linux upstreaming George Zhang
2012-10-30 1:05 ` [PATCH 11/12] VMCI: host side driver implementation George Zhang
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