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Groups > linux.kernel > #1734616

[PATCH v2 2/8] x86/head: Remove confusing comment

From Josh Poimboeuf <jpoimboe@redhat.com>
Newsgroups linux.kernel
Subject [PATCH v2 2/8] x86/head: Remove confusing comment
Date 2017-09-19 04:50 +0200
Message-ID <urgLL-6I2-17@gated-at.bofh.it> (permalink)
References <urgLL-6I2-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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This comment is actively wrong and confusing.  It refers to the
registers' stack offsets after the pt_regs has been constructed on the
stack, but this code is *before* that.

At this point the stack just has the standard iret frame, for which no
comment should be needed.

Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
---
 arch/x86/kernel/head_64.S | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S
index 513cbb012ecc..3b04e4c99389 100644
--- a/arch/x86/kernel/head_64.S
+++ b/arch/x86/kernel/head_64.S
@@ -270,10 +270,6 @@ bad_address:
 
 	__INIT
 ENTRY(early_idt_handler_array)
-	# 104(%rsp) %rflags
-	#  96(%rsp) %cs
-	#  88(%rsp) %rip
-	#  80(%rsp) error code
 	i = 0
 	.rept NUM_EXCEPTION_VECTORS
 	.ifeq (EXCEPTION_ERRCODE_MASK >> i) & 1
-- 
2.13.5

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Thread

[PATCH v2 0/8] x86/asm: Add unwind hint annotations to head code Josh Poimboeuf <jpoimboe@redhat.com> - 2017-09-19 04:50 +0200
  [PATCH v2 8/8] x86/head: Add unwind hint annotations Josh Poimboeuf <jpoimboe@redhat.com> - 2017-09-19 04:50 +0200
  [PATCH v2 2/8] x86/head: Remove confusing comment Josh Poimboeuf <jpoimboe@redhat.com> - 2017-09-19 04:50 +0200
  [PATCH v2 3/8] x86/head: Remove unused 'bad_address' code Josh Poimboeuf <jpoimboe@redhat.com> - 2017-09-19 04:50 +0200

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