From: Helge Deller <deller@gmx.de>
Date: Thu, 17 Aug 2023 21:45:01 +0000 (+0200)
Subject: parisc: Fix comment on Elf64 function descriptor
X-Git-Tag: v6.6.17~4096^2~21
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6b3cba375917494d5905c9b9c1ea2acdf73922e8;p=platform%2Fkernel%2Flinux-rpi.git

parisc: Fix comment on Elf64 function descriptor

The format of the Elf64 function descriptor is defined by the ABI.
Mention the various use cases in the comment.

Signed-off-by: Helge Deller <deller@gmx.de>
---

diff --git a/arch/parisc/include/asm/elf.h b/arch/parisc/include/asm/elf.h
index cc426d3..140eaa9 100644
--- a/arch/parisc/include/asm/elf.h
+++ b/arch/parisc/include/asm/elf.h
@@ -163,8 +163,7 @@ typedef struct elf32_fdesc {
 
 /* Format for the Elf64 Function descriptor */
 typedef struct elf64_fdesc {
-	__u64	dummy[2]; /* FIXME: nothing uses these, why waste
-			   * the space */
+	__u64	dummy[2]; /* used by 64-bit eBPF and tracing functions */
 	__u64	addr;
 	__u64	gp;
 } Elf64_Fdesc;