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| author | Thomas Gleixner <tglx@linutronix.de> | 2019-04-14 18:00:00 +0200 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2019-04-17 15:21:21 +0200 |
| commit | 231c4846b106d526fa212b02b37447d3f2fcc99d (patch) | |
| tree | ff18e6d05f5a79a699d1db046c044bb1a74fde39 /arch/x86/include | |
| parent | x86/irq/32: Define IRQ_STACK_SIZE (diff) | |
| download | linux-231c4846b106d526fa212b02b37447d3f2fcc99d.tar.xz linux-231c4846b106d526fa212b02b37447d3f2fcc99d.zip | |
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 <tglx@linutronix.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Pingfan Liu <kernelfans@gmail.com>
Cc: Pu Wen <puwen@hygon.cn>
Cc: Sean Christopherson <sean.j.christopherson@intel.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: x86-ml <x86@kernel.org>
Link: https://lkml.kernel.org/r/20190414160145.736241969@linutronix.de
Diffstat (limited to 'arch/x86/include')
| -rw-r--r-- | arch/x86/include/asm/processor.h | 2 |
1 files changed, 1 insertions, 1 deletions
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); |