* drivers/irqchip/irq-gic.c:822 gic_ipi_send_mask() error: uninitialized symbol 'flags'.
@ 2021-08-14 20:48 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2021-08-14 20:48 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 4308 bytes --]
CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Marc Zyngier <maz@kernel.org>
CC: Valentin Schneider <valentin.schneider@arm.com>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: ba31f97d43be41ca99ab72a6131d7c226306865f
commit: 64a267e9a41c5a91efdfa5bf55bd2509cb4f7170 irqchip/gic: Configure SGIs as standard interrupts
date: 11 months ago
:::::: branch date: 4 hours ago
:::::: commit date: 11 months ago
config: arm64-randconfig-m031-20210814 (attached as .config)
compiler: aarch64-linux-gcc (GCC) 11.2.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
smatch warnings:
drivers/irqchip/irq-gic.c:822 gic_ipi_send_mask() error: uninitialized symbol 'flags'.
vim +/flags +822 drivers/irqchip/irq-gic.c
7ec46b51946785 drivers/irqchip/irq-gic.c Marc Zyngier 2020-04-25 809
64a267e9a41c5a drivers/irqchip/irq-gic.c Marc Zyngier 2020-04-25 810 static void gic_ipi_send_mask(struct irq_data *d, const struct cpumask *mask)
b1cffebf1029c8 arch/arm/common/gic.c Rob Herring 2012-11-26 811 {
b1cffebf1029c8 arch/arm/common/gic.c Rob Herring 2012-11-26 812 int cpu;
1a6b69b6548cd0 drivers/irqchip/irq-gic.c Nicolas Pitre 2012-04-12 813 unsigned long flags, map = 0;
1a6b69b6548cd0 drivers/irqchip/irq-gic.c Nicolas Pitre 2012-04-12 814
059e232089e45b drivers/irqchip/irq-gic.c Marc Zyngier 2016-08-09 815 if (unlikely(nr_cpu_ids == 1)) {
059e232089e45b drivers/irqchip/irq-gic.c Marc Zyngier 2016-08-09 816 /* Only one CPU? let's do a self-IPI... */
64a267e9a41c5a drivers/irqchip/irq-gic.c Marc Zyngier 2020-04-25 817 writel_relaxed(2 << 24 | d->hwirq,
059e232089e45b drivers/irqchip/irq-gic.c Marc Zyngier 2016-08-09 818 gic_data_dist_base(&gic_data[0]) + GIC_DIST_SOFTINT);
059e232089e45b drivers/irqchip/irq-gic.c Marc Zyngier 2016-08-09 819 return;
059e232089e45b drivers/irqchip/irq-gic.c Marc Zyngier 2016-08-09 820 }
059e232089e45b drivers/irqchip/irq-gic.c Marc Zyngier 2016-08-09 821
04c8b0f82c7d5a drivers/irqchip/irq-gic.c Marc Zyngier 2016-06-27 @822 gic_lock_irqsave(flags);
b1cffebf1029c8 arch/arm/common/gic.c Rob Herring 2012-11-26 823
b1cffebf1029c8 arch/arm/common/gic.c Rob Herring 2012-11-26 824 /* Convert our logical CPU mask into a physical one. */
b1cffebf1029c8 arch/arm/common/gic.c Rob Herring 2012-11-26 825 for_each_cpu(cpu, mask)
91bdf0d0c48c92 drivers/irqchip/irq-gic.c Javi Merino 2013-02-19 826 map |= gic_cpu_map[cpu];
b1cffebf1029c8 arch/arm/common/gic.c Rob Herring 2012-11-26 827
b1cffebf1029c8 arch/arm/common/gic.c Rob Herring 2012-11-26 828 /*
b1cffebf1029c8 arch/arm/common/gic.c Rob Herring 2012-11-26 829 * Ensure that stores to Normal memory are visible to the
8adbf57fc42945 drivers/irqchip/irq-gic.c Will Deacon 2014-02-20 830 * other CPUs before they observe us issuing the IPI.
b1cffebf1029c8 arch/arm/common/gic.c Rob Herring 2012-11-26 831 */
8adbf57fc42945 drivers/irqchip/irq-gic.c Will Deacon 2014-02-20 832 dmb(ishst);
b1cffebf1029c8 arch/arm/common/gic.c Rob Herring 2012-11-26 833
b1cffebf1029c8 arch/arm/common/gic.c Rob Herring 2012-11-26 834 /* this always happens on GIC0 */
64a267e9a41c5a drivers/irqchip/irq-gic.c Marc Zyngier 2020-04-25 835 writel_relaxed(map << 16 | d->hwirq, gic_data_dist_base(&gic_data[0]) + GIC_DIST_SOFTINT);
1a6b69b6548cd0 drivers/irqchip/irq-gic.c Nicolas Pitre 2012-04-12 836
04c8b0f82c7d5a drivers/irqchip/irq-gic.c Marc Zyngier 2016-06-27 837 gic_unlock_irqrestore(flags);
1a6b69b6548cd0 drivers/irqchip/irq-gic.c Nicolas Pitre 2012-04-12 838 }
7ec46b51946785 drivers/irqchip/irq-gic.c Marc Zyngier 2020-04-25 839
:::::: The code at line 822 was first introduced by commit
:::::: 04c8b0f82c7d5a9a1c296eef914ae3bb820bcb85 irqchip/gic: Make locking a BL_SWITCHER only feature
:::::: TO: Marc Zyngier <marc.zyngier@arm.com>
:::::: CC: Marc Zyngier <marc.zyngier@arm.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 40439 bytes --]
^ permalink raw reply [flat|nested] 2+ messages in thread
* drivers/irqchip/irq-gic.c:822 gic_ipi_send_mask() error: uninitialized symbol 'flags'.
@ 2021-07-01 6:39 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2021-07-01 6:39 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 4307 bytes --]
CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Marc Zyngier <maz@kernel.org>
CC: Valentin Schneider <valentin.schneider@arm.com>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: dbe69e43372212527abf48609aba7fc39a6daa27
commit: 64a267e9a41c5a91efdfa5bf55bd2509cb4f7170 irqchip/gic: Configure SGIs as standard interrupts
date: 10 months ago
:::::: branch date: 8 hours ago
:::::: commit date: 10 months ago
config: arm64-randconfig-m031-20210630 (attached as .config)
compiler: aarch64-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
smatch warnings:
drivers/irqchip/irq-gic.c:822 gic_ipi_send_mask() error: uninitialized symbol 'flags'.
vim +/flags +822 drivers/irqchip/irq-gic.c
7ec46b51946785 drivers/irqchip/irq-gic.c Marc Zyngier 2020-04-25 809
64a267e9a41c5a drivers/irqchip/irq-gic.c Marc Zyngier 2020-04-25 810 static void gic_ipi_send_mask(struct irq_data *d, const struct cpumask *mask)
b1cffebf1029c8 arch/arm/common/gic.c Rob Herring 2012-11-26 811 {
b1cffebf1029c8 arch/arm/common/gic.c Rob Herring 2012-11-26 812 int cpu;
1a6b69b6548cd0 drivers/irqchip/irq-gic.c Nicolas Pitre 2012-04-12 813 unsigned long flags, map = 0;
1a6b69b6548cd0 drivers/irqchip/irq-gic.c Nicolas Pitre 2012-04-12 814
059e232089e45b drivers/irqchip/irq-gic.c Marc Zyngier 2016-08-09 815 if (unlikely(nr_cpu_ids == 1)) {
059e232089e45b drivers/irqchip/irq-gic.c Marc Zyngier 2016-08-09 816 /* Only one CPU? let's do a self-IPI... */
64a267e9a41c5a drivers/irqchip/irq-gic.c Marc Zyngier 2020-04-25 817 writel_relaxed(2 << 24 | d->hwirq,
059e232089e45b drivers/irqchip/irq-gic.c Marc Zyngier 2016-08-09 818 gic_data_dist_base(&gic_data[0]) + GIC_DIST_SOFTINT);
059e232089e45b drivers/irqchip/irq-gic.c Marc Zyngier 2016-08-09 819 return;
059e232089e45b drivers/irqchip/irq-gic.c Marc Zyngier 2016-08-09 820 }
059e232089e45b drivers/irqchip/irq-gic.c Marc Zyngier 2016-08-09 821
04c8b0f82c7d5a drivers/irqchip/irq-gic.c Marc Zyngier 2016-06-27 @822 gic_lock_irqsave(flags);
b1cffebf1029c8 arch/arm/common/gic.c Rob Herring 2012-11-26 823
b1cffebf1029c8 arch/arm/common/gic.c Rob Herring 2012-11-26 824 /* Convert our logical CPU mask into a physical one. */
b1cffebf1029c8 arch/arm/common/gic.c Rob Herring 2012-11-26 825 for_each_cpu(cpu, mask)
91bdf0d0c48c92 drivers/irqchip/irq-gic.c Javi Merino 2013-02-19 826 map |= gic_cpu_map[cpu];
b1cffebf1029c8 arch/arm/common/gic.c Rob Herring 2012-11-26 827
b1cffebf1029c8 arch/arm/common/gic.c Rob Herring 2012-11-26 828 /*
b1cffebf1029c8 arch/arm/common/gic.c Rob Herring 2012-11-26 829 * Ensure that stores to Normal memory are visible to the
8adbf57fc42945 drivers/irqchip/irq-gic.c Will Deacon 2014-02-20 830 * other CPUs before they observe us issuing the IPI.
b1cffebf1029c8 arch/arm/common/gic.c Rob Herring 2012-11-26 831 */
8adbf57fc42945 drivers/irqchip/irq-gic.c Will Deacon 2014-02-20 832 dmb(ishst);
b1cffebf1029c8 arch/arm/common/gic.c Rob Herring 2012-11-26 833
b1cffebf1029c8 arch/arm/common/gic.c Rob Herring 2012-11-26 834 /* this always happens on GIC0 */
64a267e9a41c5a drivers/irqchip/irq-gic.c Marc Zyngier 2020-04-25 835 writel_relaxed(map << 16 | d->hwirq, gic_data_dist_base(&gic_data[0]) + GIC_DIST_SOFTINT);
1a6b69b6548cd0 drivers/irqchip/irq-gic.c Nicolas Pitre 2012-04-12 836
04c8b0f82c7d5a drivers/irqchip/irq-gic.c Marc Zyngier 2016-06-27 837 gic_unlock_irqrestore(flags);
1a6b69b6548cd0 drivers/irqchip/irq-gic.c Nicolas Pitre 2012-04-12 838 }
7ec46b51946785 drivers/irqchip/irq-gic.c Marc Zyngier 2020-04-25 839
:::::: The code at line 822 was first introduced by commit
:::::: 04c8b0f82c7d5a9a1c296eef914ae3bb820bcb85 irqchip/gic: Make locking a BL_SWITCHER only feature
:::::: TO: Marc Zyngier <marc.zyngier@arm.com>
:::::: CC: Marc Zyngier <marc.zyngier@arm.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 27427 bytes --]
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