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f7881bd644
All the lines printed by mem_init are independent, with each ending with
a newline. While they logically form a large block, none are actually
continuations of previous lines.
The kernel-side printk code and the userspace demsg tool differ in their
handling of KERN_CONT following a newline, and while this isn't always a
problem kernel-side, it does cause difficulty for userspace. Using
pr_cont causes the userspace tool to not print line prefix (e.g.
timestamps) even when following a newline, mis-aligning the output and
making it harder to read, e.g.
[ 0.000000] Virtual kernel memory layout:
[ 0.000000] modules : 0xffff000000000000 - 0xffff000008000000 ( 128 MB)
vmalloc : 0xffff000008000000 - 0xffff7dffbfff0000 (129022 GB)
.text : 0xffff000008080000 - 0xffff0000088b0000 ( 8384 KB)
.rodata : 0xffff0000088b0000 - 0xffff000008c50000 ( 3712 KB)
.init : 0xffff000008c50000 - 0xffff000008d50000 ( 1024 KB)
.data : 0xffff000008d50000 - 0xffff000008e25200 ( 853 KB)
.bss : 0xffff000008e25200 - 0xffff000008e6bec0 ( 284 KB)
fixed : 0xffff7dfffe7fd000 - 0xffff7dfffec00000 ( 4108 KB)
PCI I/O : 0xffff7dfffee00000 - 0xffff7dffffe00000 ( 16 MB)
vmemmap : 0xffff7e0000000000 - 0xffff800000000000 ( 2048 GB maximum)
0xffff7e0000000000 - 0xffff7e0026000000 ( 608 MB actual)
memory : 0xffff800000000000 - 0xffff800980000000 ( 38912 MB)
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=6, Nodes=1
Fix this by using pr_notice consistently for all lines, which both the
kernel and userspace are happy with.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: James Morse <james.morse@arm.com>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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|---|---|---|
| .. | ||
| cache.S | ||
| context.c | ||
| copypage.c | ||
| dma-mapping.c | ||
| dump.c | ||
| extable.c | ||
| fault.c | ||
| flush.c | ||
| hugetlbpage.c | ||
| init.c | ||
| ioremap.c | ||
| kasan_init.c | ||
| Makefile | ||
| mmap.c | ||
| mmu.c | ||
| numa.c | ||
| pageattr.c | ||
| pgd.c | ||
| proc.S | ||