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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-09-21 09:23:55 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-09-21 09:23:55 +0200
commit33f16b25a091687388152d4b29593a39d819aa22 (patch)
tree34a8ef8acf3f14ca0e4f514756222876d00ff202 /arch/x86/include/asm/frame.h
parent23f87274f0ad4a9167de23a330ed88966634fdf6 (diff)
parentba4f184e126b751d1bffad5897f263108befc780 (diff)
Merge 5.9.0-rc6 into tty-next
We need the tty/serial fixes in here and this resolves a merge issue in the 8250 driver. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/x86/include/asm/frame.h')
-rw-r--r--arch/x86/include/asm/frame.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/x86/include/asm/frame.h b/arch/x86/include/asm/frame.h
index 296b346184b2..fb42659f6e98 100644
--- a/arch/x86/include/asm/frame.h
+++ b/arch/x86/include/asm/frame.h
@@ -60,12 +60,26 @@
#define FRAME_END "pop %" _ASM_BP "\n"
#ifdef CONFIG_X86_64
+
#define ENCODE_FRAME_POINTER \
"lea 1(%rsp), %rbp\n\t"
+
+static inline unsigned long encode_frame_pointer(struct pt_regs *regs)
+{
+ return (unsigned long)regs + 1;
+}
+
#else /* !CONFIG_X86_64 */
+
#define ENCODE_FRAME_POINTER \
"movl %esp, %ebp\n\t" \
"andl $0x7fffffff, %ebp\n\t"
+
+static inline unsigned long encode_frame_pointer(struct pt_regs *regs)
+{
+ return (unsigned long)regs & 0x7fffffff;
+}
+
#endif /* CONFIG_X86_64 */
#endif /* __ASSEMBLY__ */
@@ -83,6 +97,11 @@
#define ENCODE_FRAME_POINTER
+static inline unsigned long encode_frame_pointer(struct pt_regs *regs)
+{
+ return 0;
+}
+
#endif
#define FRAME_BEGIN