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ia32: Clearify if 32bit C/R is compile-disabled

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Point that ia32 C/R was disabled due to missed packages.

Signed-off-by: Dmitry Safonov <dsafonov@virtuozzo.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
This commit is contained in:
Dmitry Safonov 2017-04-21 14:15:05 +03:00 committed by Andrei Vagin
parent 33385148cb
commit f830c2d8d0
2 changed files with 7 additions and 0 deletions
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3
Makefile.config
View File

@ -24,6 +24,9 @@ ifeq ($(SRCARCH),x86)
ifeq ($(call try-cc,$(FEATURE_TEST_X86_COMPAT),-m32),true) ifeq ($(call try-cc,$(FEATURE_TEST_X86_COMPAT),-m32),true)
export CONFIG_COMPAT := y export CONFIG_COMPAT := y
FEATURE_DEFINES += -DCONFIG_COMPAT FEATURE_DEFINES += -DCONFIG_COMPAT
else
$(info Note: Building without ia32 C/R, missed packages:)
$(info $(info) libc6-dev-i386, gcc-multilib)
endif endif
endif endif

4
criu/cr-check.c
View File

@ -1057,9 +1057,13 @@ static int check_loginuid(void)
static int check_compat_cr(void) static int check_compat_cr(void)
{ {
#ifdef CONFIG_COMPAT
if (kdat_compat_sigreturn_test()) if (kdat_compat_sigreturn_test())
return 0; return 0;
pr_warn("compat_cr is not supported. Requires kernel >= v4.9\n"); pr_warn("compat_cr is not supported. Requires kernel >= v4.9\n");
#else
pr_warn("CRIU built without CONFIG_COMPAT - can't C/R ia32\n");
#endif
return -1; return -1;
} }