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Groups > linux.kernel > #1642168
| From | Joonsoo Kim <js1304@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH(RE-RESEND) v1 01/11] mm/kasan: rename _is_zero to _is_nonzero |
| Date | 2017-05-16 03:30 +0200 |
| Message-ID | <tHztg-7kZ-3@gated-at.bofh.it> (permalink) |
| References | <tHzjz-7hu-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Sorry for a noise.
Failure is due to suspicious subject.
Change it and resend.
---------------------->8-------------------
From 989d7b079c1fd0b934d98d738cbecf7a56f8c6e6 Mon Sep 17 00:00:00 2001
From: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Date: Fri, 3 Feb 2017 12:52:13 +0900
Subject: [PATCH v1 01/11] mm/kasan: rename _is_zero to _is_nonzero
They return positive value, that is, true, if non-zero value
is found. Rename them to reduce confusion.
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
---
mm/kasan/kasan.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/mm/kasan/kasan.c b/mm/kasan/kasan.c
index c81549d..85ee45b0 100644
--- a/mm/kasan/kasan.c
+++ b/mm/kasan/kasan.c
@@ -224,7 +224,7 @@ static __always_inline bool memory_is_poisoned_16(unsigned long addr)
return false;
}
-static __always_inline unsigned long bytes_is_zero(const u8 *start,
+static __always_inline unsigned long bytes_is_nonzero(const u8 *start,
size_t size)
{
while (size) {
@@ -237,7 +237,7 @@ static __always_inline unsigned long bytes_is_zero(const u8 *start,
return 0;
}
-static __always_inline unsigned long memory_is_zero(const void *start,
+static __always_inline unsigned long memory_is_nonzero(const void *start,
const void *end)
{
unsigned int words;
@@ -245,11 +245,11 @@ static __always_inline unsigned long memory_is_zero(const void *start,
unsigned int prefix = (unsigned long)start % 8;
if (end - start <= 16)
- return bytes_is_zero(start, end - start);
+ return bytes_is_nonzero(start, end - start);
if (prefix) {
prefix = 8 - prefix;
- ret = bytes_is_zero(start, prefix);
+ ret = bytes_is_nonzero(start, prefix);
if (unlikely(ret))
return ret;
start += prefix;
@@ -258,12 +258,12 @@ static __always_inline unsigned long memory_is_zero(const void *start,
words = (end - start) / 8;
while (words) {
if (unlikely(*(u64 *)start))
- return bytes_is_zero(start, 8);
+ return bytes_is_nonzero(start, 8);
start += 8;
words--;
}
- return bytes_is_zero(start, (end - start) % 8);
+ return bytes_is_nonzero(start, (end - start) % 8);
}
static __always_inline bool memory_is_poisoned_n(unsigned long addr,
@@ -271,7 +271,7 @@ static __always_inline bool memory_is_poisoned_n(unsigned long addr,
{
unsigned long ret;
- ret = memory_is_zero(kasan_mem_to_shadow((void *)addr),
+ ret = memory_is_nonzero(kasan_mem_to_shadow((void *)addr),
kasan_mem_to_shadow((void *)addr + size - 1) + 1);
if (unlikely(ret)) {
--
2.7.4
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[PATCH v1 00/11] mm/kasan: support per-page shadow memory to reduce memory consumption js1304@gmail.com - 2017-05-16 03:20 +0200
[PATCH v1 09/11] x86/kasan: support on-demand shadow mapping js1304@gmail.com - 2017-05-16 03:20 +0200
[PATCH v1 11/11] mm/kasan: change the order of shadow memory check js1304@gmail.com - 2017-05-16 03:20 +0200
[PATCH v1 10/11] mm/kasan: support dynamic shadow memory free js1304@gmail.com - 2017-05-16 03:20 +0200
[PATCH v1 05/11] mm/kasan: introduce per-page shadow memory infrastructure js1304@gmail.com - 2017-05-16 03:20 +0200
[PATCH v1 08/11] mm/kasan: support on-demand shadow allocation/mapping js1304@gmail.com - 2017-05-16 03:20 +0200
[PATCH v1 02/11] mm/kasan: don't fetch the next shadow value speculartively js1304@gmail.com - 2017-05-16 03:20 +0200
[PATCH v1 07/11] x86/kasan: use per-page shadow memory js1304@gmail.com - 2017-05-16 03:20 +0200
[PATCH(RE-RESEND) v1 01/11] mm/kasan: rename _is_zero to _is_nonzero Joonsoo Kim <js1304@gmail.com> - 2017-05-16 03:30 +0200
Re: [PATCH v1 00/11] mm/kasan: support per-page shadow memory to reduce memory consumption Dmitry Vyukov <dvyukov@google.com> - 2017-05-16 06:40 +0200
Re: [PATCH v1 00/11] mm/kasan: support per-page shadow memory to reduce memory consumption Dmitry Vyukov <dvyukov@google.com> - 2017-05-16 06:50 +0200
Re: [PATCH v1 00/11] mm/kasan: support per-page shadow memory to reduce memory consumption Joonsoo Kim <js1304@gmail.com> - 2017-05-16 08:30 +0200
Re: [PATCH v1 00/11] mm/kasan: support per-page shadow memory to reduce memory consumption Dmitry Vyukov <dvyukov@google.com> - 2017-05-16 22:50 +0200
Re: [PATCH v1 00/11] mm/kasan: support per-page shadow memory to reduce memory consumption Joonsoo Kim <js1304@gmail.com> - 2017-05-17 09:30 +0200
Re: [PATCH v1 00/11] mm/kasan: support per-page shadow memory to reduce memory consumption Joonsoo Kim <js1304@gmail.com> - 2017-05-17 09:30 +0200
Re: [PATCH v1 00/11] mm/kasan: support per-page shadow memory to reduce memory consumption Dmitry Vyukov <dvyukov@google.com> - 2017-05-24 09:00 +0200
Re: [PATCH v1 00/11] mm/kasan: support per-page shadow memory to reduce memory consumption Joonsoo Kim <js1304@gmail.com> - 2017-05-24 09:50 +0200
Re: [PATCH v1 00/11] mm/kasan: support per-page shadow memory to reduce memory consumption Dmitry Vyukov <dvyukov@google.com> - 2017-05-24 19:30 +0200
Re: [PATCH v1 00/11] mm/kasan: support per-page shadow memory to reduce memory consumption Joonsoo Kim <js1304@gmail.com> - 2017-05-19 04:00 +0200
Re: [PATCH v1 00/11] mm/kasan: support per-page shadow memory to reduce memory consumption Dmitry Vyukov <dvyukov@google.com> - 2017-05-22 08:10 +0200
Re: [PATCH v1 00/11] mm/kasan: support per-page shadow memory to reduce memory consumption Joonsoo Kim <js1304@gmail.com> - 2017-05-24 08:10 +0200
Re: [PATCH v1 00/11] mm/kasan: support per-page shadow memory to reduce memory consumption Dmitry Vyukov <dvyukov@google.com> - 2017-05-24 18:40 +0200
Re: [PATCH v1 00/11] mm/kasan: support per-page shadow memory to reduce memory consumption Joonsoo Kim <js1304@gmail.com> - 2017-05-24 08:20 +0200
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