diff options
Diffstat (limited to 'kernel/printk/printk_ringbuffer.h')
| -rw-r--r-- | kernel/printk/printk_ringbuffer.h | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/kernel/printk/printk_ringbuffer.h b/kernel/printk/printk_ringbuffer.h index 3e46a7423c13..e6302da041f9 100644 --- a/kernel/printk/printk_ringbuffer.h +++ b/kernel/printk/printk_ringbuffer.h @@ -120,12 +120,13 @@ struct prb_reserved_entry { #define DESC_FLAGS_MASK (DESC_COMMITTED_MASK | DESC_REUSE_MASK) #define DESC_ID_MASK (~DESC_FLAGS_MASK) #define DESC_ID(sv) ((sv) & DESC_ID_MASK) -#define INVALID_LPOS 1 +#define FAILED_LPOS 0x1 +#define NO_LPOS 0x3 -#define INVALID_BLK_LPOS \ +#define FAILED_BLK_LPOS \ { \ - .begin = INVALID_LPOS, \ - .next = INVALID_LPOS, \ + .begin = FAILED_LPOS, \ + .next = FAILED_LPOS, \ } /* @@ -147,7 +148,7 @@ struct prb_reserved_entry { * * To satisfy Req1, the tail initially points to a descriptor that is * minimally initialized (having no data block, i.e. data-less with the - * data block's lpos @begin and @next values set to INVALID_LPOS). + * data block's lpos @begin and @next values set to FAILED_LPOS). * * To satisfy Req2, the initial tail descriptor is initialized to the * reusable state. Readers recognize reusable descriptors as existing @@ -242,8 +243,8 @@ static struct prb_desc _##name##_descs[_DESCS_COUNT(descbits)] = { \ /* reusable */ \ .state_var = ATOMIC_INIT(DESC0_SV(descbits)), \ /* no associated data block */ \ - .text_blk_lpos = INVALID_BLK_LPOS, \ - .dict_blk_lpos = INVALID_BLK_LPOS, \ + .text_blk_lpos = FAILED_BLK_LPOS, \ + .dict_blk_lpos = FAILED_BLK_LPOS, \ }, \ }; \ static struct printk_ringbuffer name = { \ |