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authorPeter Zijlstra <[email protected]>2021-10-26 14:01:38 +0200
committerPeter Zijlstra <[email protected]>2021-10-28 23:25:26 +0200
commita92ede2d584a2e070def59c7e47e6b6f6341c55c (patch)
tree9460060893d7bd3f4d05a66494f25e6f47d01948
parent4fe79e710d9574a14993f8b4e16b7252da72d5e8 (diff)
x86/asm: Fix register order
Ensure the register order is correct; this allows for easy translation between register number and trampoline and vice-versa. Signed-off-by: Peter Zijlstra (Intel) <[email protected]> Reviewed-by: Borislav Petkov <[email protected]> Acked-by: Josh Poimboeuf <[email protected]> Tested-by: Alexei Starovoitov <[email protected]> Link: https://lore.kernel.org/r/[email protected]
-rw-r--r--arch/x86/include/asm/GEN-for-each-reg.h14
1 files changed, 10 insertions, 4 deletions
diff --git a/arch/x86/include/asm/GEN-for-each-reg.h b/arch/x86/include/asm/GEN-for-each-reg.h
index 1b07fb102c4e..07949102a08d 100644
--- a/arch/x86/include/asm/GEN-for-each-reg.h
+++ b/arch/x86/include/asm/GEN-for-each-reg.h
@@ -1,11 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * These are in machine order; things rely on that.
+ */
#ifdef CONFIG_64BIT
GEN(rax)
-GEN(rbx)
GEN(rcx)
GEN(rdx)
+GEN(rbx)
+GEN(rsp)
+GEN(rbp)
GEN(rsi)
GEN(rdi)
-GEN(rbp)
GEN(r8)
GEN(r9)
GEN(r10)
@@ -16,10 +21,11 @@ GEN(r14)
GEN(r15)
#else
GEN(eax)
-GEN(ebx)
GEN(ecx)
GEN(edx)
+GEN(ebx)
+GEN(esp)
+GEN(ebp)
GEN(esi)
GEN(edi)
-GEN(ebp)
#endif