Commit-ID: 231c4846b106d526fa212b02b37447d3f2fcc99d Gitweb: https://git.kernel.org/tip/231c4846b106d526fa212b02b37447d3f2fcc99d Author: Thomas Gleixner <[email protected]> AuthorDate: Sun, 14 Apr 2019 18:00:00 +0200 Committer: Borislav Petkov <[email protected]> CommitDate: Wed, 17 Apr 2019 15:21:21 +0200
x86/irq/32: Make irq stack a character array There is no reason to have an u32 array in struct irq_stack. The only purpose of the array is to size the struct properly. Preparatory change for sharing struct irq_stack with 64-bit. Signed-off-by: Thomas Gleixner <[email protected]> Signed-off-by: Borislav Petkov <[email protected]> Cc: Alexey Dobriyan <[email protected]> Cc: Andrew Morton <[email protected]> Cc: Andy Lutomirski <[email protected]> Cc: "H. Peter Anvin" <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Jiri Kosina <[email protected]> Cc: Josh Poimboeuf <[email protected]> Cc: Nick Desaulniers <[email protected]> Cc: Pingfan Liu <[email protected]> Cc: Pu Wen <[email protected]> Cc: Sean Christopherson <[email protected]> Cc: Vlastimil Babka <[email protected]> Cc: x86-ml <[email protected]> Link: https://lkml.kernel.org/r/[email protected] --- arch/x86/include/asm/processor.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index 8b4bf732e1b5..ff3f469ab2d4 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -422,7 +422,7 @@ DECLARE_PER_CPU_ALIGNED(struct stack_canary, stack_canary); * per-CPU IRQ handling stacks */ struct irq_stack { - u32 stack[IRQ_STACK_SIZE / sizeof(u32)]; + char stack[IRQ_STACK_SIZE]; } __aligned(IRQ_STACK_SIZE); DECLARE_PER_CPU(struct irq_stack *, hardirq_stack);
