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x86/amd_gart: print stacktrace for a leak with KERN_ERR 

It's under CONFIG_IOMMU_LEAK option which is enabled by debug config.
Likely the backtrace is worth to be seen - so aligning with log level of
error message in iommu_full().

Signed-off-by: Dmitry Safonov <dima@arista.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20200418201944.482088-46-dima@arista.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Dmitry Safonov 2020-06-08 21:32:13 -07:00 committed by Linus Torvalds
parent ab34b46d1a
commit 9ed5b01a36
1 changed files with 1 additions and 1 deletions
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2
arch/x86/kernel/amd_gart_64.c
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@ -159,7 +159,7 @@ static void dump_leak(void)
return;
dump = 1;
show_stack(NULL, NULL);
show_stack_loglvl(NULL, NULL, KERN_ERR);
debug_dma_dump_mappings(NULL);
}
#endif