[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [PATCH v2] xen: address violations of MISRA C:2012 Rule 11.8.
On 01/12/23 14:03, Jan Beulich wrote: On 01.12.2023 12:48, Julien Grall wrote:On 01/12/2023 11:37, Simone Ballarin wrote:--- a/xen/arch/arm/include/asm/regs.h +++ b/xen/arch/arm/include/asm/regs.h @@ -48,7 +48,7 @@ static inline bool regs_mode_is_32bit(const struct cpu_user_regs *regs)static inline bool guest_mode(const struct cpu_user_regs *r){ - unsigned long diff = (char *)guest_cpu_user_regs() - (char *)(r); + unsigned long diff = (const uintptr_t)guest_cpu_user_regs() - (const uintptr_t)(r);NIT: The const should not be necessary here. Am I correct?--- a/xen/arch/x86/include/asm/regs.h +++ b/xen/arch/x86/include/asm/regs.h @@ -6,7 +6,8 @@#define guest_mode(r) \({ \ - unsigned long diff = (char *)guest_cpu_user_regs() - (char *)(r); \ + unsigned long diff = (const uintptr_t)guest_cpu_user_regs() - \ + (const uintptr_t(r)); \Was this compiled on x86? Shouldn't the last one be (const uintptr_t)(r))?And again with the stray const-s dropped and with indentation adjusted. I will remove the const in the first parameter and fix the indentation in the following way: unsigned long diff = (uintptr_t)guest_cpu_user_regs() - \ (const uintptr_t)(r); \ Jan -- Simone Ballarin, M.Sc. Field Application Engineer, BUGSENG (https://bugseng.com)
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