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Subject[tip: x86/urgent] x86/acrn: Remove redundant chars from ACRN signature
The following commit has been merged into the x86/urgent branch of tip:

Commit-ID: 4c7bfa383efd837d4ab8f86ef05886959ed8bfe5
Gitweb: https://git.kernel.org/tip/4c7bfa383efd837d4ab8f86ef05886959ed8bfe5
Author: Shuo Liu <shuo.a.liu@intel.com>
AuthorDate: Thu, 06 Aug 2020 19:41:11 +08:00
Committer: Ingo Molnar <mingo@kernel.org>
CommitterDate: Fri, 07 Aug 2020 01:32:00 +02:00

x86/acrn: Remove redundant chars from ACRN signature

hypervisor_cpuid_base() only handles 12 chars of the hypervisor
signature string but is provided with 14 chars.

Remove the redundancy. Additionally, replace the user space uint32_t
with preferred kernel type u32.

Signed-off-by: Shuo Liu <shuo.a.liu@intel.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Reinette Chatre <reinette.chatre@intel.com>
Link: https://lore.kernel.org/r/20200806114111.9448-1-shuo.a.liu@intel.com
---
arch/x86/kernel/cpu/acrn.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/cpu/acrn.c b/arch/x86/kernel/cpu/acrn.c
index 3b08cdf..0b2c039 100644
--- a/arch/x86/kernel/cpu/acrn.c
+++ b/arch/x86/kernel/cpu/acrn.c
@@ -17,9 +17,9 @@
#include <asm/idtentry.h>
#include <asm/irq_regs.h>

-static uint32_t __init acrn_detect(void)
+static u32 __init acrn_detect(void)
{
- return hypervisor_cpuid_base("ACRNACRNACRN\0\0", 0);
+ return hypervisor_cpuid_base("ACRNACRNACRN", 0);
}

static void __init acrn_init_platform(void)
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