linux-kernel - [PATCH 08/49] x86/alternatives: Rename 'bp_desc' to 'int3

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Message-ID: <20250328132704.1901674-9-mingo@kernel.org>
Date: Fri, 28 Mar 2025 14:26:23 +0100
From: Ingo Molnar <mingo@...nel.org>
To: linux-kernel@...r.kernel.org
Cc: Juergen Gross <jgross@...e.com>,
	"H . Peter Anvin" <hpa@...or.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Borislav Petkov <bp@...en8.de>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...nel.org>
Subject: [PATCH 08/49] x86/alternatives: Rename 'bp_desc' to 'int3_desc'

Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/x86/kernel/alternative.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
index e26fa6d9f133..4aa407af8648 100644
--- a/arch/x86/kernel/alternative.c
+++ b/arch/x86/kernel/alternative.c
@@ -2478,7 +2478,7 @@ struct int3_patching_desc {
 
 static DEFINE_PER_CPU(atomic_t, int3_refs);
 
-static struct int3_patching_desc bp_desc;
+static struct int3_patching_desc int3_desc;
 
 static __always_inline
 struct int3_patching_desc *try_get_desc(void)
@@ -2488,7 +2488,7 @@ struct int3_patching_desc *try_get_desc(void)
 	if (!raw_atomic_inc_not_zero(refs))
 		return NULL;
 
-	return &bp_desc;
+	return &int3_desc;
 }
 
 static __always_inline void put_desc(void)
@@ -2527,7 +2527,7 @@ noinstr int smp_text_poke_int3_trap_handler(struct pt_regs *regs)
 
 	/*
 	 * Having observed our INT3 instruction, we now must observe
-	 * bp_desc with non-zero refcount:
+	 * int3_desc with non-zero refcount:
 	 *
 	 *	int3_refs = 1		INT3
 	 *	WMB			RMB
@@ -2630,12 +2630,12 @@ static void smp_text_poke_batch_process(struct text_poke_loc *tp, unsigned int n
 
 	lockdep_assert_held(&text_mutex);
 
-	bp_desc.vec = tp;
-	bp_desc.nr_entries = nr_entries;
+	int3_desc.vec = tp;
+	int3_desc.nr_entries = nr_entries;
 
 	/*
 	 * Corresponds to the implicit memory barrier in try_get_desc() to
-	 * ensure reading a non-zero refcount provides up to date bp_desc data.
+	 * ensure reading a non-zero refcount provides up to date int3_desc data.
 	 */
 	for_each_possible_cpu(i)
 		atomic_set_release(per_cpu_ptr(&int3_refs, i), 1);
-- 
2.45.2