summaryrefslogtreecommitdiff
path: root/lib
diff options
context:
space:
mode:
Diffstat (limited to 'lib')
-rw-r--r--lib/buildid.c56
-rw-r--r--lib/crypto/mpi/mpicoder.c2
-rw-r--r--lib/kfifo.c8
-rw-r--r--lib/kunit/Kconfig24
-rw-r--r--lib/kunit/executor.c8
-rw-r--r--lib/tests/printf_kunit.c4
-rw-r--r--lib/vsprintf.c80
7 files changed, 108 insertions, 74 deletions
diff --git a/lib/buildid.c b/lib/buildid.c
index c4b0f376fb34..aaf61dfc0919 100644
--- a/lib/buildid.c
+++ b/lib/buildid.c
@@ -11,27 +11,8 @@
#define MAX_PHDR_CNT 256
-struct freader {
- void *buf;
- u32 buf_sz;
- int err;
- union {
- struct {
- struct file *file;
- struct folio *folio;
- void *addr;
- loff_t folio_off;
- bool may_fault;
- };
- struct {
- const char *data;
- u64 data_sz;
- };
- };
-};
-
-static void freader_init_from_file(struct freader *r, void *buf, u32 buf_sz,
- struct file *file, bool may_fault)
+void freader_init_from_file(struct freader *r, void *buf, u32 buf_sz,
+ struct file *file, bool may_fault)
{
memset(r, 0, sizeof(*r));
r->buf = buf;
@@ -40,7 +21,7 @@ static void freader_init_from_file(struct freader *r, void *buf, u32 buf_sz,
r->may_fault = may_fault;
}
-static void freader_init_from_mem(struct freader *r, const char *data, u64 data_sz)
+void freader_init_from_mem(struct freader *r, const char *data, u64 data_sz)
{
memset(r, 0, sizeof(*r));
r->data = data;
@@ -92,7 +73,7 @@ static int freader_get_folio(struct freader *r, loff_t file_off)
return 0;
}
-static const void *freader_fetch(struct freader *r, loff_t file_off, size_t sz)
+const void *freader_fetch(struct freader *r, loff_t file_off, size_t sz)
{
size_t folio_sz;
@@ -127,18 +108,21 @@ static const void *freader_fetch(struct freader *r, loff_t file_off, size_t sz)
*/
folio_sz = folio_size(r->folio);
if (file_off + sz > r->folio_off + folio_sz) {
- int part_sz = r->folio_off + folio_sz - file_off;
-
- /* copy the part that resides in the current folio */
- memcpy(r->buf, r->addr + (file_off - r->folio_off), part_sz);
-
- /* fetch next folio */
- r->err = freader_get_folio(r, r->folio_off + folio_sz);
- if (r->err)
- return NULL;
-
- /* copy the rest of requested data */
- memcpy(r->buf + part_sz, r->addr, sz - part_sz);
+ u64 part_sz = r->folio_off + folio_sz - file_off, off;
+
+ memcpy(r->buf, r->addr + file_off - r->folio_off, part_sz);
+ off = part_sz;
+
+ while (off < sz) {
+ /* fetch next folio */
+ r->err = freader_get_folio(r, r->folio_off + folio_sz);
+ if (r->err)
+ return NULL;
+ folio_sz = folio_size(r->folio);
+ part_sz = min_t(u64, sz - off, folio_sz);
+ memcpy(r->buf + off, r->addr, part_sz);
+ off += part_sz;
+ }
return r->buf;
}
@@ -147,7 +131,7 @@ static const void *freader_fetch(struct freader *r, loff_t file_off, size_t sz)
return r->addr + (file_off - r->folio_off);
}
-static void freader_cleanup(struct freader *r)
+void freader_cleanup(struct freader *r)
{
if (!r->buf)
return; /* non-file-backed mode */
diff --git a/lib/crypto/mpi/mpicoder.c b/lib/crypto/mpi/mpicoder.c
index 47f6939599b3..bf716a03c704 100644
--- a/lib/crypto/mpi/mpicoder.c
+++ b/lib/crypto/mpi/mpicoder.c
@@ -398,7 +398,7 @@ MPI mpi_read_raw_from_sgl(struct scatterlist *sgl, unsigned int nbytes)
while (sg_miter_next(&miter)) {
buff = miter.addr;
- len = min_t(unsigned, miter.length, nbytes);
+ len = min(miter.length, nbytes);
nbytes -= len;
for (x = 0; x < len; x++) {
diff --git a/lib/kfifo.c b/lib/kfifo.c
index a8b2eed90599..525e66f8294c 100644
--- a/lib/kfifo.c
+++ b/lib/kfifo.c
@@ -22,8 +22,8 @@ static inline unsigned int kfifo_unused(struct __kfifo *fifo)
return (fifo->mask + 1) - (fifo->in - fifo->out);
}
-int __kfifo_alloc(struct __kfifo *fifo, unsigned int size,
- size_t esize, gfp_t gfp_mask)
+int __kfifo_alloc_node(struct __kfifo *fifo, unsigned int size,
+ size_t esize, gfp_t gfp_mask, int node)
{
/*
* round up to the next power of 2, since our 'let the indices
@@ -41,7 +41,7 @@ int __kfifo_alloc(struct __kfifo *fifo, unsigned int size,
return -EINVAL;
}
- fifo->data = kmalloc_array(esize, size, gfp_mask);
+ fifo->data = kmalloc_array_node(esize, size, gfp_mask, node);
if (!fifo->data) {
fifo->mask = 0;
@@ -51,7 +51,7 @@ int __kfifo_alloc(struct __kfifo *fifo, unsigned int size,
return 0;
}
-EXPORT_SYMBOL(__kfifo_alloc);
+EXPORT_SYMBOL(__kfifo_alloc_node);
void __kfifo_free(struct __kfifo *fifo)
{
diff --git a/lib/kunit/Kconfig b/lib/kunit/Kconfig
index 7a6af361d2fc..50ecf55d2b9c 100644
--- a/lib/kunit/Kconfig
+++ b/lib/kunit/Kconfig
@@ -93,6 +93,30 @@ config KUNIT_AUTORUN_ENABLED
In most cases this should be left as Y. Only if additional opt-in
behavior is needed should this be set to N.
+config KUNIT_DEFAULT_FILTER_GLOB
+ string "Default value of the filter_glob module parameter"
+ help
+ Sets the default value of kunit.filter_glob. If set to a non-empty
+ string only matching tests are executed.
+
+ If unsure, leave empty so all tests are executed.
+
+config KUNIT_DEFAULT_FILTER
+ string "Default value of the filter module parameter"
+ help
+ Sets the default value of kunit.filter. If set to a non-empty
+ string only matching tests are executed.
+
+ If unsure, leave empty so all tests are executed.
+
+config KUNIT_DEFAULT_FILTER_ACTION
+ string "Default value of the filter_action module parameter"
+ help
+ Sets the default value of kunit.filter_action. If set to a non-empty
+ string only matching tests are executed.
+
+ If unsure, leave empty so all tests are executed.
+
config KUNIT_DEFAULT_TIMEOUT
int "Default value of the timeout module parameter"
default 300
diff --git a/lib/kunit/executor.c b/lib/kunit/executor.c
index 0061d4c7e351..02ff380ab793 100644
--- a/lib/kunit/executor.c
+++ b/lib/kunit/executor.c
@@ -45,9 +45,11 @@ bool kunit_autorun(void)
return autorun_param;
}
-static char *filter_glob_param;
-static char *filter_param;
-static char *filter_action_param;
+#define PARAM_FROM_CONFIG(config) (config[0] ? config : NULL)
+
+static char *filter_glob_param = PARAM_FROM_CONFIG(CONFIG_KUNIT_DEFAULT_FILTER_GLOB);
+static char *filter_param = PARAM_FROM_CONFIG(CONFIG_KUNIT_DEFAULT_FILTER);
+static char *filter_action_param = PARAM_FROM_CONFIG(CONFIG_KUNIT_DEFAULT_FILTER_ACTION);
module_param_named(filter_glob, filter_glob_param, charp, 0600);
MODULE_PARM_DESC(filter_glob,
diff --git a/lib/tests/printf_kunit.c b/lib/tests/printf_kunit.c
index bc54cca2d7a6..7617e5b8b02c 100644
--- a/lib/tests/printf_kunit.c
+++ b/lib/tests/printf_kunit.c
@@ -504,6 +504,7 @@ time_and_date(struct kunit *kunittest)
};
/* 2019-01-04T15:32:23 */
time64_t t = 1546615943;
+ struct timespec64 ts = { .tv_sec = t, .tv_nsec = 11235813 };
test("(%pt?)", "%pt", &tm);
test("2018-11-26T05:35:43", "%ptR", &tm);
@@ -522,6 +523,9 @@ time_and_date(struct kunit *kunittest)
test("0119-00-04 15:32:23", "%ptTsr", &t);
test("15:32:23|2019-01-04", "%ptTts|%ptTds", &t, &t);
test("15:32:23|0119-00-04", "%ptTtrs|%ptTdrs", &t, &t);
+
+ test("2019-01-04T15:32:23.011235813", "%ptS", &ts);
+ test("1546615943.011235813", "%ptSp", &ts);
}
static void
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index eb0cb11d0d12..a3790c43a0ab 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -582,17 +582,18 @@ char *number(char *buf, char *end, unsigned long long num,
return buf;
}
+#define special_hex_spec(size) \
+(struct printf_spec) { \
+ .field_width = 2 + 2 * (size), /* 0x + hex */ \
+ .flags = SPECIAL | SMALL | ZEROPAD, \
+ .base = 16, \
+ .precision = -1, \
+}
+
static noinline_for_stack
char *special_hex_number(char *buf, char *end, unsigned long long num, int size)
{
- struct printf_spec spec;
-
- spec.field_width = 2 + 2 * size; /* 0x + hex */
- spec.flags = SPECIAL | SMALL | ZEROPAD;
- spec.base = 16;
- spec.precision = -1;
-
- return number(buf, end, num, spec);
+ return number(buf, end, num, special_hex_spec(size));
}
static void move_right(char *buf, char *end, unsigned len, unsigned spaces)
@@ -1164,18 +1165,11 @@ char *range_string(char *buf, char *end, const struct range *range,
char sym[sizeof("[range 0x0123456789abcdef-0x0123456789abcdef]")];
char *p = sym, *pend = sym + sizeof(sym);
- struct printf_spec range_spec = {
- .field_width = 2 + 2 * sizeof(range->start), /* 0x + 2 * 8 */
- .flags = SPECIAL | SMALL | ZEROPAD,
- .base = 16,
- .precision = -1,
- };
-
if (check_pointer(&buf, end, range, spec))
return buf;
p = string_nocheck(p, pend, "[range ", default_str_spec);
- p = hex_range(p, pend, range->start, range->end, range_spec);
+ p = hex_range(p, pend, range->start, range->end, special_hex_spec(sizeof(range->start)));
*p++ = ']';
*p = '\0';
@@ -1928,9 +1922,6 @@ char *rtc_str(char *buf, char *end, const struct rtc_time *tm,
bool found = true;
int count = 2;
- if (check_pointer(&buf, end, tm, spec))
- return buf;
-
switch (fmt[count]) {
case 'd':
have_t = false;
@@ -1993,12 +1984,39 @@ char *time64_str(char *buf, char *end, const time64_t time,
}
static noinline_for_stack
+char *timespec64_str(char *buf, char *end, const struct timespec64 *ts,
+ struct printf_spec spec, const char *fmt)
+{
+ static const struct printf_spec default_dec09_spec = {
+ .base = 10,
+ .field_width = 9,
+ .precision = -1,
+ .flags = ZEROPAD,
+ };
+
+ if (fmt[2] == 'p')
+ buf = number(buf, end, ts->tv_sec, default_dec_spec);
+ else
+ buf = time64_str(buf, end, ts->tv_sec, spec, fmt);
+ if (buf < end)
+ *buf = '.';
+ buf++;
+
+ return number(buf, end, ts->tv_nsec, default_dec09_spec);
+}
+
+static noinline_for_stack
char *time_and_date(char *buf, char *end, void *ptr, struct printf_spec spec,
const char *fmt)
{
+ if (check_pointer(&buf, end, ptr, spec))
+ return buf;
+
switch (fmt[1]) {
case 'R':
return rtc_str(buf, end, (const struct rtc_time *)ptr, spec, fmt);
+ case 'S':
+ return timespec64_str(buf, end, (const struct timespec64 *)ptr, spec, fmt);
case 'T':
return time64_str(buf, end, *(const time64_t *)ptr, spec, fmt);
default:
@@ -2462,9 +2480,11 @@ early_param("no_hash_pointers", no_hash_pointers_enable);
* - 'd[234]' For a dentry name (optionally 2-4 last components)
* - 'D[234]' Same as 'd' but for a struct file
* - 'g' For block_device name (gendisk + partition number)
- * - 't[RT][dt][r][s]' For time and date as represented by:
+ * - 't[RST][dt][r][s]' For time and date as represented by:
* R struct rtc_time
+ * S struct timespec64
* T time64_t
+ * - 'tSp' For time represented by struct timespec64 printed as <seconds>.<nanoseconds>
* - 'C' For a clock, it prints the name (Common Clock Framework) or address
* (legacy clock framework) of the clock
* - 'G' For flags to be printed as a collection of symbolic strings that would
@@ -2883,10 +2903,11 @@ int vsnprintf(char *buf, size_t size, const char *fmt_str, va_list args)
case FORMAT_STATE_NUM: {
unsigned long long num;
- if (fmt.size <= sizeof(int))
- num = convert_num_spec(va_arg(args, int), fmt.size, spec);
- else
+
+ if (fmt.size > sizeof(int))
num = va_arg(args, long long);
+ else
+ num = convert_num_spec(va_arg(args, int), fmt.size, spec);
str = number(str, end, num, spec);
continue;
}
@@ -3054,8 +3075,8 @@ EXPORT_SYMBOL(scnprintf);
* @fmt: The format string to use
* @args: Arguments for the format string
*
- * The function returns the number of characters written
- * into @buf. Use vsnprintf() or vscnprintf() in order to avoid
+ * The return value is the number of characters written into @buf not including
+ * the trailing '\0'. Use vsnprintf() or vscnprintf() in order to avoid
* buffer overflows.
*
* If you're not already dealing with a va_list consider using sprintf().
@@ -3074,8 +3095,8 @@ EXPORT_SYMBOL(vsprintf);
* @fmt: The format string to use
* @...: Arguments for the format string
*
- * The function returns the number of characters written
- * into @buf. Use snprintf() or scnprintf() in order to avoid
+ * The return value is the number of characters written into @buf not including
+ * the trailing '\0'. Use snprintf() or scnprintf() in order to avoid
* buffer overflows.
*
* See the vsnprintf() documentation for format string extensions over C99.
@@ -3394,11 +3415,10 @@ int bstr_printf(char *buf, size_t size, const char *fmt_str, const u32 *bin_buf)
goto out;
case FORMAT_STATE_NUM:
- if (fmt.size > sizeof(int)) {
+ if (fmt.size > sizeof(int))
num = get_arg(long long);
- } else {
+ else
num = convert_num_spec(get_arg(int), fmt.size, spec);
- }
str = number(str, end, num, spec);
continue;
}
generated by cgit v1.2.3 (git 2.46.0) at 2025-12-04 08:54:00 +0000