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Commit cf8a056a authored by Anton Blanchard's avatar Anton Blanchard Committed by Benjamin Herrenschmidt
Browse files

powerpc: Clean up lppaca->cede_latency_hint 



We have a union containing fields from the old iseries hypervisor
that has been reused for the cede latency hint. Since we no
longer support iseries, remove the union completely.

Signed-off-by: default avatarAnton Blanchard <anton@samba.org>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent fd6c40f3

arch/powerpc/include/asm/lppaca.h

+3 −13
Original line number Diff line number Diff line
@@ -107,19 +107,9 @@ struct lppaca { 
	// pass the target SRR0/1 from SLIC to PLIC on a SetAsrAndRfid.

	u64	saved_srr0;		// Saved SRR0                   x10-x17

	u64	saved_srr1;		// Saved SRR1                   x18-x1F



	// Used to pass parms from the OS to PLIC for SetAsrAndRfid

	u64	saved_gpr3;		// Saved GPR3                   x20-x27

	u64	saved_gpr4;		// Saved GPR4                   x28-x2F

	union {

		u64	saved_gpr5;	/* Saved GPR5               x30-x37 */

		struct {

	u64	reserved5[2];		/*			    x20-x2F */

	u8	cede_latency_hint;	/*				x30 */

			u8	reserved[7];        /*		    x31-x36 */

		} fields;

	} gpr5_dword;





	u8	reserved[7];		/*			    x31-x37 */

	u8	dtl_enable_mask;	// Dispatch Trace Log mask	x38-x38

	u8	donate_dedicated_cpu;	// Donate dedicated CPU cycles  x39-x39

	u8	fpregs_in_use;		// FP regs in use               x3A-x3A

arch/powerpc/platforms/pseries/plpar_wrappers.h

+2 −2
Original line number Diff line number Diff line
@@ -22,12 +22,12 @@ static inline long poll_pending(void) 


static inline u8 get_cede_latency_hint(void)

{

	return get_lppaca()->gpr5_dword.fields.cede_latency_hint;

	return get_lppaca()->cede_latency_hint;

}



static inline void set_cede_latency_hint(u8 latency_hint)

{

	get_lppaca()->gpr5_dword.fields.cede_latency_hint = latency_hint;

	get_lppaca()->cede_latency_hint = latency_hint;

}



static inline long cede_processor(void)