Commit 65acbd12 authored by Gautam Menghani's avatar Gautam Menghani Committed by Madhavan Srinivasan
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arch/powerpc: Remove unused function icp_native_cause_ipi_rm() 



Remove icp_native_cause_ipi_rm() as it has no callers since
commit 53af3ba2("KVM: PPC: Book3S HV: Allow guest exit path to have
MMU on")

Signed-off-by: default avatarGautam Menghani <gautam@linux.ibm.com>
Reviewed-by: default avatarRitesh Harjani (IBM) <ritesh.list@gmail.com>
Signed-off-by: default avatarMadhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/20250101134251.436679-1-gautam@linux.ibm.com
parent f17bcb97

arch/powerpc/include/asm/xics.h

+0 −1
Original line number Diff line number Diff line
@@ -31,7 +31,6 @@ 
#ifdef CONFIG_PPC_ICP_NATIVE

extern int icp_native_init(void);

extern void icp_native_flush_interrupt(void);

extern void icp_native_cause_ipi_rm(int cpu);

#else

static inline int icp_native_init(void) { return -ENODEV; }

#endif

arch/powerpc/sysdev/xics/icp-native.c

+0 −21
Original line number Diff line number Diff line
@@ -145,27 +145,6 @@ static void icp_native_cause_ipi(int cpu) 
	icp_native_set_qirr(cpu, IPI_PRIORITY);

}



#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE

void icp_native_cause_ipi_rm(int cpu)

{

	/*

	 * Currently not used to send IPIs to another CPU

	 * on the same core. Only caller is KVM real mode.

	 * Need the physical address of the XICS to be

	 * previously saved in kvm_hstate in the paca.

	 */

	void __iomem *xics_phys;



	/*

	 * Just like the cause_ipi functions, it is required to

	 * include a full barrier before causing the IPI.

	 */

	xics_phys = paca_ptrs[cpu]->kvm_hstate.xics_phys;

	mb();

	__raw_rm_writeb(IPI_PRIORITY, xics_phys + XICS_MFRR);

}

#endif



/*

 * Called when an interrupt is received on an off-line CPU to

 * clear the interrupt, so that the CPU can go back to nap mode.