All of CONFIG_SCHED_*, and CONFIG_HYPFS build fine.

Add a stub for share_xen_page_with_guest(), which is all that is necessary to
make CONFIG_TRACEBUFFER build.

No functional change.

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
---
CC: Shawn Anastasio <sanastasio@raptorengineering.com>
CC: Oleksii Kurochko <oleksii.kurochko@gmail.com>
CC: George Dunlap <George.Dunlap@citrix.com>
CC: Jan Beulich <JBeulich@suse.com>
CC: Stefano Stabellini <sstabellini@kernel.org>
CC: Julien Grall <julien@xen.org>

https://gitlab.com/xen-project/people/andyhhp/xen/-/pipelines/1342672505

This is in aid of getting wider compiler coverage with the subseqeuent patch
---
 xen/arch/ppc/configs/ppc64_defconfig | 6 ------
 xen/arch/ppc/stubs.c                 | 6 ++++++
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/xen/arch/ppc/configs/ppc64_defconfig b/xen/arch/ppc/configs/ppc64_defconfig
index 48a053237afd..4924d881a27c 100644
--- a/xen/arch/ppc/configs/ppc64_defconfig
+++ b/xen/arch/ppc/configs/ppc64_defconfig
@@ -1,9 +1,3 @@
-# CONFIG_SCHED_CREDIT is not set
-# CONFIG_SCHED_RTDS is not set
-# CONFIG_SCHED_NULL is not set
-# CONFIG_SCHED_ARINC653 is not set
-# CONFIG_TRACEBUFFER is not set
-# CONFIG_HYPFS is not set
 # CONFIG_GRANT_TABLE is not set
 # CONFIG_SPECULATIVE_HARDEN_ARRAY is not set
 # CONFIG_MEM_ACCESS is not set
diff --git a/xen/arch/ppc/stubs.c b/xen/arch/ppc/stubs.c
index 923f0e7b2095..a10691165b1b 100644
--- a/xen/arch/ppc/stubs.c
+++ b/xen/arch/ppc/stubs.c
@@ -333,3 +333,9 @@ void udelay(unsigned long usecs)
 {
     BUG_ON("unimplemented");
 }
+
+void share_xen_page_with_guest(struct page_info *page, struct domain *d,
+                               enum XENSHARE_flags flags)
+{
+    BUG_ON("unimplemented");
+}
-- 
2.39.2

On 21/06/2024 9:19 pm, Andrew Cooper wrote:
> All of CONFIG_SCHED_*, and CONFIG_HYPFS build fine.
>
> Add a stub for share_xen_page_with_guest(), which is all that is necessary to
> make CONFIG_TRACEBUFFER build.
>
> No functional change.
>
> Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
> ---
> CC: Shawn Anastasio <sanastasio@raptorengineering.com>
> CC: Oleksii Kurochko <oleksii.kurochko@gmail.com>
> CC: George Dunlap <George.Dunlap@citrix.com>
> CC: Jan Beulich <JBeulich@suse.com>
> CC: Stefano Stabellini <sstabellini@kernel.org>
> CC: Julien Grall <julien@xen.org>
>
> https://gitlab.com/xen-project/people/andyhhp/xen/-/pipelines/1342672505
>
> This is in aid of getting wider compiler coverage with the subseqeuent patch
> ---
>  xen/arch/ppc/configs/ppc64_defconfig | 6 ------
>  xen/arch/ppc/stubs.c                 | 6 ++++++
>  2 files changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/xen/arch/ppc/configs/ppc64_defconfig b/xen/arch/ppc/configs/ppc64_defconfig
> index 48a053237afd..4924d881a27c 100644
> --- a/xen/arch/ppc/configs/ppc64_defconfig
> +++ b/xen/arch/ppc/configs/ppc64_defconfig
> @@ -1,9 +1,3 @@
> -# CONFIG_SCHED_CREDIT is not set
> -# CONFIG_SCHED_RTDS is not set
> -# CONFIG_SCHED_NULL is not set
> -# CONFIG_SCHED_ARINC653 is not set
> -# CONFIG_TRACEBUFFER is not set
> -# CONFIG_HYPFS is not set
>  # CONFIG_GRANT_TABLE is not set
>  # CONFIG_SPECULATIVE_HARDEN_ARRAY is not set
>  # CONFIG_MEM_ACCESS is not set
> diff --git a/xen/arch/ppc/stubs.c b/xen/arch/ppc/stubs.c
> index 923f0e7b2095..a10691165b1b 100644
> --- a/xen/arch/ppc/stubs.c
> +++ b/xen/arch/ppc/stubs.c
> @@ -333,3 +333,9 @@ void udelay(unsigned long usecs)
>  {
>      BUG_ON("unimplemented");
>  }
> +
> +void share_xen_page_with_guest(struct page_info *page, struct domain *d,
> +                               enum XENSHARE_flags flags)
> +{
> +    BUG_ON("unimplemented");
> +}

On 05.09.2024 23:54, Andrew Cooper wrote:
> On 21/06/2024 9:19 pm, Andrew Cooper wrote:
>> All of CONFIG_SCHED_*, and CONFIG_HYPFS build fine.
>>
>> Add a stub for share_xen_page_with_guest(), which is all that is necessary to
>> make CONFIG_TRACEBUFFER build.
>>
>> No functional change.
>>
>> Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>

Acked-by: Jan Beulich <jbeulich@suse.com>