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kgdb patches for 5.15

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Changes for kgdb/kdb this cycle are dominated by a change from
 Sumit that removes as small (256K) private heap from kdb. This is
 change I've hoped for ever since I discovered how few users of this
 heap remained in the kernel, so many thanks to Sumit for hunting
 these down. Other change is an incremental step towards SPDX headers.
 
 Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
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Merge tag 'kgdb-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux

Pull kgdb updates from Daniel Thompson:
 "Changes for kgdb/kdb this cycle are dominated by a change from Sumit
  that removes as small (256K) private heap from kdb. This is change
  I've hoped for ever since I discovered how few users of this heap
  remained in the kernel, so many thanks to Sumit for hunting these
  down.

  The other change is an incremental step towards SPDX headers"

* tag 'kgdb-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux:
  kernel: debug: Convert to SPDX identifier
  kdb: Rename members of struct kdbtab_t
  kdb: Simplify kdb_defcmd macro logic
  kdb: Get rid of redundant kdb_register_flags()
  kdb: Rename struct defcmd_set to struct kdb_macro
  kdb: Get rid of custom debug heap allocator
This commit is contained in:
Linus Torvalds 2021-09-07 12:08:04 -07:00
commit 996fe06160
10 changed files with 387 additions and 728 deletions
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20
samples/kdb/kdb_hello.c
View file

@ -28,28 +28,26 @@ static int kdb_hello_cmd(int argc, const char **argv)
return 0;
}
static kdbtab_t hello_cmd = {
.name = "hello",
.func = kdb_hello_cmd,
.usage = "[string]",
.help = "Say Hello World or Hello [string]",
};
static int __init kdb_hello_cmd_init(void)
{
/*
* Registration of a dynamically added kdb command is done with
* kdb_register() with the arguments being:
* 1: The name of the shell command
* 2: The function that processes the command
* 3: Description of the usage of any arguments
* 4: Descriptive text when you run help
* 5: Number of characters to complete the command
* 0 == type the whole command
* 1 == match both "g" and "go" for example
* kdb_register().
*/
kdb_register("hello", kdb_hello_cmd, "[string]",
"Say Hello World or Hello [string]", 0);
kdb_register(&hello_cmd);
return 0;
}
static void __exit kdb_hello_cmd_exit(void)
{
kdb_unregister("hello");
kdb_unregister(&hello_cmd);
}
module_init(kdb_hello_cmd_init);