Thread (45 messages) 45 messages, 9 authors, 2021-10-05

Re: [PATCH 10/10] vmlinux.lds.h: remove old check for GCC 4.9

From: Nathan Chancellor <nathan@kernel.org>
Date: 2021-09-10 23:51:00
Also in: lkml

On 9/10/2021 4:40 PM, Nick Desaulniers wrote:
quoted hunk ↗ jump to hunk
Now that GCC 5.1 is the minimally supported version of GCC, we can
effectively revert

commit 85c2ce9104eb ("sched, vmlinux.lds: Increase STRUCT_ALIGNMENT to
64 bytes for GCC-4.9")

Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Nick Desaulniers <redacted>
---
  include/asm-generic/vmlinux.lds.h | 4 ----
  1 file changed, 4 deletions(-)
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index aa50bf2959fe..f2984af2b85b 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -116,11 +116,7 @@
   * GCC 4.5 and later have a 32 bytes section alignment for structures.
   * Except GCC 4.9, that feels the need to align on 64 bytes.
Comment should be adjusted.
   */
-#if __GNUC__ == 4 && __GNUC_MINOR__ == 9
-#define STRUCT_ALIGNMENT 64
-#else
  #define STRUCT_ALIGNMENT 32
-#endif
  #define STRUCT_ALIGN() . = ALIGN(STRUCT_ALIGNMENT)
  
  /*
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