[merged] kasan-merge-__kasan_report-into-kasan_report.patch removed from -mm tree

[merged] kasan-merge-__kasan_report-into-kasan_report.patch removed from -mm tree

[Andrew Morton]

The patch titled
     Subject: kasan: merge __kasan_report into kasan_report
has been removed from the -mm tree.  Its filename was
     kasan-merge-__kasan_report-into-kasan_report.patch

This patch was dropped because it was merged into mainline or a subsystem tree

------------------------------------------------------
From: Andrey Konovalov <andreyknvl@google.com>
Subject: kasan: merge __kasan_report into kasan_report

Merge __kasan_report() into kasan_report().  The code is simple enough to
be readable without the __kasan_report() helper.

Link: https://lkml.kernel.org/r/c8a125497ef82f7042b3795918dffb81a85a878e.1646237226.git.andreyknvl@google.com
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Marco Elver <elver@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/kasan/report.c |   36 +++++++++++++++---------------------
 1 file changed, 15 insertions(+), 21 deletions(-)

--- a/mm/kasan/report.c~kasan-merge-__kasan_report-into-kasan_report
+++ a/mm/kasan/report.c
@@ -435,37 +435,31 @@ static void print_report(struct kasan_ac
 	}
 }
 
-static void __kasan_report(void *addr, size_t size, bool is_write,
-				unsigned long ip)
-{
-	struct kasan_access_info info;
-	unsigned long flags;
-
-	start_report(&flags, true);
-
-	info.access_addr = addr;
-	info.first_bad_addr = kasan_find_first_bad_addr(addr, size);
-	info.access_size = size;
-	info.is_write = is_write;
-	info.ip = ip;
-
-	print_report(&info);
-
-	end_report(&flags, addr);
-}
-
 bool kasan_report(unsigned long addr, size_t size, bool is_write,
 			unsigned long ip)
 {
-	unsigned long ua_flags = user_access_save();
 	bool ret = true;
+	void *ptr = (void *)addr;
+	unsigned long ua_flags = user_access_save();
+	unsigned long irq_flags;
+	struct kasan_access_info info;
 
 	if (unlikely(!report_enabled())) {
 		ret = false;
 		goto out;
 	}
 
-	__kasan_report((void *)addr, size, is_write, ip);
+	start_report(&irq_flags, true);
+
+	info.access_addr = ptr;
+	info.first_bad_addr = kasan_find_first_bad_addr(ptr, size);
+	info.access_size = size;
+	info.is_write = is_write;
+	info.ip = ip;
+
+	print_report(&info);
+
+	end_report(&irq_flags, ptr);
 
 out:
 	user_access_restore(ua_flags);
_

Patches currently in -mm which might be from andreyknvl@google.com are

stacktrace-add-interface-based-on-shadow-call-stack.patch
arm64-scs-save-scs_sp-values-per-cpu-when-switching-stacks.patch
arm64-implement-stack_trace_save_shadow.patch
kasan-use-stack_trace_save_shadow.patch