> -----Original Message----- > From: Ard Biesheuvel [mailto:ard.biesheuvel@xxxxxxxxxx] > Sent: Saturday, February 24, 2018 11:40 AM > To: Ghannam, Yazen <Yazen.Ghannam@xxxxxxx> > Cc: linux-efi@xxxxxxxxxxxxxxx; Linux Kernel Mailing List <linux- > kernel@xxxxxxxxxxxxxxx>; Borislav Petkov <bp@xxxxxxx>; the arch/x86 > maintainers <x86@xxxxxxxxxx> > Subject: Re: [PATCH 3/8] efi: Decode IA32/X64 Processor Error Info Structure > ... > > > > diff --git a/drivers/firmware/efi/cper-x86.c b/drivers/firmware/efi/cper- > x86.c > > index b50ee3cdf637..9d608f742c98 100644 > > --- a/drivers/firmware/efi/cper-x86.c > > +++ b/drivers/firmware/efi/cper-x86.c > > @@ -4,15 +4,28 @@ > > > > #include <linux/cper.h> > > > > +#define INDENT_SP " " > > + > > /* > > * We don't need a "CPER_IA" prefix since these are all locally defined. > > * This will save us a lot of line space. > > */ > > #define VALID_LAPIC_ID BIT_ULL(0) > > #define VALID_CPUID_INFO BIT_ULL(1) > > +#define VALID_PROC_ERR_INFO_NUM(bits) ((bits & GENMASK_ULL(7, 2)) > >> 2) > > + > > Parens around 'bits' please > Like this? #define VALID_PROC_ERR_INFO_NUM(bits) (((bits) & GENMASK_ULL(7, 2)) >> 2) I'll do the same for the others. > > +#define INFO_VALID_CHECK_INFO BIT_ULL(0) > > +#define INFO_VALID_TARGET_ID BIT_ULL(1) > > +#define INFO_VALID_REQUESTOR_ID BIT_ULL(2) > > +#define INFO_VALID_RESPONDER_ID BIT_ULL(3) > > +#define INFO_VALID_IP BIT_ULL(4) > > > > void cper_print_proc_ia(const char *pfx, const struct cper_sec_proc_ia > *proc) > > { > > + int i; > > + struct cper_ia_err_info *err_info; > > + char newpfx[64]; > > + > > printk("%sValidation Bits: 0x%016llx\n", pfx, proc->validation_bits); > > > > if (proc->validation_bits & VALID_LAPIC_ID) > > @@ -23,4 +36,44 @@ void cper_print_proc_ia(const char *pfx, const struct > cper_sec_proc_ia *proc) > > print_hex_dump(pfx, "", DUMP_PREFIX_OFFSET, 16, 4, proc- > >cpuid, > > sizeof(proc->cpuid), 0); > > } > > + > > + snprintf(newpfx, sizeof(newpfx), "%s%s", pfx, INDENT_SP); > > + > > + err_info = (struct cper_ia_err_info *)(proc + 1); > > + for (i = 0; i < VALID_PROC_ERR_INFO_NUM(proc->validation_bits); i++) > { > > + printk("%sError Information Structure %d:\n", pfx, i); > > + > > + printk("%sError Structure Type: %pUl\n", newpfx, > > + &err_info->err_type); > > + > > The indentation is a bit awkward here. Could you please align followup > lines with the character following the ( on the first line? > Yes, will do. > > + printk("%sValidation Bits: 0x%016llx\n", > > + newpfx, err_info->validation_bits); > > + > > + if (err_info->validation_bits & INFO_VALID_CHECK_INFO) { > > + printk("%sCheck Information: 0x%016llx\n", newpfx, > > + err_info->check_info); > > + } > > + > > + if (err_info->validation_bits & INFO_VALID_TARGET_ID) { > > + printk("%sTarget Identifier: 0x%016llx\n", > > + newpfx, err_info->target_id); > > + } > > + > > + if (err_info->validation_bits & INFO_VALID_REQUESTOR_ID) { > > + printk("%sRequestor Identifier: 0x%016llx\n", > > + newpfx, err_info->requestor_id); > > + } > > + > > + if (err_info->validation_bits & INFO_VALID_RESPONDER_ID) { > > + printk("%sResponder Identifier: 0x%016llx\n", > > + newpfx, err_info->responder_id); > > + } > > + > > + if (err_info->validation_bits & INFO_VALID_IP) { > > + printk("%sInstruction Pointer: 0x%016llx\n", > > + newpfx, err_info->ip); > > + } > > + > > + err_info++; > > + } > > } > > -- > > 2.14.1 > > ��.n��������+%������w��{.n�����{����*jg��������ݢj����G�������j:+v���w�m������w�������h�����٥