+ x86-amd_gart-print-stacktrace-for-a-leak-with-kern_err.patch added to -mm tree

+ x86-amd_gart-print-stacktrace-for-a-leak-with-kern_err.patch added to -mm tree

[akpm]

The patch titled
     Subject: x86/amd_gart: print stacktrace for a leak with KERN_ERR
has been added to the -mm tree.  Its filename is
     x86-amd_gart-print-stacktrace-for-a-leak-with-kern_err.patch

This patch should soon appear at
    http://ozlabs.org/~akpm/mmots/broken-out/x86-amd_gart-print-stacktrace-for-a-leak-with-kern_err.patch
and later at
    http://ozlabs.org/~akpm/mmotm/broken-out/x86-amd_gart-print-stacktrace-for-a-leak-with-kern_err.patch

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------------------------------------------------------
From: Dmitry Safonov <dima@arista.com>
Subject: 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().

Link: http://lkml.kernel.org/r/20200418201944.482088-46-dima@arista.com
Signed-off-by: Dmitry Safonov <dima@arista.com>
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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 arch/x86/kernel/amd_gart_64.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/x86/kernel/amd_gart_64.c~x86-amd_gart-print-stacktrace-for-a-leak-with-kern_err
+++ a/arch/x86/kernel/amd_gart_64.c
@@ -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
_

Patches currently in -mm which might be from dima@arista.com are

kallsyms-printk-add-loglvl-to-print_ip_sym.patch
alpha-add-show_stack_loglvl.patch
arc-add-show_stack_loglvl.patch
arm-asm-add-loglvl-to-c_backtrace.patch
arm-add-loglvl-to-unwind_backtrace.patch
arm-add-loglvl-to-dump_backtrace.patch
arm-wire-up-dump_backtrace_entrystm.patch
arm-add-show_stack_loglvl.patch
arm64-add-loglvl-to-dump_backtrace.patch
arm64-add-show_stack_loglvl.patch
c6x-add-show_stack_loglvl.patch
csky-add-show_stack_loglvl.patch
h8300-add-show_stack_loglvl.patch
hexagon-add-show_stack_loglvl.patch
ia64-pass-log-level-as-arg-into-ia64_do_show_stack.patch
ia64-add-show_stack_loglvl.patch
m68k-add-show_stack_loglvl.patch
microblaze-add-loglvl-to-microblaze_unwind_inner.patch
microblaze-add-loglvl-to-microblaze_unwind.patch
microblaze-add-show_stack_loglvl.patch
mips-add-show_stack_loglvl.patch
nds32-add-show_stack_loglvl.patch
nios2-add-show_stack_loglvl.patch
openrisc-add-show_stack_loglvl.patch
parisc-add-show_stack_loglvl.patch
powerpc-add-show_stack_loglvl.patch
riscv-add-show_stack_loglvl.patch
s390-add-show_stack_loglvl.patch
sh-add-loglvl-to-dump_mem.patch
sh-remove-needless-printk.patch
sh-add-loglvl-to-printk_address.patch
sh-add-loglvl-to-show_trace.patch
sh-add-show_stack_loglvl.patch
sparc-add-show_stack_loglvl.patch
um-sysrq-remove-needless-variable-sp.patch
um-add-show_stack_loglvl.patch
unicore32-remove-unused-pmode-argument-in-c_backtrace.patch
unicore32-add-loglvl-to-c_backtrace.patch
unicore32-add-show_stack_loglvl.patch
x86-add-missing-const-qualifiers-for-log_lvl.patch
x86-add-show_stack_loglvl.patch
xtensa-add-loglvl-to-show_trace.patch
xtensa-add-show_stack_loglvl.patch
sysrq-use-show_stack_loglvl.patch
x86-amd_gart-print-stacktrace-for-a-leak-with-kern_err.patch
power-use-show_stack_loglvl.patch
kdb-dont-play-with-console_loglevel.patch
sched-print-stack-trace-with-kern_info.patch
kernel-use-show_stack_loglvl.patch
kernel-rename-show_stack_loglvl-=-show_stack.patch