diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Makefile | 2 | ||||
| -rw-r--r-- | lib/bitmap.c | 22 | ||||
| -rw-r--r-- | lib/dynamic_printk.c | 4 | ||||
| -rw-r--r-- | lib/string_helpers.c | 34 | ||||
| -rw-r--r-- | lib/swiotlb.c | 6 |
5 files changed, 49 insertions, 19 deletions
diff --git a/lib/Makefile b/lib/Makefile index 16feaab057b2..7cb65d85aeb0 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -2,7 +2,7 @@ # Makefile for some libs needed in the kernel. # -ifdef CONFIG_FTRACE +ifdef CONFIG_FUNCTION_TRACER ORIG_CFLAGS := $(KBUILD_CFLAGS) KBUILD_CFLAGS = $(subst -pg,,$(ORIG_CFLAGS)) endif diff --git a/lib/bitmap.c b/lib/bitmap.c index 482df94ea21e..1338469ac849 100644 --- a/lib/bitmap.c +++ b/lib/bitmap.c @@ -996,3 +996,25 @@ int bitmap_allocate_region(unsigned long *bitmap, int pos, int order) return 0; } EXPORT_SYMBOL(bitmap_allocate_region); + +/** + * bitmap_copy_le - copy a bitmap, putting the bits into little-endian order. + * @dst: destination buffer + * @src: bitmap to copy + * @nbits: number of bits in the bitmap + * + * Require nbits % BITS_PER_LONG == 0. + */ +void bitmap_copy_le(void *dst, const unsigned long *src, int nbits) +{ + unsigned long *d = dst; + int i; + + for (i = 0; i < nbits/BITS_PER_LONG; i++) { + if (BITS_PER_LONG == 64) + d[i] = cpu_to_le64(src[i]); + else + d[i] = cpu_to_le32(src[i]); + } +} +EXPORT_SYMBOL(bitmap_copy_le); diff --git a/lib/dynamic_printk.c b/lib/dynamic_printk.c index d640f87bdc9e..d83660fd6fdd 100644 --- a/lib/dynamic_printk.c +++ b/lib/dynamic_printk.c @@ -402,6 +402,8 @@ static int __init dynamic_printk_init(void) iter->logical_modname, iter->flag_names, iter->hash, iter->hash2); } + if (dynamic_enabled == DYNAMIC_ENABLED_ALL) + set_all(true); return 0; } module_init(dynamic_printk_init); @@ -411,7 +413,7 @@ static int __init dynamic_printk_setup(char *str) { if (str) return -ENOENT; - set_all(true); + dynamic_enabled = DYNAMIC_ENABLED_ALL; return 0; } /* Use early_param(), so we can get debug output as early as possible */ diff --git a/lib/string_helpers.c b/lib/string_helpers.c index 8347925030ff..ab431d4cc970 100644 --- a/lib/string_helpers.c +++ b/lib/string_helpers.c @@ -23,7 +23,7 @@ int string_get_size(u64 size, const enum string_size_units units, char *buf, int len) { - const char *units_10[] = { "B", "KB", "MB", "GB", "TB", "PB", + const char *units_10[] = { "B", "kB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB", NULL}; const char *units_2[] = {"B", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB", "ZiB", "YiB", NULL }; @@ -31,7 +31,7 @@ int string_get_size(u64 size, const enum string_size_units units, [STRING_UNITS_10] = units_10, [STRING_UNITS_2] = units_2, }; - const int divisor[] = { + const unsigned int divisor[] = { [STRING_UNITS_10] = 1000, [STRING_UNITS_2] = 1024, }; @@ -40,23 +40,27 @@ int string_get_size(u64 size, const enum string_size_units units, char tmp[8]; tmp[0] = '\0'; + i = 0; + if (size >= divisor[units]) { + while (size >= divisor[units] && units_str[units][i]) { + remainder = do_div(size, divisor[units]); + i++; + } - for (i = 0; size > divisor[units] && units_str[units][i]; i++) - remainder = do_div(size, divisor[units]); + sf_cap = size; + for (j = 0; sf_cap*10 < 1000; j++) + sf_cap *= 10; - sf_cap = size; - for (j = 0; sf_cap*10 < 1000; j++) - sf_cap *= 10; - - if (j) { - remainder *= 1000; - do_div(remainder, divisor[units]); - snprintf(tmp, sizeof(tmp), ".%03lld", - (unsigned long long)remainder); - tmp[j+1] = '\0'; + if (j) { + remainder *= 1000; + do_div(remainder, divisor[units]); + snprintf(tmp, sizeof(tmp), ".%03lld", + (unsigned long long)remainder); + tmp[j+1] = '\0'; + } } - snprintf(buf, len, "%lld%s%s", (unsigned long long)size, + snprintf(buf, len, "%lld%s %s", (unsigned long long)size, tmp, units_str[units][i]); return 0; diff --git a/lib/swiotlb.c b/lib/swiotlb.c index f8eebd489149..78330c37a61b 100644 --- a/lib/swiotlb.c +++ b/lib/swiotlb.c @@ -497,8 +497,10 @@ swiotlb_alloc_coherent(struct device *hwdev, size_t size, printk("hwdev DMA mask = 0x%016Lx, dev_addr = 0x%016Lx\n", (unsigned long long)*hwdev->dma_mask, (unsigned long long)dev_addr); - panic("swiotlb_alloc_coherent: allocated memory is out of " - "range for device"); + + /* DMA_TO_DEVICE to avoid memcpy in unmap_single */ + unmap_single(hwdev, ret, size, DMA_TO_DEVICE); + return NULL; } *dma_handle = dev_addr; return ret; |