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Pull Kconfig updates from Masahiro Yamada:
- Change 'option defconfig' to the environment variable
KCONFIG_DEFCONFIG_LIST
- Refactor tinyconfig without using allnoconfig_y
- Remove 'option allnoconfig_y' syntax
- Change 'option modules' to 'modules'
- Do not use /boot/config-* etc. as base config for cross-compilation
- Fix a search bug in nconf
- Various code cleanups
* tag 'kconfig-v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (34 commits)
kconfig: refactor .gitignore
kconfig: highlight xconfig 'comment' lines with '***'
kconfig: highlight gconfig 'comment' lines with '***'
kconfig: gconf: remove unused code
kconfig: remove unused PACKAGE definition
kconfig: nconf: stop endless search loops
kconfig: split menu.c out of parser.y
kconfig: nconf: refactor in print_in_middle()
kconfig: nconf: remove meaningless wattrset() call from show_menu()
kconfig: nconf: change set_config_filename() to void function
kconfig: nconf: refactor attributes setup code
kconfig: nconf: remove unneeded default for menu prompt
kconfig: nconf: get rid of (void) casts from wattrset() calls
kconfig: nconf: fix NORMAL attributes
kconfig: mconf,nconf: remove unneeded '\0' termination after snprintf()
kconfig: use /boot/config-* etc. as DEFCONFIG_LIST only for native build
kconfig: change sym_change_count to a boolean flag
kconfig: nconf: fix core dump when searching in empty menu
kconfig: lxdialog: A spello fix and a punctuation added
kconfig: streamline_config.pl: Couple of typo fixes
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Add '/' prefix to clarify that the generated files exist right under
scripts/kconfig/, but not in any sub-directory.
Replace '*conf-cfg' with '[gmnq]conf-cfg' to make it explicit, and
still short enough.
Use '[gmnq]conf' to combine gconf, mconf, nconf, and qconf.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Make include/config/foo/bar.h fake deps files generation simpler.
* delete .h suffix
those aren't header files, shorten filenames,
* delete tolower()
Linux filesystems can deal with both upper and lowercase
filenames very well,
* put everything in 1 directory
Presumably 'mkdir -p' split is from dark times when filesystems
handled huge directories badly, disks were round adding to
seek times.
x86_64 allmodconfig lists 12364 files in include/config.
../obj/include/config/
├── 104_QUAD_8
├── 60XX_WDT
├── 64BIT
...
├── ZSWAP_DEFAULT_ON
├── ZSWAP_ZPOOL_DEFAULT
└── ZSWAP_ZPOOL_DEFAULT_ZBUD
0 directories, 12364 files
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Mark Kconfig "comment" lines with "*** <commentstring> ***"
so that it is clear that these lines are comments and not some
kconfig item that cannot be modified.
This is helpful in some menus to be able to provide a menu
"sub-heading" for groups of similar config items.
This also makes the comments be presented in a way that is
similar to menuconfig and nconfig.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Mark Kconfig "comment" lines with "*** <commentstring> ***"
so that it is clear that these lines are comments and not some
kconfig item that cannot be modified.
This is helpful in some menus to be able to provide a menu
"sub-heading" for groups of similar config items.
This also makes the comments be presented in a way that is
similar to menuconfig and nconfig.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Remove the unused <config.h> inclusion, and commented out lines.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Commit 3b9fa0931dd8 ("[PATCH] Kconfig i18n support") added this code,
and then commit ("kconfig: drop localization support") removed the
i18n support entirely.
Remove the left-over.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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If the user selects the very first entry in a page and performs a
search-up operation, or selects the very last entry in a page and
performs a search-down operation that will not succeed (e.g., via
[/]asdfzzz[Up Arrow]), nconf will never terminate searching the page.
The reason is that in this case, the starting point will be set to -1
or n, which is then translated into (n - 1) (i.e., the last entry of
the page) or 0 (i.e., the first entry of the page) and finally the
search begins. This continues to work fine until the index reaches 0 or
(n - 1), at which point it will be decremented to -1 or incremented to
n, but not checked against the starting point right away. Instead, it's
wrapped around to the bottom or top again, after which the starting
point check occurs... and naturally fails.
My original implementation added another check for -1 before wrapping
the running index variable around, but Masahiro Yamada pointed out that
the actual issue is that the comparison point (starting point) exceeds
bounds (i.e., the [0,n-1] interval) in the first place and that,
instead, the starting point should be fixed.
This has the welcome side-effect of also fixing the case where the
starting point was n while searching down, which also lead to an
infinite loop.
OTOH, this code is now essentially all his work.
Amazingly, nobody seems to have been hit by this for 11 years - or at
the very least nobody bothered to debug and fix this.
Signed-off-by: Mihai Moldovan <ionic@ionic.de>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Compile menu.c as an independent compilation unit.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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This helper is the same as the sample code in the NCURSES HOWTO [1],
but it is over-engineering to be used for nconf.
I do not see any good reason to use the 'float' type just for the
division by 2.
All the call-sites pass a non-NULL pointer to the first argument,
so 'if (win == NULL) win = stdscr;' is dead code.
'if (startx != 0) x = startx;' is dead code because 'x' will be
overridden some lines below, by 'x = startx + (int)temp;'.
All the call-sites pass a non-zero value to the second argument,
so 'if (starty != 0)' is always true.
getyx(win, y, x) is also dead-code because both 'y' and 'x' are
overridden.
All the call-sites pass 0 to the third parameter, so 'startx' can
be removed.
All the call-sites pass a non-zero value to the fourth parameter,
so 'if (width == 0) width = 80;' is dead code.
The window will be refreshed later, so there is no need to call
refresh() in this function.
Change the type of the last parameter from 'chtype' to 'int' to be
aligned with the prototype, 'int wattrset(WINDOW *win, int attrs);'
I also slightly cleaned up the indentation style.
[1]: https://tldp.org/HOWTO/NCURSES-Programming-HOWTO/color.html
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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This attribute is not used because it will be overridden some lines
below:
wattrset(main_window, attr_main_menu_box);
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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No one uses the return value of this function.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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The current attributes setup code is strange; the array attribute[]
is set to values outside the range of the attribute_t enum.
At least,
attributes_t attributes[ATTR_MAX+1] = {0};
... should be
int attribute[ATTR_MAX+1] = {0};
Also, there is no need to hard-code the color-pair numbers in
attributes_t.
The current code is messy. Rewrite it.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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The rootmenu always has a prompt even if the 'mainmenu' statement is
missing in the top Kconfig file.
conf_parse() calls menu_add_prompt(P_MENU, "Main menu", NULL) in this
case.
So, every 'menu' has a prompt.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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This reverts commit 10175ba65fde ("nconfig: Silence unused return values
from wattrset").
With this patch applied, recent GCC versions can cleanly build nconf
without "value computed is not used" warnings.
The wattrset() used to be implemented as a macro, like this:
#define wattrset(win,at) \
(NCURSES_OK_ADDR(win) \
? ((win)->_attrs = NCURSES_CAST(attr_t, at), \
OK) \
: ERR)
The GCC bugzilla [1] reported a false-positive -Wunused-value warning
in a similar test case. It was fixed by GCC 4.4.1.
Let's revert that commit, and see if somebody will claim the issue.
[1]: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=39889
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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The lower 8-bit of attributes should be 0, but this code wrongly
sets it to NORMAL (=1). The correct one is A_NORMAL.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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snprintf() always terminates the destination buffer with '\0' even if
the buffer is not long enough. (In this case, the last element of the
buffer becomes '\0'.)
The explicit termination is unneeded.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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When the .config file is missing, 'make config', 'make menuconfig', etc.
uses a file listed in DEFCONFIG_LIST, if found, as base configuration.
Ususally, /boot/config-$(uname -r) exists, and is used as default.
However, when you are cross-compiling the kernel, it does not make
sense to use /boot/config-* on the build host. It should default to
arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG).
UML previously did not use DEFCONFIG_LIST at all, but it should be
able to use arch/um/configs/$(KBUILD_DEFCONFIG) as a base config file.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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sym_change_count has no good reason to be 'int' type.
sym_set_change_count() compares the old and new values after casting
both of them to (bool). I do not see any practical diffrence between
sym_set_change_count(1) and sym_add_change_count(1).
Use the boolean flag, conf_changed.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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The following code in get_mext_match():
index = (index + items_num) % items_num;
... makes the program crash when items_num is zero (that is, the menu
is empty).
A menu can be empty when all the options in it are hidden by unmet
'depends on'.
For example,
menu "This menu will be empty"
config FOO
bool "foo"
depends on BROKEN
endmenu
If you visit this menu and press a '/' key and then another key, nconf
crashes with:
Floating point exception (core dumped)
When the number of items is zero, it does not make sense to search in
the menu. In this case, current_item() returns NULL, and item_index()
ERR, but get_mext_match() does not check it.
Let's make get_mext_match() just return if the menu is empty.
While I am here, change items_num from 'int' to 'unsigned int' because
it should never become negative.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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s/propperly/properly/
s/thats/that\'s/
Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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s/configuraton/configuration/
s/orignal/original/
Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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fixed the following coccicheck:
./scripts/kconfig/confdata.c:36:9-10: WARNING: return of 0/1 in function
'is_dir' with return type bool
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Now "modules" is the only member of the "option" property.
Remove "option", and move "modules" to the top level property.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Now that the only user, CONFIG_EMBEDDED has stopped using this option,
remove it entirely.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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allnoconfig_y is an ugly hack that sets a symbol to 'y' by allnoconfig.
allnoconfig does not mean a minimal set of CONFIG options because a
bunch of prompts are hidden by 'if EMBEDDED' or 'if EXPERT', but I do
not like to hack Kconfig this way.
Use the pre-existing feature, KCONFIG_ALLCONFIG, to provide a one
liner config fragment. CONFIG_EMBEDDED=y is still forced when
allnoconfig is invoked as a part of tinyconfig.
No change in the .config file produced by 'make tinyconfig'.
The output of 'make allnoconfig' will be changed; we will get
CONFIG_EMBEDDED=n because allnoconfig literally sets all symbols to n.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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This is a partial revert of commit 2a86f6612164 ("kbuild: use
KBUILD_DEFCONFIG as the fallback for DEFCONFIG_LIST").
Now that the reference to $(DEFCONFIG_LIST) was removed from
init/Kconfig, the default KBUILD_DEFCONFIG can go back home.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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"defconfig_list" is a weird option that defines a static symbol that
declares the list of base config files in case the .config does not
exist yet.
This is quite different from other normal symbols; we just abused the
"string" type and the "default" properties to list out the input files.
They must be fixed values since these are searched for and loaded in
the parse stage.
It is an ugly hack, and should not exist in the first place. Providing
this feature as an environment variable is a saner approach.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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This macro is only used in mconf.c.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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This function is only used in conf.c. Move it there together with the
randomize_choice_values() helper.
Define 'enum conf_def_mode' locally in conf.c as well.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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This function is only used in conf.c.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Pass av[optind] to conf_parse() directly.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Add missing options and make the help message more readable.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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They are long options for -h and -s, respectively.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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The current option parse code is clumsy.
The 's' option is separately handled in an if-conditional due to the
following code:
input_mode = (enum input_mode)opt;
If 's' is moved to the switch statement, the invalid value 's' would
be assigned to the input_mode.
Another potential problem is that we are mixing 'enum input_mode' and
ASCII characters. They could overwrap if we add more input modes.
To separate them out, set the flag field of long options to a pointer
of input_mode_opt. For mode select options, getopt_long() returns 0,
which never causes overwrap with ASCII characters that represent short
options.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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This code is too big to be placed in the switch statement.
Move the code into a new helper function. I slightly refactor the code
without changing the behavior.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Unify the similar build rules.
This supports 'make build_config', which builds scripts/kconfig/conf
but does not invoke it.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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scripts/kconfig/conf.c line 39 defines the default of input_mode as
oldaskconfig. Hence, 'make config' works in the same way even without
the --oldaskconfig option given. Note this in the help message.
This will be helpful to unify build rules in Makefile in the next
commit.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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scripts/kconfig/conf supports -? option to show the help message.
This is not wired up to Makefile, so nobody would notice this, but
it also shows 'invalid option' message.
$ ./scripts/kconfig/conf -?
./scripts/kconfig/conf: invalid option -- '?'
Usage: ./scripts/kconfig/conf [-s] [option] <kconfig-file>
[option] is _one_ of the following:
--listnewconfig List new options
--helpnewconfig List new options and help text
--oldaskconfig Start a new configuration using a line-oriented program
...
The reason is the '?' is missing in the short option list passed to
getopt_long().
While I fixed this issue, I also changed the option '?' to 'h'.
I prefer -h (or --help, if a long option is also desired).
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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conf_askvalue() is only called for oldconfig, syncconfig, and
oldaskconfig. If it is called for other cases, it is a bug.
So, the code after the switch statement is unreachable.
Remove the dead code, and clean up the switch statement.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Unify the outer two if-conditionals into one. This decreases the
indent level by one.
Also, change the if-else blocks:
if (input_mode == listnewconfig) {
...
} else if (input_mode == helpnewconfig) {
...
} else {
...
}
into the switch statement.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Use the saved returned value of sym_get_string_value() instead of
calling it twice.
Signed-off-by: Mickaël Salaün <mic@linux.microsoft.com>
Link: https://lore.kernel.org/r/20210215181511.2840674-2-mic@digikod.net
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Commit c0f975af1745 ("kconfig: Support building mconf with vendor
sysroot ncurses") introduces a bug when HOSTCC contains parameters:
the whole command line is treated as the program name (with spaces
in it). Therefore, we have to remove the quotes.
Fixes: c0f975af1745 ("kconfig: Support building mconf with vendor sysroot ncurses")
Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Linux 5.10 is out. Remove the 'kvmconfig' and 'xenconfig' shorthands
as previously announced.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Changes the final fallback path in the ncurses locator for mconf
to support host compilers with a non-default sysroot.
This is similar to the hardcoded search for ncurses under
'/usr/include', but can support compilers that keep their default
header and library directories elsewhere.
For nconfig, do nothing because the only vendor compiler I'm aware
of with this layout (Apple Clang) ships an ncurses version that's too
old for nconfig anyway.
Signed-off-by: John Millikin <john@john-millikin.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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$(error-if,...) is expanded to an empty string. Currently, it relies on
eval_clause() returning xstrdup("") when all attempts for expansion fail,
but the correct implementation is to make do_error_if() return xstrdup("").
Fixes: 1d6272e6fe43 ("kconfig: add 'info', 'warning-if', and 'error-if' built-in functions")
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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- Add missing includes.
- Remove no longer necessary includes.
Signed-off-by: Boris Kolpackov <boris@codesynthesis.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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You can get the Qt version by running "pkg-config --modversion Qt5Core"
or something, but this might be useful to get the runtime Qt version
more easily. Go to the menu "Help" -> "About", then you can see it.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Signed-off-by: Boris Kolpackov <boris@codesynthesis.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Now that the Qt4 support was dropped, we can use the new connection
syntax supported by Qt5. It provides compile-time checking of the
validity of the connection.
Previously, the connection between signals and slots were checked
only run-time.
Commit d85de3399f97 ("kconfig: qconf: fix signal connection to invalid
slots") fixed wrong slots.
This change makes it possible to catch such mistakes easily.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Tested-by: Boris Kolpackov <boris@codesynthesis.com>
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Linus Torvalds
Masahiro Yamada
Alexey Dobriyan
Randy Dunlap
Mihai Moldovan
Bhaskar Chowdhury
Yang Li
Mickaël Salaün
Enrico Weigelt, metux IT consult
John Millikin
Boris Kolpackov