summaryrefslogtreecommitdiff
path: root/arch/x86/include/asm/processor.h
diff options
context:
space:
mode:
authorThomas Gleixner <tglx@linutronix.de>2019-04-14 17:59:59 +0200
committerBorislav Petkov <bp@suse.de>2019-04-17 15:18:36 +0200
commitaa641c287b2f7676f6f0064a8351daf08eca6b0a (patch)
tree555282f606403a4d3f3c314d0c0924c4824097ea /arch/x86/include/asm/processor.h
parentc450c8f532b63475b30e29bc600c25ab0a4ab282 (diff)
x86/irq/32: Define IRQ_STACK_SIZE
On 32-bit IRQ_STACK_SIZE is the same as THREAD_SIZE. To allow sharing struct irq_stack with 32-bit, define IRQ_STACK_SIZE for 32-bit and use it for struct irq_stack. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Borislav Petkov <bp@suse.de> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andy Lutomirski <luto@kernel.org> Cc: Dave Hansen <dave.hansen@intel.com> 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: Juergen Gross <jgross@suse.com> Cc: Michal Hocko <mhocko@suse.com> Cc: Nick Desaulniers <ndesaulniers@google.com> Cc: Sean Christopherson <sean.j.christopherson@intel.com> Cc: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: x86-ml <x86@kernel.org> Link: https://lkml.kernel.org/r/20190414160145.632513987@linutronix.de
Diffstat (limited to 'arch/x86/include/asm/processor.h')
-rw-r--r--arch/x86/include/asm/processor.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index 8fcfcd1a8375..8b4bf732e1b5 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -422,8 +422,8 @@ DECLARE_PER_CPU_ALIGNED(struct stack_canary, stack_canary);
* per-CPU IRQ handling stacks
*/
struct irq_stack {
- u32 stack[THREAD_SIZE/sizeof(u32)];
-} __aligned(THREAD_SIZE);
+ u32 stack[IRQ_STACK_SIZE / sizeof(u32)];
+} __aligned(IRQ_STACK_SIZE);
DECLARE_PER_CPU(struct irq_stack *, hardirq_stack);
DECLARE_PER_CPU(struct irq_stack *, softirq_stack);