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Date: Thu, 21 Sep 2023 22:14:21 +0800
From: Hao Peng <flyingpenghao@...il.com>
To: pbonzini@...hat.com
Cc: kvm@...r.kernel.org, Sean Christopherson <seanjc@...gle.com>,
linux-kernel@...r.kernel.org
Subject: [PATCH v2] KVM: x86: Use octal for file permission
From: Peng Hao <flyingpeng@...cent.com>
Improve code readability and checkpatch warnings:
WARNING: Symbolic permissions 'S_IRUGO' are not preferred. Consider
using octal permissions '0444'.
Signed-off-by: Peng Hao <flyingpeng@...cent.com>
---
arch/x86/kvm/svm/svm.c | 2 +-
arch/x86/kvm/vmx/vmx.c | 20 ++++++++++----------
arch/x86/kvm/x86.c | 18 +++++++++---------
3 files changed, 20 insertions(+), 20 deletions(-)
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index f283eb47f6ac..ee6542e8837a 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -199,7 +199,7 @@ module_param_named(npt, npt_enabled, bool, 0444);
/* allow nested virtualization in KVM/SVM */
static int nested = true;
-module_param(nested, int, S_IRUGO);
+module_param(nested, int, 0444);
/* enable/disable Next RIP Save */
int nrips = true;
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index af73d5d54ec8..c1e2d80377e3 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -82,28 +82,28 @@ bool __read_mostly enable_vpid = 1;
module_param_named(vpid, enable_vpid, bool, 0444);
static bool __read_mostly enable_vnmi = 1;
-module_param_named(vnmi, enable_vnmi, bool, S_IRUGO);
+module_param_named(vnmi, enable_vnmi, bool, 0444);
bool __read_mostly flexpriority_enabled = 1;
-module_param_named(flexpriority, flexpriority_enabled, bool, S_IRUGO);
+module_param_named(flexpriority, flexpriority_enabled, bool, 0444);
bool __read_mostly enable_ept = 1;
-module_param_named(ept, enable_ept, bool, S_IRUGO);
+module_param_named(ept, enable_ept, bool, 0444);
bool __read_mostly enable_unrestricted_guest = 1;
module_param_named(unrestricted_guest,
- enable_unrestricted_guest, bool, S_IRUGO);
+ enable_unrestricted_guest, bool, 0444);
bool __read_mostly enable_ept_ad_bits = 1;
-module_param_named(eptad, enable_ept_ad_bits, bool, S_IRUGO);
+module_param_named(eptad, enable_ept_ad_bits, bool, 0444);
static bool __read_mostly emulate_invalid_guest_state = true;
-module_param(emulate_invalid_guest_state, bool, S_IRUGO);
+module_param(emulate_invalid_guest_state, bool, 0444);
static bool __read_mostly fasteoi = 1;
-module_param(fasteoi, bool, S_IRUGO);
+module_param(fasteoi, bool, 0444);
-module_param(enable_apicv, bool, S_IRUGO);
+module_param(enable_apicv, bool, 0444);
bool __read_mostly enable_ipiv = true;
module_param(enable_ipiv, bool, 0444);
@@ -114,10 +114,10 @@ module_param(enable_ipiv, bool, 0444);
* use VMX instructions.
*/
static bool __read_mostly nested = 1;
-module_param(nested, bool, S_IRUGO);
+module_param(nested, bool, 0444);
bool __read_mostly enable_pml = 1;
-module_param_named(pml, enable_pml, bool, S_IRUGO);
+module_param_named(pml, enable_pml, bool, 0444);
static bool __read_mostly error_on_inconsistent_vmcs_config = true;
module_param(error_on_inconsistent_vmcs_config, bool, 0444);
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index e3412091505d..8c1190a5d09b 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -145,21 +145,21 @@ EXPORT_STATIC_CALL_GPL(kvm_x86_get_cs_db_l_bits);
EXPORT_STATIC_CALL_GPL(kvm_x86_cache_reg);
static bool __read_mostly ignore_msrs = 0;
-module_param(ignore_msrs, bool, S_IRUGO | S_IWUSR);
+module_param(ignore_msrs, bool, 0644);
bool __read_mostly report_ignored_msrs = true;
-module_param(report_ignored_msrs, bool, S_IRUGO | S_IWUSR);
+module_param(report_ignored_msrs, bool, 0644);
EXPORT_SYMBOL_GPL(report_ignored_msrs);
unsigned int min_timer_period_us = 200;
-module_param(min_timer_period_us, uint, S_IRUGO | S_IWUSR);
+module_param(min_timer_period_us, uint, 0644);
static bool __read_mostly kvmclock_periodic_sync = true;
-module_param(kvmclock_periodic_sync, bool, S_IRUGO);
+module_param(kvmclock_periodic_sync, bool, 0444);
/* tsc tolerance in parts per million - default to 1/2 of the NTP threshold */
static u32 __read_mostly tsc_tolerance_ppm = 250;
-module_param(tsc_tolerance_ppm, uint, S_IRUGO | S_IWUSR);
+module_param(tsc_tolerance_ppm, uint, 0644);
/*
* lapic timer advance (tscdeadline mode only) in nanoseconds. '-1' enables
@@ -168,13 +168,13 @@ module_param(tsc_tolerance_ppm, uint, S_IRUGO | S_IWUSR);
* tuning, i.e. allows privileged userspace to set an exact advancement time.
*/
static int __read_mostly lapic_timer_advance_ns = -1;
-module_param(lapic_timer_advance_ns, int, S_IRUGO | S_IWUSR);
+module_param(lapic_timer_advance_ns, int, 0644);
static bool __read_mostly vector_hashing = true;
-module_param(vector_hashing, bool, S_IRUGO);
+module_param(vector_hashing, bool, 0444);
bool __read_mostly enable_vmware_backdoor = false;
-module_param(enable_vmware_backdoor, bool, S_IRUGO);
+module_param(enable_vmware_backdoor, bool, 0444);
EXPORT_SYMBOL_GPL(enable_vmware_backdoor);
/*
@@ -186,7 +186,7 @@ static int __read_mostly force_emulation_prefix;
module_param(force_emulation_prefix, int, 0644);
int __read_mostly pi_inject_timer = -1;
-module_param(pi_inject_timer, bint, S_IRUGO | S_IWUSR);
+module_param(pi_inject_timer, bint, 0644);
/* Enable/disable PMU virtualization */
bool __read_mostly enable_pmu = true;
--
2.31.1
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