docs/system/deprecated.rst | 7 +++++++ qemu-options.hx | 7 +------ softmmu/vl.c | 1 + 3 files changed, 9 insertions(+), 6 deletions(-)
The functionality of -writeconfig is limited and the code
does not even try to detect cases where it prints incorrect
syntax (for example if values have a quote in them, since
qemu_config_parse does not support any kind of escaping)
so remove it.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
docs/system/deprecated.rst | 7 +++++++
qemu-options.hx | 7 +------
softmmu/vl.c | 1 +
3 files changed, 9 insertions(+), 6 deletions(-)
diff --git a/docs/system/deprecated.rst b/docs/system/deprecated.rst
index 2fcac7861e..561c916da2 100644
--- a/docs/system/deprecated.rst
+++ b/docs/system/deprecated.rst
@@ -146,6 +146,13 @@ library enabled as a cryptography provider.
Neither the ``nettle`` library, or the built-in cryptography provider are
supported on FIPS enabled hosts.
+``-writeconfig`` (since 6.0)
+'''''''''''''''''''''''''''''
+
+The ``-writeconfig`` option is not able to serialize the entire contents
+of the QEMU command line. It is thus considered a failed experiment
+and deprecated, with no current replacement.
+
QEMU Machine Protocol (QMP) commands
------------------------------------
diff --git a/qemu-options.hx b/qemu-options.hx
index 34be5a7a2d..252db9357c 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -4335,13 +4335,8 @@ SRST
ERST
DEF("writeconfig", HAS_ARG, QEMU_OPTION_writeconfig,
"-writeconfig <file>\n"
- " read/write config file\n", QEMU_ARCH_ALL)
+ " read/write config file (deprecated)\n", QEMU_ARCH_ALL)
SRST
-``-writeconfig file``
- Write device configuration to file. The file can be either filename
- to save command line and device configuration into file or dash
- ``-``) character to print the output to stdout. This can be later
- used as input file for ``-readconfig`` option.
ERST
DEF("no-user-config", 0, QEMU_OPTION_nouserconfig,
diff --git a/softmmu/vl.c b/softmmu/vl.c
index b219ce1f35..10bd8a10a3 100644
--- a/softmmu/vl.c
+++ b/softmmu/vl.c
@@ -3356,6 +3356,7 @@ void qemu_init(int argc, char **argv, char **envp)
case QEMU_OPTION_writeconfig:
{
FILE *fp;
+ warn_report("-writeconfig is deprecated and will go away without a replacement");
if (strcmp(optarg, "-") == 0) {
fp = stdout;
} else {
--
2.29.2
Patchew URL: https://patchew.org/QEMU/20210302180023.54555-1-pbonzini@redhat.com/ Hi, This series seems to have some coding style problems. See output below for more information: Type: series Message-id: 20210302180023.54555-1-pbonzini@redhat.com Subject: [PATCH v3] vl: deprecate -writeconfig === TEST SCRIPT BEGIN === #!/bin/bash git rev-parse base > /dev/null || exit 0 git config --local diff.renamelimit 0 git config --local diff.renames True git config --local diff.algorithm histogram ./scripts/checkpatch.pl --mailback base.. === TEST SCRIPT END === Updating 3c8cf5a9c21ff8782164d1def7f44bd888713384 From https://github.com/patchew-project/qemu * [new tag] patchew/20210302180023.54555-1-pbonzini@redhat.com -> patchew/20210302180023.54555-1-pbonzini@redhat.com Switched to a new branch 'test' 25b4cd1 vl: deprecate -writeconfig === OUTPUT BEGIN === ERROR: line over 90 characters #66: FILE: softmmu/vl.c:3359: + warn_report("-writeconfig is deprecated and will go away without a replacement"); total: 1 errors, 0 warnings, 34 lines checked Commit 25b4cd1060d2 (vl: deprecate -writeconfig) has style problems, please review. If any of these errors are false positives report them to the maintainer, see CHECKPATCH in MAINTAINERS. === OUTPUT END === Test command exited with code: 1 The full log is available at http://patchew.org/logs/20210302180023.54555-1-pbonzini@redhat.com/testing.checkpatch/?type=message. --- Email generated automatically by Patchew [https://patchew.org/]. Please send your feedback to patchew-devel@redhat.com
On 02/03/2021 19.00, Paolo Bonzini wrote: > The functionality of -writeconfig is limited and the code > does not even try to detect cases where it prints incorrect > syntax (for example if values have a quote in them, since > qemu_config_parse does not support any kind of escaping) > so remove it. > > Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> > --- > docs/system/deprecated.rst | 7 +++++++ > qemu-options.hx | 7 +------ > softmmu/vl.c | 1 + > 3 files changed, 9 insertions(+), 6 deletions(-) > > diff --git a/docs/system/deprecated.rst b/docs/system/deprecated.rst > index 2fcac7861e..561c916da2 100644 > --- a/docs/system/deprecated.rst > +++ b/docs/system/deprecated.rst > @@ -146,6 +146,13 @@ library enabled as a cryptography provider. > Neither the ``nettle`` library, or the built-in cryptography provider are > supported on FIPS enabled hosts. > > +``-writeconfig`` (since 6.0) > +''''''''''''''''''''''''''''' > + > +The ``-writeconfig`` option is not able to serialize the entire contents > +of the QEMU command line. It is thus considered a failed experiment > +and deprecated, with no current replacement. > + > QEMU Machine Protocol (QMP) commands > ------------------------------------ > > diff --git a/qemu-options.hx b/qemu-options.hx > index 34be5a7a2d..252db9357c 100644 > --- a/qemu-options.hx > +++ b/qemu-options.hx > @@ -4335,13 +4335,8 @@ SRST > ERST > DEF("writeconfig", HAS_ARG, QEMU_OPTION_writeconfig, > "-writeconfig <file>\n" > - " read/write config file\n", QEMU_ARCH_ALL) > + " read/write config file (deprecated)\n", QEMU_ARCH_ALL) > SRST > -``-writeconfig file`` > - Write device configuration to file. The file can be either filename > - to save command line and device configuration into file or dash > - ``-``) character to print the output to stdout. This can be later > - used as input file for ``-readconfig`` option. > ERST > > DEF("no-user-config", 0, QEMU_OPTION_nouserconfig, > diff --git a/softmmu/vl.c b/softmmu/vl.c > index b219ce1f35..10bd8a10a3 100644 > --- a/softmmu/vl.c > +++ b/softmmu/vl.c > @@ -3356,6 +3356,7 @@ void qemu_init(int argc, char **argv, char **envp) > case QEMU_OPTION_writeconfig: > { > FILE *fp; > + warn_report("-writeconfig is deprecated and will go away without a replacement"); > if (strcmp(optarg, "-") == 0) { > fp = stdout; > } else { > Reviewed-by: Thomas Huth <thuth@redhat.com>
Paolo Bonzini <pbonzini@redhat.com> writes: > The functionality of -writeconfig is limited and the code > does not even try to detect cases where it prints incorrect > syntax (for example if values have a quote in them, since > qemu_config_parse does not support any kind of escaping) > so remove it. > > Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Markus Armbruster <armbru@redhat.com>
On Tue, Mar 02, 2021 at 07:00:23PM +0100, Paolo Bonzini wrote: > The functionality of -writeconfig is limited and the code > does not even try to detect cases where it prints incorrect > syntax (for example if values have a quote in them, since > qemu_config_parse does not support any kind of escaping) > so remove it. > > Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Gerd Hoffmann <kraxel@redhat.com>
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