[PATCH v2 1/3] log: move processing_msg to global data

[Heinrich Schuchardt]

Replace the static variable processing_msg by a field in the global data.
Make the field bool at it can only be true or false.

Signed-off-by: Heinrich Schuchardt <xypron.g...@gmx.de>
---
v2:
        new patch
---
 common/log.c                      | 7 +++----
 include/asm-generic/global_data.h | 8 ++++++++
 2 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/common/log.c b/common/log.c
index 1b10f6f180..f95f09c1b6 100644
--- a/common/log.c
+++ b/common/log.c
@@ -194,24 +194,23 @@ static bool log_passes_filters(struct log_device *ldev, 
struct log_rec *rec)
 static int log_dispatch(struct log_rec *rec)
 {
        struct log_device *ldev;
-       static int processing_msg;

        /*
         * When a log driver writes messages (e.g. via the network stack) this
         * may result in further generated messages. We cannot process them here
         * as this might result in infinite recursion.
         */
-       if (processing_msg)
+       if (gd->processing_msg)
                return 0;

        /* Emit message */
-       processing_msg = 1;
+       gd->processing_msg = true;
        list_for_each_entry(ldev, &gd->log_head, sibling_node) {
                if ((ldev->flags & LOGDF_ENABLE) &&
                    log_passes_filters(ldev, rec))
                        ldev->drv->emit(ldev, rec);
        }
-       processing_msg = 0;
+       gd->processing_msg = false;
        return 0;
 }

diff --git a/include/asm-generic/global_data.h 
b/include/asm-generic/global_data.h
index ebb740d34f..db83f59ceb 100644
--- a/include/asm-generic/global_data.h
+++ b/include/asm-generic/global_data.h
@@ -363,6 +363,14 @@ struct global_data {
         * &enum log_fmt defines the bits of the bit mask.
         */
        int log_fmt;
+
+       /**
+        * @processing_msg: a log message is being processed
+        *
+        * This flag is used to suppress the creation of additional messages
+        * while another message is being processed.
+        */
+       bool processing_msg;
 #endif
 #if CONFIG_IS_ENABLED(BLOBLIST)
        /**
--
2.28.0