[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH 1/7] xen/arm: Remove the variable dom0_11_mapping and open-code the value
Dom0 (aka hardware domain on Arm) is always direct mapped. Rather than using a global variable to store a const, directly open-code it or replace the use with is_domain_direct_mapped(...) macros. This will also help a follow-up patch to move all domain_build.c in init. Signed-off-by: Julien Grall <julien.grall@xxxxxxx> --- xen/arch/arm/domain_build.c | 4 +--- xen/include/asm-arm/domain.h | 4 ++-- 2 files changed, 3 insertions(+), 5 deletions(-) diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c index 11cdf05091..3c414c7f73 100644 --- a/xen/arch/arm/domain_build.c +++ b/xen/arch/arm/domain_build.c @@ -28,8 +28,6 @@ static unsigned int __initdata opt_dom0_max_vcpus; integer_param("dom0_max_vcpus", opt_dom0_max_vcpus); -int dom0_11_mapping = 1; - static u64 __initdata dom0_mem; static int __init parse_dom0_mem(const char *s) @@ -261,7 +259,7 @@ static void allocate_memory(struct domain *d, struct kernel_info *kinfo) * TODO: Implement memory bank allocation when DOM0 is not direct * mapped */ - BUG_ON(!dom0_11_mapping); + BUG_ON(!is_domain_direct_mapped(d)); printk("Allocating 1:1 mappings totalling %ldMB for dom0:\n", /* Don't want format this as PRIpaddr (16 digit hex) */ diff --git a/xen/include/asm-arm/domain.h b/xen/include/asm-arm/domain.h index 7ba6528a74..280c3951fd 100644 --- a/xen/include/asm-arm/domain.h +++ b/xen/include/asm-arm/domain.h @@ -31,8 +31,8 @@ enum domain_type { #define is_64bit_domain(d) (0) #endif -extern int dom0_11_mapping; -#define is_domain_direct_mapped(d) ((d) == hardware_domain && dom0_11_mapping) +/* The hardware domain has always its memory direct mapped. */ +#define is_domain_direct_mapped(d) ((d) == hardware_domain) struct vtimer { struct vcpu *v; -- 2.11.0 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxxx https://lists.xenproject.org/mailman/listinfo/xen-devel
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