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Reply-To: Sean Christopherson <seanjc@google.com>
Date:   Thu, 10 Nov 2022 20:35:02 +0000
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Subject: [PATCH v2 3/5] x86/kasan: Rename local CPU_ENTRY_AREA variables to
 shorten names
From:   Sean Christopherson <seanjc@google.com>
To:     Dave Hansen <dave.hansen@linux.intel.com>,
        Andy Lutomirski <luto@kernel.org>,
        Peter Zijlstra <peterz@infradead.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
        x86@kernel.org, Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc:     "H. Peter Anvin" <hpa@zytor.com>,
        Alexander Potapenko <glider@google.com>,
        Andrey Konovalov <andreyknvl@gmail.com>,
        Dmitry Vyukov <dvyukov@google.com>,
        Vincenzo Frascino <vincenzo.frascino@arm.com>,
        linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com,
        Sean Christopherson <seanjc@google.com>,
        syzbot+ffb4f000dc2872c93f62@syzkaller.appspotmail.com,
        syzbot+8cdd16fd5a6c0565e227@syzkaller.appspotmail.com
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Precedence: bulk

Rename the CPU entry area variables in kasan_init() to shorten their
names, a future fix will reference the beginning of the per-CPU portion
of the CPU entry area, and shadow_cpu_entry_per_cpu_begin is a bit much.

No functional change intended.

Signed-off-by: Sean Christopherson <seanjc@google.com>
---
 arch/x86/mm/kasan_init_64.c | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/arch/x86/mm/kasan_init_64.c b/arch/x86/mm/kasan_init_64.c
index d1416926ad52..ad7872ae10ed 100644
--- a/arch/x86/mm/kasan_init_64.c
+++ b/arch/x86/mm/kasan_init_64.c
@@ -331,7 +331,7 @@ void __init kasan_populate_shadow_for_vaddr(void *va, size_t size, int nid)
 void __init kasan_init(void)
 {
 	int i;
-	void *shadow_cpu_entry_begin, *shadow_cpu_entry_end;
+	void *shadow_cea_begin, *shadow_cea_end;
 
 	memcpy(early_top_pgt, init_top_pgt, sizeof(early_top_pgt));
 
@@ -372,16 +372,16 @@ void __init kasan_init(void)
 		map_range(&pfn_mapped[i]);
 	}
 
-	shadow_cpu_entry_begin = (void *)CPU_ENTRY_AREA_BASE;
-	shadow_cpu_entry_begin = kasan_mem_to_shadow(shadow_cpu_entry_begin);
-	shadow_cpu_entry_begin = (void *)round_down(
-			(unsigned long)shadow_cpu_entry_begin, PAGE_SIZE);
+	shadow_cea_begin = (void *)CPU_ENTRY_AREA_BASE;
+	shadow_cea_begin = kasan_mem_to_shadow(shadow_cea_begin);
+	shadow_cea_begin = (void *)round_down(
+			(unsigned long)shadow_cea_begin, PAGE_SIZE);
 
-	shadow_cpu_entry_end = (void *)(CPU_ENTRY_AREA_BASE +
+	shadow_cea_end = (void *)(CPU_ENTRY_AREA_BASE +
 					CPU_ENTRY_AREA_MAP_SIZE);
-	shadow_cpu_entry_end = kasan_mem_to_shadow(shadow_cpu_entry_end);
-	shadow_cpu_entry_end = (void *)round_up(
-			(unsigned long)shadow_cpu_entry_end, PAGE_SIZE);
+	shadow_cea_end = kasan_mem_to_shadow(shadow_cea_end);
+	shadow_cea_end = (void *)round_up(
+			(unsigned long)shadow_cea_end, PAGE_SIZE);
 
 	kasan_populate_early_shadow(
 		kasan_mem_to_shadow((void *)PAGE_OFFSET + MAXMEM),
@@ -403,9 +403,9 @@ void __init kasan_init(void)
 
 	kasan_populate_early_shadow(
 		kasan_mem_to_shadow((void *)VMALLOC_END + 1),
-		shadow_cpu_entry_begin);
+		shadow_cea_begin);
 
-	kasan_populate_early_shadow(shadow_cpu_entry_end,
+	kasan_populate_early_shadow(shadow_cea_end,
 			kasan_mem_to_shadow((void *)__START_KERNEL_map));
 
 	kasan_populate_shadow((unsigned long)kasan_mem_to_shadow(_stext),
-- 
2.38.1.431.g37b22c650d-goog