From: Sohil Mehta Date: Mon, 12 Aug 2024 21:43:18 +0000 (+0000) Subject: x86/irq: Fix comment on IRQ vector layout X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=a1fab3e69d9d0e9b62aab4450cb97da432ac3ef2;p=users%2Fdwmw2%2Flinux.git x86/irq: Fix comment on IRQ vector layout commit f5a3562ec9dd ("x86/irq: Reserve a per CPU IDT vector for posted MSIs") changed the first system vector from LOCAL_TIMER_VECTOR to POSTED_MSI_NOTIFICATION_VECTOR. Reflect this change in the vector layout comment as well. However, instead of pointing to the specific vector, use the FIRST_SYSTEM_VECTOR indirection which essentially refers to the same. This avoids unnecessary modifications to the same comment whenever additional system vectors get added. Signed-off-by: Sohil Mehta Signed-off-by: Thomas Gleixner Reviewed-by: Jacob Pan Link: https://lore.kernel.org/all/20240812214318.2715360-1-sohil.mehta@intel.com --- diff --git a/arch/x86/include/asm/irq_vectors.h b/arch/x86/include/asm/irq_vectors.h index 13aea8fc3d45f..47051871b4361 100644 --- a/arch/x86/include/asm/irq_vectors.h +++ b/arch/x86/include/asm/irq_vectors.h @@ -18,8 +18,8 @@ * Vectors 0 ... 31 : system traps and exceptions - hardcoded events * Vectors 32 ... 127 : device interrupts * Vector 128 : legacy int80 syscall interface - * Vectors 129 ... LOCAL_TIMER_VECTOR-1 - * Vectors LOCAL_TIMER_VECTOR ... 255 : special interrupts + * Vectors 129 ... FIRST_SYSTEM_VECTOR-1 : device interrupts + * Vectors FIRST_SYSTEM_VECTOR ... 255 : special interrupts * * 64-bit x86 has per CPU IDT tables, 32-bit has one shared IDT table. *