Thread (76 messages) 76 messages, 7 authors, 2016-01-07

[PATCH v6 04/20] arm64: change some CONFIG_COMPAT over to use CONFIG_AARCH32_EL0 instead

From: Yury Norov <hidden>
Date: 2015-12-23 14:18:34
Also in: lkml

On Wed, Dec 16, 2015 at 12:42:30AM +0300, Yury Norov wrote:
quoted hunk ↗ jump to hunk
--- a/arch/arm64/include/asm/unistd.h
+++ b/arch/arm64/include/asm/unistd.h
@@ -13,9 +13,8 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-#ifdef CONFIG_COMPAT
+#ifdef CONFIG_AARCH32_EL0
 #define __ARCH_WANT_COMPAT_SYS_GETDENTS64
-#define __ARCH_WANT_COMPAT_STAT64
 #define __ARCH_WANT_SYS_GETHOSTNAME
 #define __ARCH_WANT_SYS_PAUSE
 #define __ARCH_WANT_SYS_GETPGRP
@@ -26,7 +25,9 @@
 #define __ARCH_WANT_COMPAT_SYS_SENDFILE
 #define __ARCH_WANT_SYS_FORK
 #define __ARCH_WANT_SYS_VFORK
+#endif
 
+#ifdef CONFIG_COMPAT
It seems like __NR_compat_* and __ARM_NR_compat_*
are needed by aarch32 only. If so, it should not be
defined for ilp32. And the only common definition
here would be __ARCH_WANT_COMPAT_STAT64.
quoted hunk ↗ jump to hunk
 /*
  * Compat syscall numbers used by the AArch64 kernel.
  */
@@ -44,6 +45,8 @@
 #define __ARM_NR_compat_cacheflush	(__ARM_NR_COMPAT_BASE+2)
 #define __ARM_NR_compat_set_tls		(__ARM_NR_COMPAT_BASE+5)
 
+#define __ARCH_WANT_COMPAT_STAT64
+
 #define __NR_compat_syscalls		390
 #endif
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