diff options
author | Michael Ellerman <mpe@ellerman.id.au> | 2022-12-08 23:57:47 +1100 |
---|---|---|
committer | Michael Ellerman <mpe@ellerman.id.au> | 2022-12-08 23:57:47 +1100 |
commit | f24f21c4122e837fa031cc512a7f20eb8c554c5e (patch) | |
tree | b19acb396850fbfb36218329659b926446c24914 /arch/powerpc/kvm | |
parent | 64fdcbcc064966bbf261bb455876dffa58858d32 (diff) | |
parent | a39818a3fb2bf12ae945a7c5fba8c5d9048a0e96 (diff) |
Merge branch 'topic/objtool' into next
Merge the powerpc objtool support, which we were keeping in a topic
branch in case of any merge conflicts.
Diffstat (limited to 'arch/powerpc/kvm')
-rw-r--r-- | arch/powerpc/kvm/book3s_hv_interrupts.S | 4 | ||||
-rw-r--r-- | arch/powerpc/kvm/book3s_hv_rmhandlers.S | 25 | ||||
-rw-r--r-- | arch/powerpc/kvm/fpu.S | 17 |
3 files changed, 33 insertions, 13 deletions
diff --git a/arch/powerpc/kvm/book3s_hv_interrupts.S b/arch/powerpc/kvm/book3s_hv_interrupts.S index 59d89e4b154a..c0deeea7eef3 100644 --- a/arch/powerpc/kvm/book3s_hv_interrupts.S +++ b/arch/powerpc/kvm/book3s_hv_interrupts.S @@ -9,6 +9,7 @@ * Authors: Alexander Graf <agraf@suse.de> */ +#include <linux/linkage.h> #include <asm/ppc_asm.h> #include <asm/kvm_asm.h> #include <asm/reg.h> @@ -107,7 +108,7 @@ END_FTR_SECTION_IFCLR(CPU_FTR_ARCH_207S) /* * void kvmhv_save_host_pmu(void) */ -kvmhv_save_host_pmu: +SYM_FUNC_START_LOCAL(kvmhv_save_host_pmu) BEGIN_FTR_SECTION /* Work around P8 PMAE bug */ li r3, -1 @@ -154,3 +155,4 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S) stw r8, HSTATE_PMC5(r13) stw r9, HSTATE_PMC6(r13) 31: blr +SYM_FUNC_END(kvmhv_save_host_pmu) diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S index a9e162a1deec..acf80915f406 100644 --- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S +++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S @@ -10,6 +10,8 @@ * Authors: Alexander Graf <agraf@suse.de> */ +#include <linux/linkage.h> +#include <linux/objtool.h> #include <asm/ppc_asm.h> #include <asm/code-patching-asm.h> #include <asm/kvm_asm.h> @@ -1522,12 +1524,14 @@ kvm_flush_link_stack: /* Flush the link stack. On Power8 it's up to 32 entries in size. */ .rept 32 + ANNOTATE_INTRA_FUNCTION_CALL bl .+4 .endr /* And on Power9 it's up to 64. */ BEGIN_FTR_SECTION .rept 32 + ANNOTATE_INTRA_FUNCTION_CALL bl .+4 .endr END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300) @@ -2358,7 +2362,7 @@ hmi_realmode: * This routine calls kvmppc_read_intr, a C function, if an external * interrupt is pending. */ -kvmppc_check_wake_reason: +SYM_FUNC_START_LOCAL(kvmppc_check_wake_reason) mfspr r6, SPRN_SRR1 BEGIN_FTR_SECTION rlwinm r6, r6, 45-31, 0xf /* extract wake reason field (P8) */ @@ -2427,6 +2431,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S) addi r1, r1, PPC_MIN_STKFRM mtlr r0 blr +SYM_FUNC_END(kvmppc_check_wake_reason) /* * Save away FP, VMX and VSX registers. @@ -2434,7 +2439,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S) * N.B. r30 and r31 are volatile across this function, * thus it is not callable from C. */ -kvmppc_save_fp: +SYM_FUNC_START_LOCAL(kvmppc_save_fp) mflr r30 mr r31,r3 mfmsr r5 @@ -2462,6 +2467,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC) stw r6,VCPU_VRSAVE(r31) mtlr r30 blr +SYM_FUNC_END(kvmppc_save_fp) /* * Load up FP, VMX and VSX registers @@ -2469,7 +2475,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC) * N.B. r30 and r31 are volatile across this function, * thus it is not callable from C. */ -kvmppc_load_fp: +SYM_FUNC_START_LOCAL(kvmppc_load_fp) mflr r30 mr r31,r4 mfmsr r9 @@ -2498,6 +2504,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC) mtlr r30 mr r4,r31 blr +SYM_FUNC_END(kvmppc_load_fp) #ifdef CONFIG_PPC_TRANSACTIONAL_MEM /* @@ -2746,7 +2753,7 @@ kvmppc_bad_host_intr: * r9 has a vcpu pointer (in) * r0 is used as a scratch register */ -kvmppc_msr_interrupt: +SYM_FUNC_START_LOCAL(kvmppc_msr_interrupt) rldicl r0, r11, 64 - MSR_TS_S_LG, 62 cmpwi r0, 2 /* Check if we are in transactional state.. */ ld r11, VCPU_INTR_MSR(r9) @@ -2755,13 +2762,14 @@ kvmppc_msr_interrupt: li r0, 1 1: rldimi r11, r0, MSR_TS_S_LG, 63 - MSR_TS_T_LG blr +SYM_FUNC_END(kvmppc_msr_interrupt) /* * void kvmhv_load_guest_pmu(struct kvm_vcpu *vcpu) * * Load up guest PMU state. R3 points to the vcpu struct. */ -kvmhv_load_guest_pmu: +SYM_FUNC_START_LOCAL(kvmhv_load_guest_pmu) mr r4, r3 mflr r0 li r3, 1 @@ -2811,13 +2819,14 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S) isync mtlr r0 blr +SYM_FUNC_END(kvmhv_load_guest_pmu) /* * void kvmhv_load_host_pmu(void) * * Reload host PMU state saved in the PACA by kvmhv_save_host_pmu. */ -kvmhv_load_host_pmu: +SYM_FUNC_START_LOCAL(kvmhv_load_host_pmu) mflr r0 lbz r4, PACA_PMCINUSE(r13) /* is the host using the PMU? */ cmpwi r4, 0 @@ -2859,6 +2868,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S) isync mtlr r0 23: blr +SYM_FUNC_END(kvmhv_load_host_pmu) /* * void kvmhv_save_guest_pmu(struct kvm_vcpu *vcpu, bool pmu_in_use) @@ -2866,7 +2876,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S) * Save guest PMU state into the vcpu struct. * r3 = vcpu, r4 = full save flag (PMU in use flag set in VPA) */ -kvmhv_save_guest_pmu: +SYM_FUNC_START_LOCAL(kvmhv_save_guest_pmu) mr r9, r3 mr r8, r4 BEGIN_FTR_SECTION @@ -2942,6 +2952,7 @@ BEGIN_FTR_SECTION mtspr SPRN_MMCRS, r4 END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S) 22: blr +SYM_FUNC_END(kvmhv_save_guest_pmu) /* * This works around a hardware bug on POWER8E processors, where diff --git a/arch/powerpc/kvm/fpu.S b/arch/powerpc/kvm/fpu.S index 315c94946bad..b68e7f26a81f 100644 --- a/arch/powerpc/kvm/fpu.S +++ b/arch/powerpc/kvm/fpu.S @@ -6,6 +6,8 @@ */ #include <linux/pgtable.h> +#include <linux/linkage.h> + #include <asm/reg.h> #include <asm/page.h> #include <asm/mmu.h> @@ -110,18 +112,22 @@ FPS_THREE_IN(fsel) * R8 = (double*)¶m3 [load_three] * LR = instruction call function */ -fpd_load_three: +SYM_FUNC_START_LOCAL(fpd_load_three) lfd 2,0(r8) /* load param3 */ -fpd_load_two: +SYM_FUNC_START_LOCAL(fpd_load_two) lfd 1,0(r7) /* load param2 */ -fpd_load_one: +SYM_FUNC_START_LOCAL(fpd_load_one) lfd 0,0(r6) /* load param1 */ -fpd_load_none: +SYM_FUNC_START_LOCAL(fpd_load_none) lfd 3,0(r3) /* load up fpscr value */ MTFSF_L(3) lwz r6, 0(r4) /* load cr */ mtcr r6 blr +SYM_FUNC_END(fpd_load_none) +SYM_FUNC_END(fpd_load_one) +SYM_FUNC_END(fpd_load_two) +SYM_FUNC_END(fpd_load_three) /* * End of double instruction processing @@ -131,13 +137,14 @@ fpd_load_none: * R5 = (double*)&result * LR = caller of instruction call function */ -fpd_return: +SYM_FUNC_START_LOCAL(fpd_return) mfcr r6 stfd 0,0(r5) /* save result */ mffs 0 stfd 0,0(r3) /* save new fpscr value */ stw r6,0(r4) /* save new cr value */ blr +SYM_FUNC_END(fpd_return) /* * Double operation with no input operand |