* [PULL 0/6] Misc fixes for 7.0
@ 2022-04-01 15:23 Thomas Huth
2022-04-01 15:23 ` [PULL 1/6] misc: Fixes MAINTAINERS's path .github/workflows/lockdown.yml Thomas Huth
` (6 more replies)
0 siblings, 7 replies; 8+ messages in thread
From: Thomas Huth @ 2022-04-01 15:23 UTC (permalink / raw)
To: qemu-devel; +Cc: Peter Maydell
The following changes since commit 9b617b1bb4056e60b39be4c33be20c10928a6a5c:
Merge tag 'trivial-branch-for-7.0-pull-request' of https://gitlab.com/laurent_vivier/qemu into staging (2022-04-01 10:23:27 +0100)
are available in the Git repository at:
https://gitlab.com/thuth/qemu.git tags/pull-request-2022-04-01
for you to fetch changes up to e32aaa5a19e24233180042f84a0235a209de71cc:
trace: fix compilation with lttng-ust >= 2.13 (2022-04-01 13:06:07 +0200)
----------------------------------------------------------------
* Fix some compilation issues
* Fix overflow calculation in s390x emulation
* Update location of lockdown.yml in MAINTAINERS file
----------------------------------------------------------------
Bruno Haible (2):
target/s390x: Fix determination of overflow condition code after addition
target/s390x: Fix determination of overflow condition code after subtraction
Marc-André Lureau (1):
trace: fix compilation with lttng-ust >= 2.13
Thomas Huth (1):
meson.build: Fix dependency of page-vary-common.c to config-poison.h
Will Cohen (1):
9p: move P9_XATTR_SIZE_MAX from 9p.h to 9p.c
Yonggang Luo (1):
misc: Fixes MAINTAINERS's path .github/workflows/lockdown.yml
meson.build | 6 +++---
hw/9pfs/9p.h | 18 ------------------
hw/9pfs/9p.c | 28 +++++++++++++++++++++++-----
target/s390x/tcg/cc_helper.c | 8 ++++----
MAINTAINERS | 2 +-
scripts/tracetool/format/ust_events_h.py | 4 ++--
6 files changed, 33 insertions(+), 33 deletions(-)
^ permalink raw reply [flat|nested] 8+ messages in thread
* [PULL 1/6] misc: Fixes MAINTAINERS's path .github/workflows/lockdown.yml
2022-04-01 15:23 [PULL 0/6] Misc fixes for 7.0 Thomas Huth
@ 2022-04-01 15:23 ` Thomas Huth
2022-04-01 15:23 ` [PULL 2/6] target/s390x: Fix determination of overflow condition code after addition Thomas Huth
` (5 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: Thomas Huth @ 2022-04-01 15:23 UTC (permalink / raw)
To: qemu-devel; +Cc: Peter Maydell, Yonggang Luo, Philippe Mathieu-Daudé
From: Yonggang Luo <luoyonggang@gmail.com>
Signed-off-by: Yonggang Luo <luoyonggang@gmail.com>
Message-Id: <20220323080755.156-4-luoyonggang@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
---
MAINTAINERS | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/MAINTAINERS b/MAINTAINERS
index cc364afef7..d8b2601981 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3615,7 +3615,7 @@ M: Thomas Huth <thuth@redhat.com>
R: Wainer dos Santos Moschetta <wainersm@redhat.com>
R: Beraldo Leal <bleal@redhat.com>
S: Maintained
-F: .github/lockdown.yml
+F: .github/workflows/lockdown.yml
F: .gitlab-ci.yml
F: .gitlab-ci.d/
F: .travis.yml
--
2.27.0
^ permalink raw reply related [flat|nested] 8+ messages in thread
* [PULL 2/6] target/s390x: Fix determination of overflow condition code after addition
2022-04-01 15:23 [PULL 0/6] Misc fixes for 7.0 Thomas Huth
2022-04-01 15:23 ` [PULL 1/6] misc: Fixes MAINTAINERS's path .github/workflows/lockdown.yml Thomas Huth
@ 2022-04-01 15:23 ` Thomas Huth
2022-04-01 15:23 ` [PULL 3/6] target/s390x: Fix determination of overflow condition code after subtraction Thomas Huth
` (4 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: Thomas Huth @ 2022-04-01 15:23 UTC (permalink / raw)
To: qemu-devel; +Cc: Peter Maydell, Bruno Haible
From: Bruno Haible <bruno@clisp.org>
This program currently prints different results when run with TCG instead
of running on real s390x hardware:
#include <stdio.h>
int overflow_32 (int x, int y)
{
int sum;
return ! __builtin_add_overflow (x, y, &sum);
}
int overflow_64 (long long x, long long y)
{
long sum;
return ! __builtin_add_overflow (x, y, &sum);
}
int a1 = -2147483648;
int b1 = -2147483648;
long long a2 = -9223372036854775808L;
long long b2 = -9223372036854775808L;
int main ()
{
{
int a = a1;
int b = b1;
printf ("a = 0x%x, b = 0x%x\n", a, b);
printf ("no_overflow = %d\n", overflow_32 (a, b));
}
{
long long a = a2;
long long b = b2;
printf ("a = 0x%llx, b = 0x%llx\n", a, b);
printf ("no_overflow = %d\n", overflow_64 (a, b));
}
}
Signed-off-by: Bruno Haible <bruno@clisp.org>
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/616
Message-Id: <20220323162621.139313-2-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
---
target/s390x/tcg/cc_helper.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/target/s390x/tcg/cc_helper.c b/target/s390x/tcg/cc_helper.c
index 8d04097f78..e11cdb745d 100644
--- a/target/s390x/tcg/cc_helper.c
+++ b/target/s390x/tcg/cc_helper.c
@@ -136,7 +136,7 @@ static uint32_t cc_calc_subu(uint64_t borrow_out, uint64_t result)
static uint32_t cc_calc_add_64(int64_t a1, int64_t a2, int64_t ar)
{
- if ((a1 > 0 && a2 > 0 && ar < 0) || (a1 < 0 && a2 < 0 && ar > 0)) {
+ if ((a1 > 0 && a2 > 0 && ar < 0) || (a1 < 0 && a2 < 0 && ar >= 0)) {
return 3; /* overflow */
} else {
if (ar < 0) {
@@ -196,7 +196,7 @@ static uint32_t cc_calc_comp_64(int64_t dst)
static uint32_t cc_calc_add_32(int32_t a1, int32_t a2, int32_t ar)
{
- if ((a1 > 0 && a2 > 0 && ar < 0) || (a1 < 0 && a2 < 0 && ar > 0)) {
+ if ((a1 > 0 && a2 > 0 && ar < 0) || (a1 < 0 && a2 < 0 && ar >= 0)) {
return 3; /* overflow */
} else {
if (ar < 0) {
--
2.27.0
^ permalink raw reply related [flat|nested] 8+ messages in thread
* [PULL 3/6] target/s390x: Fix determination of overflow condition code after subtraction
2022-04-01 15:23 [PULL 0/6] Misc fixes for 7.0 Thomas Huth
2022-04-01 15:23 ` [PULL 1/6] misc: Fixes MAINTAINERS's path .github/workflows/lockdown.yml Thomas Huth
2022-04-01 15:23 ` [PULL 2/6] target/s390x: Fix determination of overflow condition code after addition Thomas Huth
@ 2022-04-01 15:23 ` Thomas Huth
2022-04-01 15:23 ` [PULL 4/6] meson.build: Fix dependency of page-vary-common.c to config-poison.h Thomas Huth
` (3 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: Thomas Huth @ 2022-04-01 15:23 UTC (permalink / raw)
To: qemu-devel; +Cc: Peter Maydell, Bruno Haible
From: Bruno Haible <bruno@clisp.org>
Reported by Paul Eggert in
https://lists.gnu.org/archive/html/bug-gnulib/2021-09/msg00050.html
This program currently prints different results when run with TCG instead
of running on real s390x hardware:
#include <stdio.h>
int overflow_32 (int x, int y)
{
int sum;
return __builtin_sub_overflow (x, y, &sum);
}
int overflow_64 (long long x, long long y)
{
long sum;
return __builtin_sub_overflow (x, y, &sum);
}
int a1 = 0;
int b1 = -2147483648;
long long a2 = 0L;
long long b2 = -9223372036854775808L;
int main ()
{
{
int a = a1;
int b = b1;
printf ("a = 0x%x, b = 0x%x\n", a, b);
printf ("no_overflow = %d\n", ! overflow_32 (a, b));
}
{
long long a = a2;
long long b = b2;
printf ("a = 0x%llx, b = 0x%llx\n", a, b);
printf ("no_overflow = %d\n", ! overflow_64 (a, b));
}
}
Signed-off-by: Bruno Haible <bruno@clisp.org>
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/618
Message-Id: <20220323162621.139313-3-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
---
target/s390x/tcg/cc_helper.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/target/s390x/tcg/cc_helper.c b/target/s390x/tcg/cc_helper.c
index e11cdb745d..b2e8d3d9f5 100644
--- a/target/s390x/tcg/cc_helper.c
+++ b/target/s390x/tcg/cc_helper.c
@@ -151,7 +151,7 @@ static uint32_t cc_calc_add_64(int64_t a1, int64_t a2, int64_t ar)
static uint32_t cc_calc_sub_64(int64_t a1, int64_t a2, int64_t ar)
{
- if ((a1 > 0 && a2 < 0 && ar < 0) || (a1 < 0 && a2 > 0 && ar > 0)) {
+ if ((a1 >= 0 && a2 < 0 && ar < 0) || (a1 < 0 && a2 > 0 && ar > 0)) {
return 3; /* overflow */
} else {
if (ar < 0) {
@@ -211,7 +211,7 @@ static uint32_t cc_calc_add_32(int32_t a1, int32_t a2, int32_t ar)
static uint32_t cc_calc_sub_32(int32_t a1, int32_t a2, int32_t ar)
{
- if ((a1 > 0 && a2 < 0 && ar < 0) || (a1 < 0 && a2 > 0 && ar > 0)) {
+ if ((a1 >= 0 && a2 < 0 && ar < 0) || (a1 < 0 && a2 > 0 && ar > 0)) {
return 3; /* overflow */
} else {
if (ar < 0) {
--
2.27.0
^ permalink raw reply related [flat|nested] 8+ messages in thread
* [PULL 4/6] meson.build: Fix dependency of page-vary-common.c to config-poison.h
2022-04-01 15:23 [PULL 0/6] Misc fixes for 7.0 Thomas Huth
` (2 preceding siblings ...)
2022-04-01 15:23 ` [PULL 3/6] target/s390x: Fix determination of overflow condition code after subtraction Thomas Huth
@ 2022-04-01 15:23 ` Thomas Huth
2022-04-01 15:23 ` [PULL 5/6] 9p: move P9_XATTR_SIZE_MAX from 9p.h to 9p.c Thomas Huth
` (2 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: Thomas Huth @ 2022-04-01 15:23 UTC (permalink / raw)
To: qemu-devel; +Cc: Peter Maydell, Richard Henderson
Before compiling page-vary-common.c, we have to make sure that
config-poison.h has been generated (which is in the "genh" list).
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/948
Message-Id: <20220330114808.942933-1-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
---
meson.build | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/meson.build b/meson.build
index aef724ad3c..04ce33fef1 100644
--- a/meson.build
+++ b/meson.build
@@ -2881,7 +2881,7 @@ if get_option('b_lto')
if get_option('cfi')
pagevary_flags += '-fno-sanitize=cfi-icall'
endif
- pagevary = static_library('page-vary-common', sources: pagevary,
+ pagevary = static_library('page-vary-common', sources: pagevary + genh,
c_args: pagevary_flags)
pagevary = declare_dependency(link_with: pagevary)
endif
--
2.27.0
^ permalink raw reply related [flat|nested] 8+ messages in thread
* [PULL 5/6] 9p: move P9_XATTR_SIZE_MAX from 9p.h to 9p.c
2022-04-01 15:23 [PULL 0/6] Misc fixes for 7.0 Thomas Huth
` (3 preceding siblings ...)
2022-04-01 15:23 ` [PULL 4/6] meson.build: Fix dependency of page-vary-common.c to config-poison.h Thomas Huth
@ 2022-04-01 15:23 ` Thomas Huth
2022-04-01 15:23 ` [PULL 6/6] trace: fix compilation with lttng-ust >= 2.13 Thomas Huth
2022-04-02 17:38 ` [PULL 0/6] Misc fixes for 7.0 Peter Maydell
6 siblings, 0 replies; 8+ messages in thread
From: Thomas Huth @ 2022-04-01 15:23 UTC (permalink / raw)
To: qemu-devel; +Cc: Peter Maydell, Will Cohen
From: Will Cohen <wwcohen@gmail.com>
The patch set adding 9p functionality to darwin introduced an issue
where limits.h, which defines XATTR_SIZE_MAX, is included in 9p.c,
though the referenced constant is needed in 9p.h. This commit fixes that
issue by moving the definition of P9_XATTR_SIZE_MAX, which uses
XATTR_SIZE_MAX, to also be in 9p.c.
Additionally, this commit moves the location of the system headers
include in 9p.c to occur before the project headers (except osdep.h).
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/950
Fixes: 38d7fd68b0 ("9p: darwin: Move XATTR_SIZE_MAX->P9_XATTR_SIZE_MAX")
Signed-off-by: Will Cohen <wwcohen@gmail.com>
Message-Id: <20220331182651.887-1-wwcohen@gmail.com>
[thuth: Adjusted placement of osdep.h]
Signed-off-by: Thomas Huth <thuth@redhat.com>
---
hw/9pfs/9p.h | 18 ------------------
hw/9pfs/9p.c | 28 +++++++++++++++++++++++-----
2 files changed, 23 insertions(+), 23 deletions(-)
diff --git a/hw/9pfs/9p.h b/hw/9pfs/9p.h
index af2635fae9..994f952600 100644
--- a/hw/9pfs/9p.h
+++ b/hw/9pfs/9p.h
@@ -479,22 +479,4 @@ struct V9fsTransport {
void (*push_and_notify)(V9fsPDU *pdu);
};
-#if defined(XATTR_SIZE_MAX)
-/* Linux */
-#define P9_XATTR_SIZE_MAX XATTR_SIZE_MAX
-#elif defined(CONFIG_DARWIN)
-/*
- * Darwin doesn't seem to define a maximum xattr size in its user
- * space header, so manually configure it across platforms as 64k.
- *
- * Having no limit at all can lead to QEMU crashing during large g_malloc()
- * calls. Because QEMU does not currently support macOS guests, the below
- * preliminary solution only works due to its being a reflection of the limit of
- * Linux guests.
- */
-#define P9_XATTR_SIZE_MAX 65536
-#else
-#error Missing definition for P9_XATTR_SIZE_MAX for this host system
-#endif
-
#endif
diff --git a/hw/9pfs/9p.c b/hw/9pfs/9p.c
index dcaa602d4c..225f31fc31 100644
--- a/hw/9pfs/9p.c
+++ b/hw/9pfs/9p.c
@@ -17,6 +17,11 @@
*/
#include "qemu/osdep.h"
+#ifdef CONFIG_LINUX
+#include <linux/limits.h>
+#else
+#include <limits.h>
+#endif
#include <glib/gprintf.h>
#include "hw/virtio/virtio.h"
#include "qapi/error.h"
@@ -33,11 +38,6 @@
#include "migration/blocker.h"
#include "qemu/xxhash.h"
#include <math.h>
-#ifdef CONFIG_LINUX
-#include <linux/limits.h>
-#else
-#include <limits.h>
-#endif
int open_fd_hw;
int total_open_fd;
@@ -3925,6 +3925,24 @@ out_nofid:
v9fs_string_free(&name);
}
+#if defined(CONFIG_LINUX)
+/* Currently, only Linux has XATTR_SIZE_MAX */
+#define P9_XATTR_SIZE_MAX XATTR_SIZE_MAX
+#elif defined(CONFIG_DARWIN)
+/*
+ * Darwin doesn't seem to define a maximum xattr size in its user
+ * space header, so manually configure it across platforms as 64k.
+ *
+ * Having no limit at all can lead to QEMU crashing during large g_malloc()
+ * calls. Because QEMU does not currently support macOS guests, the below
+ * preliminary solution only works due to its being a reflection of the limit of
+ * Linux guests.
+ */
+#define P9_XATTR_SIZE_MAX 65536
+#else
+#error Missing definition for P9_XATTR_SIZE_MAX for this host system
+#endif
+
static void coroutine_fn v9fs_xattrcreate(void *opaque)
{
int flags, rflags = 0;
--
2.27.0
^ permalink raw reply related [flat|nested] 8+ messages in thread
* [PULL 6/6] trace: fix compilation with lttng-ust >= 2.13
2022-04-01 15:23 [PULL 0/6] Misc fixes for 7.0 Thomas Huth
` (4 preceding siblings ...)
2022-04-01 15:23 ` [PULL 5/6] 9p: move P9_XATTR_SIZE_MAX from 9p.h to 9p.c Thomas Huth
@ 2022-04-01 15:23 ` Thomas Huth
2022-04-02 17:38 ` [PULL 0/6] Misc fixes for 7.0 Peter Maydell
6 siblings, 0 replies; 8+ messages in thread
From: Thomas Huth @ 2022-04-01 15:23 UTC (permalink / raw)
To: qemu-devel; +Cc: Peter Maydell, Stefan Hajnoczi, Marc-André Lureau
From: Marc-André Lureau <marcandre.lureau@redhat.com>
On Fedora 36, with lttng-ust 2.13.1, compilation fails with:
In file included from trace/trace-ust-all.h:49085,
from trace/trace-ust-all.c:13:
/usr/include/lttng/tracepoint-event.h:67:10: error: #include expects "FILENAME" or <FILENAME>
67 | #include LTTNG_UST_TRACEPOINT_INCLUDE
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
In lttng-ust commit 41858e2b6e8 ("Fix: don't do macro expansion in
tracepoint file name") from 2012, starting from lttng-ust 2.1, the API
was changed to expect TRACEPOINT_INCLUDE to be defined as a string.
In lttng-ust commit d2966b4b0b2 ("Remove TRACEPOINT_INCLUDE_FILE
macro"), in 2021, the compatibility macro was removed.
Use the "new" API from 2012, and bump the version requirement to 2.1 to
fix compilation with >= 2.13.
According to repology, all distributions we support have >= 2.1 (centos
8 has oldest with 2.8.1 afaict)
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20220328084717.367993-2-marcandre.lureau@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
---
meson.build | 4 ++--
scripts/tracetool/format/ust_events_h.py | 4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/meson.build b/meson.build
index 04ce33fef1..861de93c4f 100644
--- a/meson.build
+++ b/meson.build
@@ -455,8 +455,8 @@ if 'CONFIG_GIO' in config_host
endif
lttng = not_found
if 'ust' in get_option('trace_backends')
- lttng = dependency('lttng-ust', required: true, method: 'pkg-config',
- kwargs: static_kwargs)
+ lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
+ method: 'pkg-config', kwargs: static_kwargs)
endif
pixman = not_found
if have_system or have_tools
diff --git a/scripts/tracetool/format/ust_events_h.py b/scripts/tracetool/format/ust_events_h.py
index 6ce559f6cc..b99fe6896b 100644
--- a/scripts/tracetool/format/ust_events_h.py
+++ b/scripts/tracetool/format/ust_events_h.py
@@ -29,8 +29,8 @@ def generate(events, backend, group):
'#undef TRACEPOINT_PROVIDER',
'#define TRACEPOINT_PROVIDER qemu',
'',
- '#undef TRACEPOINT_INCLUDE_FILE',
- '#define TRACEPOINT_INCLUDE_FILE ./%s' % include,
+ '#undef TRACEPOINT_INCLUDE',
+ '#define TRACEPOINT_INCLUDE "./%s"' % include,
'',
'#if !defined (TRACE_%s_GENERATED_UST_H) || \\' % group.upper(),
' defined(TRACEPOINT_HEADER_MULTI_READ)',
--
2.27.0
^ permalink raw reply related [flat|nested] 8+ messages in thread
* Re: [PULL 0/6] Misc fixes for 7.0
2022-04-01 15:23 [PULL 0/6] Misc fixes for 7.0 Thomas Huth
` (5 preceding siblings ...)
2022-04-01 15:23 ` [PULL 6/6] trace: fix compilation with lttng-ust >= 2.13 Thomas Huth
@ 2022-04-02 17:38 ` Peter Maydell
6 siblings, 0 replies; 8+ messages in thread
From: Peter Maydell @ 2022-04-02 17:38 UTC (permalink / raw)
To: Thomas Huth; +Cc: qemu-devel
On Fri, 1 Apr 2022 at 16:23, Thomas Huth <thuth@redhat.com> wrote:
>
> The following changes since commit 9b617b1bb4056e60b39be4c33be20c10928a6a5c:
>
> Merge tag 'trivial-branch-for-7.0-pull-request' of https://gitlab.com/laurent_vivier/qemu into staging (2022-04-01 10:23:27 +0100)
>
> are available in the Git repository at:
>
> https://gitlab.com/thuth/qemu.git tags/pull-request-2022-04-01
>
> for you to fetch changes up to e32aaa5a19e24233180042f84a0235a209de71cc:
>
> trace: fix compilation with lttng-ust >= 2.13 (2022-04-01 13:06:07 +0200)
>
> ----------------------------------------------------------------
> * Fix some compilation issues
> * Fix overflow calculation in s390x emulation
> * Update location of lockdown.yml in MAINTAINERS file
>
> ----------------------------------------------------------------
Applied, thanks.
Please update the changelog at https://wiki.qemu.org/ChangeLog/7.0
for any user-visible changes.
-- PMM
^ permalink raw reply [flat|nested] 8+ messages in thread
end of thread, other threads:[~2022-04-02 17:43 UTC | newest]
Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed)
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2022-04-01 15:23 ` [PULL 2/6] target/s390x: Fix determination of overflow condition code after addition Thomas Huth
2022-04-01 15:23 ` [PULL 3/6] target/s390x: Fix determination of overflow condition code after subtraction Thomas Huth
2022-04-01 15:23 ` [PULL 4/6] meson.build: Fix dependency of page-vary-common.c to config-poison.h Thomas Huth
2022-04-01 15:23 ` [PULL 5/6] 9p: move P9_XATTR_SIZE_MAX from 9p.h to 9p.c Thomas Huth
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