[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [XEN PATCH][for-4.19 v5 3/8] x86: add asmlinkage macro to variables only used in asm code
To avoid a violation of MISRA C:2012 Rule 8.4, as permitted by docs/misra/rules.rst. Signed-off-by: Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx> --- Changes in v3: - Edited commit message - Add two new variables Changes in v5: - Mark current_stack_pointer as a declaration. - Use asmlinkage instead of SAF. --- xen/arch/x86/setup.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/xen/arch/x86/setup.c b/xen/arch/x86/setup.c index a3d3f797bb1e..272fd6f2ad3c 100644 --- a/xen/arch/x86/setup.c +++ b/xen/arch/x86/setup.c @@ -75,7 +75,8 @@ static bool __initdata opt_invpcid = true; boolean_param("invpcid", opt_invpcid); bool __read_mostly use_invpcid; -unsigned long __read_mostly cr4_pv32_mask; +/* Only used in asm code and within this source file */ +asmlinkage unsigned long __read_mostly cr4_pv32_mask; /* **** Linux config option: propagated to domain0. */ /* "acpi=off": Sisables both ACPI table parsing and interpreter. */ @@ -146,14 +147,15 @@ cpumask_t __read_mostly cpu_present_map; unsigned long __read_mostly xen_phys_start; -char __section(".init.bss.stack_aligned") __aligned(STACK_SIZE) +/* Only used in asm code and within this source file */ +asmlinkage char __section(".init.bss.stack_aligned") __aligned(STACK_SIZE) cpu0_stack[STACK_SIZE]; /* Used by the BSP/AP paths to find the higher half stack mapping to use. */ void *stack_start = cpu0_stack + STACK_SIZE - sizeof(struct cpu_info); /* Used by the boot asm to stash the relocated multiboot info pointer. */ -unsigned int __initdata multiboot_ptr; +asmlinkage unsigned int __initdata multiboot_ptr; struct cpuinfo_x86 __read_mostly boot_cpu_data = { 0, 0, 0, 0, -1 }; -- 2.34.1
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