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Tue, 23 Jul 2024 10:41:32 -0700 (PDT) From: Andrew Cooper To: Xen-devel Cc: Andrew Cooper , Jan Beulich , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= , Stefano Stabellini , Julien Grall Subject: [PATCH] xen/printk: Avoid the use of L as a length modifier Date: Tue, 23 Jul 2024 18:41:29 +0100 Message-Id: <20240723174129.67911-1-andrew.cooper3@citrix.com> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @citrix.com) X-ZM-MESSAGEID: 1721756522041116600 Coverity complains about it being invalid. It turns out that it is a GCC-i= sm to treat ll and L equivalently. C99 only permits L to mean long double. Convert all uses of L in to alternatives, either l, ll or PRI.64 depending = on the operand type. This in turn removes some unnecessary casts which look to predate us having correct PRI* constants. No functional change. Coverity-IDs: 1464224, 1464228, 1464248, 1464261, 1464272, 1464281, 1464287= , 1464290, 1494437 Signed-off-by: Andrew Cooper Reviewed-by: Stefano Stabellini --- CC: Jan Beulich CC: Roger Pau Monn=C3=A9 CC: Stefano Stabellini CC: Julien Grall I'm disappointed at having to use %ll for __fix_to_virt() in apic.c and io_apic.c. The expression ends up ULL because of the GB(64) in VMAP_VIRT_E= ND, but can't really be changed without breaking 32bit builds of Xen. One option might be to turn __fix_to_virt() into a proper function, but there's a lot of that infrastructure which should be dedup'd and not left to each arch to copy. --- xen/arch/x86/apic.c | 2 +- xen/arch/x86/cpu/intel.c | 2 +- xen/arch/x86/cpu/mcheck/mce.c | 9 ++++----- xen/arch/x86/cpu/mcheck/vmce.c | 2 +- xen/arch/x86/e820.c | 6 +++--- xen/arch/x86/hvm/vmx/vmcs.c | 4 ++-- xen/arch/x86/io_apic.c | 2 +- xen/common/page_alloc.c | 4 ++-- xen/common/perfc.c | 8 ++++---- 9 files changed, 19 insertions(+), 20 deletions(-) diff --git a/xen/arch/x86/apic.c b/xen/arch/x86/apic.c index 6567af685a1b..406ecbaab53e 100644 --- a/xen/arch/x86/apic.c +++ b/xen/arch/x86/apic.c @@ -938,7 +938,7 @@ void __init init_apic_mappings(void) apic_phys =3D mp_lapic_addr; =20 set_fixmap_nocache(FIX_APIC_BASE, apic_phys); - apic_printk(APIC_VERBOSE, "mapped APIC to %08Lx (%08lx)\n", APIC_BASE, + apic_printk(APIC_VERBOSE, "mapped APIC to %08llx (%08lx)\n", APIC_BASE, apic_phys); =20 __next: diff --git a/xen/arch/x86/cpu/intel.c b/xen/arch/x86/cpu/intel.c index af56e57bd8ab..29690843fa4a 100644 --- a/xen/arch/x86/cpu/intel.c +++ b/xen/arch/x86/cpu/intel.c @@ -441,7 +441,7 @@ static void intel_log_freq(const struct cpuinfo_x86 *c) unsigned long long val =3D ecx; =20 val *=3D ebx; - printk("CPU%u: TSC: %u Hz * %u / %u =3D %Lu Hz\n", + printk("CPU%u: TSC: %u Hz * %u / %u =3D %llu Hz\n", smp_processor_id(), ecx, ebx, eax, val / eax); } else if ( ecx | eax | ebx ) diff --git a/xen/arch/x86/cpu/mcheck/mce.c b/xen/arch/x86/cpu/mcheck/mce.c index 32c1b2756b90..c2b5199f8bcc 100644 --- a/xen/arch/x86/cpu/mcheck/mce.c +++ b/xen/arch/x86/cpu/mcheck/mce.c @@ -1183,8 +1183,8 @@ static bool x86_mc_msrinject_verify(struct xen_mc_msr= inject *mci) =20 if ( reason !=3D NULL ) { - printk("HV MSR INJECT ERROR: MSR %#Lx %s\n", - (unsigned long long)mci->mcinj_msr[i].reg, reason); + printk("HV MSR INJECT ERROR: MSR %#"PRIx64" %s\n", + mci->mcinj_msr[i].reg, reason); errs++; } } @@ -1228,11 +1228,10 @@ static void cf_check x86_mc_msrinject(void *data) =20 for ( i =3D 0, msr =3D &mci->mcinj_msr[0]; i < mci->mcinj_count; i++, = msr++ ) { - printk("HV MSR INJECT (%s) target %u actual %u MSR %#Lx <-- %#Lx\n= ", + printk("HV MSR INJECT (%s) target %u actual %u MSR %#"PRIx64" <-- = %#"PRIx64"\n", intpose ? "interpose" : "hardware", mci->mcinj_cpunr, smp_processor_id(), - (unsigned long long)msr->reg, - (unsigned long long)msr->value); + msr->reg, msr->value); =20 if ( intpose ) intpose_add(mci->mcinj_cpunr, msr->reg, msr->value); diff --git a/xen/arch/x86/cpu/mcheck/vmce.c b/xen/arch/x86/cpu/mcheck/vmce.c index 5abdf4cb5fd5..dce67a3e1b2c 100644 --- a/xen/arch/x86/cpu/mcheck/vmce.c +++ b/xen/arch/x86/cpu/mcheck/vmce.c @@ -71,7 +71,7 @@ int vmce_restore_vcpu(struct vcpu *v, const struct hvm_vm= ce_vcpu *ctxt) if ( ctxt->caps & ~guest_mcg_cap & ~MCG_CAP_COUNT & ~MCG_CTL_P ) { printk(XENLOG_G_ERR - "%s restore: unsupported MCA capabilities %#"PRIx64" for %p= v (supported: %#Lx)\n", + "%s restore: unsupported MCA capabilities %#"PRIx64" for %p= v (supported: %#llx)\n", is_hvm_vcpu(v) ? "HVM" : "PV", ctxt->caps, v, guest_mcg_cap & ~MCG_CAP_COUNT); return -EINVAL; diff --git a/xen/arch/x86/e820.c b/xen/arch/x86/e820.c index 6a3ce7e0a07f..bfe373e03427 100644 --- a/xen/arch/x86/e820.c +++ b/xen/arch/x86/e820.c @@ -94,9 +94,9 @@ void __init print_e820_memory_map(const struct e820entry = *map, unsigned int i; =20 for (i =3D 0; i < entries; i++) { - printk(" [%016Lx, %016Lx] ", - (unsigned long long)(map[i].addr), - (unsigned long long)(map[i].addr + map[i].size) - 1); + printk(" [%016"PRIx64", %016"PRIx64"] ", + map[i].addr, + map[i].addr + map[i].size - 1); switch (map[i].type) { case E820_RAM: printk("(usable)\n"); diff --git a/xen/arch/x86/hvm/vmx/vmcs.c b/xen/arch/x86/hvm/vmx/vmcs.c index 9b6dc51f36ab..28d91c3857d5 100644 --- a/xen/arch/x86/hvm/vmx/vmcs.c +++ b/xen/arch/x86/hvm/vmx/vmcs.c @@ -517,7 +517,7 @@ static int vmx_init_vmcs_config(bool bsp) if ( (vmx_basic_msr_high & (VMX_BASIC_VMCS_SIZE_MASK >> 32)) > PAGE_SIZE ) { - printk("VMX: CPU%d VMCS size is too big (%Lu bytes)\n", + printk("VMX: CPU%d VMCS size is too big (%llu bytes)\n", smp_processor_id(), vmx_basic_msr_high & (VMX_BASIC_VMCS_SIZE_MASK >> 32)); return -EINVAL; @@ -564,7 +564,7 @@ static int vmx_init_vmcs_config(bool bsp) if ( (vmx_basic_msr_high & (VMX_BASIC_VMCS_SIZE_MASK >> 32)) !=3D ((vmx_basic_msr & VMX_BASIC_VMCS_SIZE_MASK) >> 32) ) { - printk("VMX: CPU%d unexpected VMCS size %Lu\n", + printk("VMX: CPU%d unexpected VMCS size %llu\n", smp_processor_id(), vmx_basic_msr_high & (VMX_BASIC_VMCS_SIZE_MASK >> 32)); mismatch =3D 1; diff --git a/xen/arch/x86/io_apic.c b/xen/arch/x86/io_apic.c index d2a313c4ac72..ef076bfaf3f5 100644 --- a/xen/arch/x86/io_apic.c +++ b/xen/arch/x86/io_apic.c @@ -2597,7 +2597,7 @@ static void __init ioapic_init_mappings(void) } =20 set_fixmap_nocache(idx, ioapic_phys); - apic_printk(APIC_VERBOSE, "mapped IOAPIC to %08Lx (%08lx)\n", + apic_printk(APIC_VERBOSE, "mapped IOAPIC to %08llx (%08lx)\n", __fix_to_virt(idx), ioapic_phys); =20 if ( bad_ioapic_register(i) ) diff --git a/xen/common/page_alloc.c b/xen/common/page_alloc.c index 33c8c917d984..3ea5c1b38b4a 100644 --- a/xen/common/page_alloc.c +++ b/xen/common/page_alloc.c @@ -2395,7 +2395,7 @@ int assign_pages( =20 if ( unlikely(nr > d->max_pages - tot_pages) ) { - gprintk(XENLOG_INFO, "Over-allocation for %pd: %Lu > %u\n", + gprintk(XENLOG_INFO, "Over-allocation for %pd: %llu > %u\n", d, tot_pages + 0ULL + nr, d->max_pages); rc =3D -E2BIG; goto out; @@ -2407,7 +2407,7 @@ int assign_pages( if ( unlikely(d->tot_pages + nr < nr) ) { gprintk(XENLOG_INFO, - "Excess allocation for %pd: %Lu (%u extra)\n", + "Excess allocation for %pd: %llu (%u extra)\n", d, d->tot_pages + 0ULL + nr, d->extra_pages); if ( pg[0].count_info & PGC_extra ) d->extra_pages -=3D nr; diff --git a/xen/common/perfc.c b/xen/common/perfc.c index 80480aa7766d..3efb3a4262ef 100644 --- a/xen/common/perfc.c +++ b/xen/common/perfc.c @@ -49,7 +49,7 @@ void cf_check perfc_printall(unsigned char key) sum +=3D per_cpu(perfcounters, cpu)[j]; if ( perfc_info[i].type =3D=3D TYPE_S_SINGLE )=20 sum =3D (perfc_t) sum; - printk("TOTAL[%12Lu]", sum); + printk("TOTAL[%12llu]", sum); if ( sum ) { k =3D 0; @@ -74,7 +74,7 @@ void cf_check perfc_printall(unsigned char key) } if ( perfc_info[i].type =3D=3D TYPE_S_ARRAY )=20 sum =3D (perfc_t) sum; - printk("TOTAL[%12Lu]", sum); + printk("TOTAL[%12llu]", sum); if (sum) { #ifdef CONFIG_PERF_ARRAYS @@ -87,7 +87,7 @@ void cf_check perfc_printall(unsigned char key) sum =3D (perfc_t) sum; if ( (k % 4) =3D=3D 0 ) printk("\n%16s", ""); - printk(" ARR%02u[%10Lu]", k, sum); + printk(" ARR%02u[%10llu]", k, sum); } #else k =3D 0; @@ -103,7 +103,7 @@ void cf_check perfc_printall(unsigned char key) sum =3D (perfc_t) sum; if ( k > 0 && (k % 4) =3D=3D 0 ) printk("\n%53s", ""); - printk(" CPU%02u[%10Lu]", cpu, sum); + printk(" CPU%02u[%10llu]", cpu, sum); ++k; } #endif --=20 2.39.2