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powerpc/fsl: Fixed warning: orphan section `__btb_flush_fixup'

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Fixed the following build warning:
powerpc-linux-gnu-ld: warning: orphan section `__btb_flush_fixup' from
`arch/powerpc/kernel/head_44x.o' being placed in section
`__btb_flush_fixup'.

Signed-off-by: Diana Craciun <diana.craciun@nxp.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Diana Craciun 2018-12-23 22:34:25 +02:00 committed by Michael Ellerman
parent 8d6973327e
commit 039daac552
1 changed files with 12 additions and 6 deletions
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18
arch/powerpc/kernel/head_booke.h
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@ -32,6 +32,16 @@
*/ */
#define THREAD_NORMSAVE(offset) (THREAD_NORMSAVES + (offset * 4)) #define THREAD_NORMSAVE(offset) (THREAD_NORMSAVES + (offset * 4))
#ifdef CONFIG_PPC_FSL_BOOK3E
#define BOOKE_CLEAR_BTB(reg) \
START_BTB_FLUSH_SECTION \
BTB_FLUSH(reg) \
END_BTB_FLUSH_SECTION
#else
#define BOOKE_CLEAR_BTB(reg)
#endif
#define NORMAL_EXCEPTION_PROLOG(intno) \ #define NORMAL_EXCEPTION_PROLOG(intno) \
mtspr SPRN_SPRG_WSCRATCH0, r10; /* save one register */ \ mtspr SPRN_SPRG_WSCRATCH0, r10; /* save one register */ \
mfspr r10, SPRN_SPRG_THREAD; \ mfspr r10, SPRN_SPRG_THREAD; \
@ -43,9 +53,7 @@
andi. r11, r11, MSR_PR; /* check whether user or kernel */\ andi. r11, r11, MSR_PR; /* check whether user or kernel */\
mr r11, r1; \ mr r11, r1; \
beq 1f; \ beq 1f; \
START_BTB_FLUSH_SECTION \ BOOKE_CLEAR_BTB(r11) \
BTB_FLUSH(r11) \
END_BTB_FLUSH_SECTION \
/* if from user, start at top of this thread's kernel stack */ \ /* if from user, start at top of this thread's kernel stack */ \
lwz r11, THREAD_INFO-THREAD(r10); \ lwz r11, THREAD_INFO-THREAD(r10); \
ALLOC_STACK_FRAME(r11, THREAD_SIZE); \ ALLOC_STACK_FRAME(r11, THREAD_SIZE); \
@ -131,9 +139,7 @@ END_BTB_FLUSH_SECTION \
stw r9,_CCR(r8); /* save CR on stack */\ stw r9,_CCR(r8); /* save CR on stack */\
mfspr r11,exc_level_srr1; /* check whether user or kernel */\ mfspr r11,exc_level_srr1; /* check whether user or kernel */\
DO_KVM BOOKE_INTERRUPT_##intno exc_level_srr1; \ DO_KVM BOOKE_INTERRUPT_##intno exc_level_srr1; \
START_BTB_FLUSH_SECTION \ BOOKE_CLEAR_BTB(r10) \
BTB_FLUSH(r10) \
END_BTB_FLUSH_SECTION \
andi. r11,r11,MSR_PR; \ andi. r11,r11,MSR_PR; \
mfspr r11,SPRN_SPRG_THREAD; /* if from user, start at top of */\ mfspr r11,SPRN_SPRG_THREAD; /* if from user, start at top of */\
lwz r11,THREAD_INFO-THREAD(r11); /* this thread's kernel stack */\ lwz r11,THREAD_INFO-THREAD(r11); /* this thread's kernel stack */\