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x86/acrn: Remove redundant chars from ACRN signature

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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
This commit is contained in:
Shuo Liu 2020-08-06 19:41:11 +08:00 committed by Ingo Molnar
parent 86d709ce30
commit 4c7bfa383e
1 changed files with 2 additions and 2 deletions
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4
arch/x86/kernel/cpu/acrn.c
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@ -17,9 +17,9 @@
#include <asm/idtentry.h> #include <asm/idtentry.h>
#include <asm/irq_regs.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) static void __init acrn_init_platform(void)