diff options
author | Linus Torvalds | 2021-11-02 10:53:45 -0700 |
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committer | Linus Torvalds | 2021-11-02 10:53:45 -0700 |
commit | 0aaa58eca65a876c9b8c5174a1b3ac23be6440ad (patch) | |
tree | 623055a1d5d9155c1dff225d4e46859599bd3e3a /kernel | |
parent | c150d66bd514b21a8d0c4da063d77fb7bf1ecc4b (diff) | |
parent | 40e64a88dadcfa168914065baf7f035de957bbe0 (diff) |
Merge tag 'printk-for-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux
Pull printk updates from Petr Mladek:
- Extend %pGp print format to print hex value of the page flags
- Use kvmalloc instead of kmalloc to allocate devkmsg buffers
- Misc cleanup and warning fixes
* tag 'printk-for-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux:
vsprintf: Update %pGp documentation about that it prints hex value
lib/vsprintf.c: Amend static asserts for format specifier flags
vsprintf: Make %pGp print the hex value
test_printf: Append strings more efficiently
test_printf: Remove custom appending of '|'
test_printf: Remove separate page_flags variable
test_printf: Make pft array const
ia64: don't do IA64_CMPXCHG_DEBUG without CONFIG_PRINTK
printk: use gnu_printf format attribute for printk_sprint()
printk: avoid -Wsometimes-uninitialized warning
printk: use kvmalloc instead of kmalloc for devkmsg_user
Diffstat (limited to 'kernel')
-rw-r--r-- | kernel/printk/index.c | 5 | ||||
-rw-r--r-- | kernel/printk/printk.c | 5 |
2 files changed, 5 insertions, 5 deletions
diff --git a/kernel/printk/index.c b/kernel/printk/index.c index d3709408debe..c85be186a783 100644 --- a/kernel/printk/index.c +++ b/kernel/printk/index.c @@ -26,10 +26,9 @@ static struct pi_entry *pi_get_entry(const struct module *mod, loff_t pos) if (mod) { entries = mod->printk_index_start; nr_entries = mod->printk_index_size; - } + } else #endif - - if (!mod) { + { /* vmlinux, comes from linker symbols */ entries = __start_printk_index; nr_entries = __stop_printk_index - __start_printk_index; diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index a8d0a58deebc..9e5dfb1896a9 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -847,7 +847,7 @@ static int devkmsg_open(struct inode *inode, struct file *file) return err; } - user = kmalloc(sizeof(struct devkmsg_user), GFP_KERNEL); + user = kvmalloc(sizeof(struct devkmsg_user), GFP_KERNEL); if (!user) return -ENOMEM; @@ -875,7 +875,7 @@ static int devkmsg_release(struct inode *inode, struct file *file) ratelimit_state_exit(&user->rs); mutex_destroy(&user->lock); - kfree(user); + kvfree(user); return 0; } @@ -2066,6 +2066,7 @@ u16 printk_parse_prefix(const char *text, int *level, return prefix_len; } +__printf(5, 0) static u16 printk_sprint(char *text, u16 size, int facility, enum printk_info_flags *flags, const char *fmt, va_list args) |