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s390/zcrypt: introduce dynamic debugging for AP and zcrypt code

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This patch replaces all the s390 debug feature calls with
debug level by dynamic debug calls pr_debug. These calls
are much more flexible and each single invocation can get
enabled/disabled at runtime wheres the s390 debug feature
debug calls have only one knob - enable or disable all in
one bunch. The benefit is especially significant with
high frequency called functions like the AP bus scan. In
most debugging scenarios you don't want and need them, but
sometimes it is crucial to know exactly when and how long
the AP bus scan took.

Signed-off-by: Harald Freudenberger <freude@linux.ibm.com>
Reviewed-by: Holger Dengler <dengler@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
This commit is contained in:
Harald Freudenberger
2024-01-30 10:07:28 +01:00
committed by Heiko Carstens
parent 88e4c0da9b
commit 08b2c3706d
7 changed files with 89 additions and 85 deletions
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2
drivers/s390/crypto/zcrypt_debug.h
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@@ -27,8 +27,6 @@
debug_sprintf_event(zcrypt_dbf_info, DBF_WARN, ##__VA_ARGS__)
#define ZCRYPT_DBF_INFO(...) \
debug_sprintf_event(zcrypt_dbf_info, DBF_INFO, ##__VA_ARGS__)
#define ZCRYPT_DBF_DBG(...) \
debug_sprintf_event(zcrypt_dbf_info, DBF_DEBUG, ##__VA_ARGS__)
extern debug_info_t *zcrypt_dbf_info;