TO: Jan Beulich <[email protected]>
CC: Thomas Gleixner <[email protected]>
tree: git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: ebc7163fafb29c390519378897c201748acc2756
commit: 8c66877ee65ec4e6974e9aa69bc53abe4a603f10 [3753/6262] x86: Avoid
building unused IRQ entry stubs
:::::: branch date: 16 hours ago
:::::: commit date: 8 days ago
arch/x86/lguest/boot.c:848 lguest_init_IRQ() error: buffer overflow 'interrupt'
207 <= 223
arch/x86/lguest/boot.c:848 lguest_init_IRQ() error: buffer overflow 'interrupt'
207 <= 223
git remote add next
git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git remote update next
git checkout 8c66877ee65ec4e6974e9aa69bc53abe4a603f10
vim +/interrupt +848 arch/x86/lguest/boot.c
07ad157f drivers/lguest/lguest.c Rusty Russell 2007-07-19 832 };
07ad157f drivers/lguest/lguest.c Rusty Russell 2007-07-19 833
2e04ef76 arch/x86/lguest/boot.c Rusty Russell 2009-07-30 834 /*
2e04ef76 arch/x86/lguest/boot.c Rusty Russell 2009-07-30 835 * This sets up
the Interrupt Descriptor Table (IDT) entry for each hardware
b2b47c21 drivers/lguest/lguest.c Rusty Russell 2007-07-26 836 * interrupt
(except 128, which is used for system calls), and then tells the
b2b47c21 drivers/lguest/lguest.c Rusty Russell 2007-07-26 837 * Linux
infrastructure that each interrupt is controlled by our level-based
2e04ef76 arch/x86/lguest/boot.c Rusty Russell 2009-07-30 838 * lguest
interrupt controller.
2e04ef76 arch/x86/lguest/boot.c Rusty Russell 2009-07-30 839 */
07ad157f drivers/lguest/lguest.c Rusty Russell 2007-07-19 840 static void
__init lguest_init_IRQ(void)
07ad157f drivers/lguest/lguest.c Rusty Russell 2007-07-19 841 {
07ad157f drivers/lguest/lguest.c Rusty Russell 2007-07-19 842
unsigned int i;
07ad157f drivers/lguest/lguest.c Rusty Russell 2007-07-19 843
1028375e arch/x86/lguest/boot.c Rusty Russell 2009-06-12 844 for (i
= FIRST_EXTERNAL_VECTOR; i < NR_VECTORS; i++) {
2e04ef76 arch/x86/lguest/boot.c Rusty Russell 2009-07-30 845
/* Some systems map "vectors" to interrupts weirdly. Not us! */
ced05dd7 arch/x86/lguest/boot.c Rusty Russell 2011-01-20 846
__this_cpu_write(vector_irq[i], i - FIRST_EXTERNAL_VECTOR);
1028375e arch/x86/lguest/boot.c Rusty Russell 2009-06-12 847
if (i != SYSCALL_VECTOR)
1028375e arch/x86/lguest/boot.c Rusty Russell 2009-06-12 @848
set_intr_gate(i, interrupt[i - FIRST_EXTERNAL_VECTOR]);
07ad157f drivers/lguest/lguest.c Rusty Russell 2007-07-19 849 }
2e04ef76 arch/x86/lguest/boot.c Rusty Russell 2009-07-30 850
2e04ef76 arch/x86/lguest/boot.c Rusty Russell 2009-07-30 851 /*
2e04ef76 arch/x86/lguest/boot.c Rusty Russell 2009-07-30 852 * This
call is required to set up for 4k stacks, where we have
2e04ef76 arch/x86/lguest/boot.c Rusty Russell 2009-07-30 853 *
separate stacks for hard and soft interrupts.
2e04ef76 arch/x86/lguest/boot.c Rusty Russell 2009-07-30 854 */
07ad157f drivers/lguest/lguest.c Rusty Russell 2007-07-19 855
irq_ctx_init(smp_processor_id());
07ad157f drivers/lguest/lguest.c Rusty Russell 2007-07-19 856 }
:::::: The code at line 848 was first introduced by commit
:::::: 1028375e93a7aa4dbe466947d1c65f368b1f61c1 lguest: clean up lguest_init_IRQ
:::::: TO: Rusty Russell <[email protected]>
:::::: CC: Rusty Russell <[email protected]>
---
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