From: Christian Eggers Date: Thu, 20 Mar 2025 21:33:51 +0000 (+0100) Subject: ARM: 9444/1: add KEEP() keyword to ARM_VECTORS X-Git-Tag: v6.15-rc1~34^2~1 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=c3d944a367c0d9e4e125c7006e52f352e75776dc;p=thirdparty%2Fkernel%2Flinux.git ARM: 9444/1: add KEEP() keyword to ARM_VECTORS Without this, the vectors are removed if LD_DEAD_CODE_DATA_ELIMINATION is enabled. At startup, the CPU (silently) hangs in the undefined instruction exception as soon as the first timer interrupt arrives. On my setup, the system also boots fine without the 2nd and 3rd KEEP() statements, so I cannot tell whether these are actually required. [nathan: Use OVERLAY_KEEP() to avoid breaking old ld.lld versions] Cc: stable@vger.kernel.org Fixes: ed0f94102251 ("ARM: 9404/1: arm32: enable HAVE_LD_DEAD_CODE_DATA_ELIMINATION") Signed-off-by: Christian Eggers Reviewed-by: Linus Walleij Signed-off-by: Nathan Chancellor Signed-off-by: Russell King (Oracle) --- diff --git a/arch/arm/include/asm/vmlinux.lds.h b/arch/arm/include/asm/vmlinux.lds.h index a54db342653ab..0341973e30e1c 100644 --- a/arch/arm/include/asm/vmlinux.lds.h +++ b/arch/arm/include/asm/vmlinux.lds.h @@ -131,13 +131,13 @@ __vectors_lma = .; \ OVERLAY 0xffff0000 : NOCROSSREFS AT(__vectors_lma) { \ .vectors { \ - *(.vectors) \ + OVERLAY_KEEP(*(.vectors)) \ } \ .vectors.bhb.loop8 { \ - *(.vectors.bhb.loop8) \ + OVERLAY_KEEP(*(.vectors.bhb.loop8)) \ } \ .vectors.bhb.bpiall { \ - *(.vectors.bhb.bpiall) \ + OVERLAY_KEEP(*(.vectors.bhb.bpiall)) \ } \ } \ ARM_LMA(__vectors, .vectors); \