[tip: x86/apic] x86/xen/pv: Pretend that it found SMP configuration

From: tip-bot2 for Thomas Gleixner
Date: Wed Aug 09 2023 - 11:34:28 EST


The following commit has been merged into the x86/apic branch of tip:

Commit-ID: 8fd2ac6c0d74f59897eeb83de72aeb3278a54ae8
Gitweb: https://git.kernel.org/tip/8fd2ac6c0d74f59897eeb83de72aeb3278a54ae8
Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
AuthorDate: Tue, 08 Aug 2023 15:03:49 -07:00
Committer: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
CommitterDate: Wed, 09 Aug 2023 08:10:11 -07:00

x86/xen/pv: Pretend that it found SMP configuration

Unlike all other SMP configuration "parsers" XEN/PV does not set
smp_found_config which is inconsistent and prevents doing proper decision
logic based on this flag.

Make XEN/PV pretend that it found SMP configuration.

Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
---
arch/x86/xen/smp_pv.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/x86/xen/smp_pv.c b/arch/x86/xen/smp_pv.c
index c6b42c6..a0f07bb 100644
--- a/arch/x86/xen/smp_pv.c
+++ b/arch/x86/xen/smp_pv.c
@@ -182,7 +182,8 @@ static void __init _get_smp_config(unsigned int early)
if (subtract)
set_nr_cpu_ids(nr_cpu_ids - subtract);
#endif
-
+ /* Pretend to be a proper enumerated system */
+ smp_found_config = 1;
}

static void __init xen_pv_smp_prepare_boot_cpu(void)