Re: [RESEND][PATCH v2 5/7] xen: include xen/guest_access.h rather than asm/guest_access.h

[Bertrand Marquis <Bertrand.Marquis@xxxxxxx>]

> On 30 Jul 2020, at 20:18, Julien Grall <julien@xxxxxxx> wrote:
> 
> From: Julien Grall <jgrall@xxxxxxxxxx>
> 
> Only a few places are actually including asm/guest_access.h. While this
> is fine today, a follow-up patch will want to move most of the helpers
> from asm/guest_access.h to xen/guest_access.h.
> 
> To prepare the move, everyone should include xen/guest_access.h rather
> than asm/guest_access.h.
> 
> Interestingly, asm-arm/guest_access.h includes xen/guest_access.h. The
> inclusion is now removed as no-one but the latter should include the
> former.
> 
> Signed-off-by: Julien Grall <jgrall@xxxxxxxxxx>
Reviewed-by: Bertrand Marquis <bertrand.marquis@xxxxxxx>

(sorry forgot to remove the disclaimer in the previous one)
> 
> ---
>    Changes in v2:
>        - Remove some changes that weren't meant to be here.
> ---
> xen/arch/arm/decode.c                | 2 +-
> xen/arch/arm/domain.c                | 2 +-
> xen/arch/arm/guest_walk.c            | 3 ++-
> xen/arch/arm/guestcopy.c             | 2 +-
> xen/arch/arm/vgic-v3-its.c           | 2 +-
> xen/arch/x86/hvm/svm/svm.c           | 2 +-
> xen/arch/x86/hvm/viridian/viridian.c | 2 +-
> xen/arch/x86/hvm/vmx/vmx.c           | 2 +-
> xen/common/libelf/libelf-loader.c    | 2 +-
> xen/include/asm-arm/guest_access.h   | 1 -
> xen/lib/x86/private.h                | 2 +-
> 11 files changed, 11 insertions(+), 11 deletions(-)
> 
> diff --git a/xen/arch/arm/decode.c b/xen/arch/arm/decode.c
> index 144793c8cea0..792c2e92a7eb 100644
> --- a/xen/arch/arm/decode.c
> +++ b/xen/arch/arm/decode.c
> @@ -17,12 +17,12 @@
>  * GNU General Public License for more details.
>  */
> 
> +#include <xen/guest_access.h>
> #include <xen/lib.h>
> #include <xen/sched.h>
> #include <xen/types.h>
> 
> #include <asm/current.h>
> -#include <asm/guest_access.h>
> 
> #include "decode.h"
> 
> diff --git a/xen/arch/arm/domain.c b/xen/arch/arm/domain.c
> index 31169326b2e3..9258f6d3faa2 100644
> --- a/xen/arch/arm/domain.c
> +++ b/xen/arch/arm/domain.c
> @@ -12,6 +12,7 @@
> #include <xen/bitops.h>
> #include <xen/errno.h>
> #include <xen/grant_table.h>
> +#include <xen/guest_access.h>
> #include <xen/hypercall.h>
> #include <xen/init.h>
> #include <xen/lib.h>
> @@ -26,7 +27,6 @@
> #include <asm/current.h>
> #include <asm/event.h>
> #include <asm/gic.h>
> -#include <asm/guest_access.h>
> #include <asm/guest_atomics.h>
> #include <asm/irq.h>
> #include <asm/p2m.h>
> diff --git a/xen/arch/arm/guest_walk.c b/xen/arch/arm/guest_walk.c
> index a1cdd7f4afea..b4496c4c86c6 100644
> --- a/xen/arch/arm/guest_walk.c
> +++ b/xen/arch/arm/guest_walk.c
> @@ -16,8 +16,9 @@
>  */
> 
> #include <xen/domain_page.h>
> +#include <xen/guest_access.h>
> #include <xen/sched.h>
> -#include <asm/guest_access.h>
> +
> #include <asm/guest_walk.h>
> #include <asm/short-desc.h>
> 
> diff --git a/xen/arch/arm/guestcopy.c b/xen/arch/arm/guestcopy.c
> index c8023e2bca5d..32681606d8fc 100644
> --- a/xen/arch/arm/guestcopy.c
> +++ b/xen/arch/arm/guestcopy.c
> @@ -1,10 +1,10 @@
> #include <xen/domain_page.h>
> +#include <xen/guest_access.h>
> #include <xen/lib.h>
> #include <xen/mm.h>
> #include <xen/sched.h>
> 
> #include <asm/current.h>
> -#include <asm/guest_access.h>
> 
> #define COPY_flush_dcache   (1U << 0)
> #define COPY_from_guest     (0U << 1)
> diff --git a/xen/arch/arm/vgic-v3-its.c b/xen/arch/arm/vgic-v3-its.c
> index 6e153c698d56..58d939b85f92 100644
> --- a/xen/arch/arm/vgic-v3-its.c
> +++ b/xen/arch/arm/vgic-v3-its.c
> @@ -32,6 +32,7 @@
> #include <xen/bitops.h>
> #include <xen/config.h>
> #include <xen/domain_page.h>
> +#include <xen/guest_access.h>
> #include <xen/lib.h>
> #include <xen/init.h>
> #include <xen/softirq.h>
> @@ -39,7 +40,6 @@
> #include <xen/sched.h>
> #include <xen/sizes.h>
> #include <asm/current.h>
> -#include <asm/guest_access.h>
> #include <asm/mmio.h>
> #include <asm/gic_v3_defs.h>
> #include <asm/gic_v3_its.h>
> diff --git a/xen/arch/x86/hvm/svm/svm.c b/xen/arch/x86/hvm/svm/svm.c
> index ca3bbfcbb355..7301f3cd6004 100644
> --- a/xen/arch/x86/hvm/svm/svm.c
> +++ b/xen/arch/x86/hvm/svm/svm.c
> @@ -16,6 +16,7 @@
>  * this program; If not, see <http://www.gnu.org/licenses/>.
>  */
> 
> +#include <xen/guest_access.h>
> #include <xen/init.h>
> #include <xen/lib.h>
> #include <xen/trace.h>
> @@ -34,7 +35,6 @@
> #include <asm/cpufeature.h>
> #include <asm/processor.h>
> #include <asm/amd.h>
> -#include <asm/guest_access.h>
> #include <asm/debugreg.h>
> #include <asm/msr.h>
> #include <asm/i387.h>
> diff --git a/xen/arch/x86/hvm/viridian/viridian.c 
> b/xen/arch/x86/hvm/viridian/viridian.c
> index 977c1bc54fad..dc7183a54627 100644
> --- a/xen/arch/x86/hvm/viridian/viridian.c
> +++ b/xen/arch/x86/hvm/viridian/viridian.c
> @@ -5,12 +5,12 @@
>  * Hypervisor Top Level Functional Specification for more information.
>  */
> 
> +#include <xen/guest_access.h>
> #include <xen/sched.h>
> #include <xen/version.h>
> #include <xen/hypercall.h>
> #include <xen/domain_page.h>
> #include <xen/param.h>
> -#include <asm/guest_access.h>
> #include <asm/guest/hyperv-tlfs.h>
> #include <asm/paging.h>
> #include <asm/p2m.h>
> diff --git a/xen/arch/x86/hvm/vmx/vmx.c b/xen/arch/x86/hvm/vmx/vmx.c
> index eb54aadfbafb..cb5df1e81c9c 100644
> --- a/xen/arch/x86/hvm/vmx/vmx.c
> +++ b/xen/arch/x86/hvm/vmx/vmx.c
> @@ -15,6 +15,7 @@
>  * this program; If not, see <http://www.gnu.org/licenses/>.
>  */
> 
> +#include <xen/guest_access.h>
> #include <xen/init.h>
> #include <xen/lib.h>
> #include <xen/param.h>
> @@ -31,7 +32,6 @@
> #include <asm/regs.h>
> #include <asm/cpufeature.h>
> #include <asm/processor.h>
> -#include <asm/guest_access.h>
> #include <asm/debugreg.h>
> #include <asm/msr.h>
> #include <asm/p2m.h>
> diff --git a/xen/common/libelf/libelf-loader.c 
> b/xen/common/libelf/libelf-loader.c
> index 0f468727d04a..629cc0d3e611 100644
> --- a/xen/common/libelf/libelf-loader.c
> +++ b/xen/common/libelf/libelf-loader.c
> @@ -16,7 +16,7 @@
>  */
> 
> #ifdef __XEN__
> -#include <asm/guest_access.h>
> +#include <xen/guest_access.h>
> #endif
> 
> #include "libelf-private.h"
> diff --git a/xen/include/asm-arm/guest_access.h 
> b/xen/include/asm-arm/guest_access.h
> index 31b9f03f0015..b9a89c495527 100644
> --- a/xen/include/asm-arm/guest_access.h
> +++ b/xen/include/asm-arm/guest_access.h
> @@ -1,7 +1,6 @@
> #ifndef __ASM_ARM_GUEST_ACCESS_H__
> #define __ASM_ARM_GUEST_ACCESS_H__
> 
> -#include <xen/guest_access.h>
> #include <xen/errno.h>
> #include <xen/sched.h>
> 
> diff --git a/xen/lib/x86/private.h b/xen/lib/x86/private.h
> index b793181464f3..2d53bd3ced23 100644
> --- a/xen/lib/x86/private.h
> +++ b/xen/lib/x86/private.h
> @@ -4,12 +4,12 @@
> #ifdef __XEN__
> 
> #include <xen/bitops.h>
> +#include <xen/guest_access.h>
> #include <xen/kernel.h>
> #include <xen/lib.h>
> #include <xen/nospec.h>
> #include <xen/types.h>
> 
> -#include <asm/guest_access.h>
> #include <asm/msr-index.h>
> 
> #define copy_to_buffer_offset copy_to_guest_offset
> -- 
> 2.17.1
> 
>