diff options
| author | Dan Williams <dan.j.williams@intel.com> | 2020-10-19 21:08:03 -0700 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2020-10-26 18:08:35 +0100 |
| commit | 3adb776384f2042ef6bda876e91a7a7ac2872c5e (patch) | |
| tree | 2f0a3e417f1fbe1309ebbd487afdbf4af70375c8 /arch/x86/lib | |
| parent | 8d71d2bf6efec3032208958c483a247f529ffb16 (diff) | |
x86, libnvdimm/test: Remove COPY_MC_TEST
The COPY_MC_TEST facility has served its purpose for validating the
early termination conditions of the copy_mc_fragile() implementation.
Remove it and the EXPORT_SYMBOL_GPL of copy_mc_fragile().
Reported-by: Borislav Petkov <bp@alien8.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/160316688322.3374697.8648308115165836243.stgit@dwillia2-desk3.amr.corp.intel.com
Diffstat (limited to 'arch/x86/lib')
| -rw-r--r-- | arch/x86/lib/copy_mc.c | 4 | ||||
| -rw-r--r-- | arch/x86/lib/copy_mc_64.S | 10 |
2 files changed, 0 insertions, 14 deletions
diff --git a/arch/x86/lib/copy_mc.c b/arch/x86/lib/copy_mc.c index c13e8c9ee926..80efd45a7761 100644 --- a/arch/x86/lib/copy_mc.c +++ b/arch/x86/lib/copy_mc.c @@ -10,10 +10,6 @@ #include <asm/mce.h> #ifdef CONFIG_X86_MCE -/* - * See COPY_MC_TEST for self-test of the copy_mc_fragile() - * implementation. - */ static DEFINE_STATIC_KEY_FALSE(copy_mc_fragile_key); void enable_copy_mc_fragile(void) diff --git a/arch/x86/lib/copy_mc_64.S b/arch/x86/lib/copy_mc_64.S index 892d8915f609..e5f77e293034 100644 --- a/arch/x86/lib/copy_mc_64.S +++ b/arch/x86/lib/copy_mc_64.S @@ -2,14 +2,11 @@ /* Copyright(c) 2016-2020 Intel Corporation. All rights reserved. */ #include <linux/linkage.h> -#include <asm/copy_mc_test.h> -#include <asm/export.h> #include <asm/asm.h> #ifndef CONFIG_UML #ifdef CONFIG_X86_MCE -COPY_MC_TEST_CTL /* * copy_mc_fragile - copy memory with indication if an exception / fault happened @@ -38,8 +35,6 @@ SYM_FUNC_START(copy_mc_fragile) subl %ecx, %edx .L_read_leading_bytes: movb (%rsi), %al - COPY_MC_TEST_SRC %rsi 1 .E_leading_bytes - COPY_MC_TEST_DST %rdi 1 .E_leading_bytes .L_write_leading_bytes: movb %al, (%rdi) incq %rsi @@ -55,8 +50,6 @@ SYM_FUNC_START(copy_mc_fragile) .L_read_words: movq (%rsi), %r8 - COPY_MC_TEST_SRC %rsi 8 .E_read_words - COPY_MC_TEST_DST %rdi 8 .E_write_words .L_write_words: movq %r8, (%rdi) addq $8, %rsi @@ -73,8 +66,6 @@ SYM_FUNC_START(copy_mc_fragile) movl %edx, %ecx .L_read_trailing_bytes: movb (%rsi), %al - COPY_MC_TEST_SRC %rsi 1 .E_trailing_bytes - COPY_MC_TEST_DST %rdi 1 .E_trailing_bytes .L_write_trailing_bytes: movb %al, (%rdi) incq %rsi @@ -88,7 +79,6 @@ SYM_FUNC_START(copy_mc_fragile) .L_done: ret SYM_FUNC_END(copy_mc_fragile) -EXPORT_SYMBOL_GPL(copy_mc_fragile) .section .fixup, "ax" /* |