Subject: Re: linux-next: Tree for Aug 7

From: "Gustavo A. R. Silva" <[email-masked]>
Date: Thu, 8 Aug 2019 10:54:21 -0500

Hi Michael,

On 8/8/19 12:13 AM, Michael Ellerman wrote:
> 
> This is still popping a few implicit fallthrough warnings, from various
> configs:
> 
>     arch/arm64/include/asm/kvm_hyp.h:31:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     arch/arm64/include/asm/sysreg.h:808:2: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     arch/arm64/kvm/hyp/debug-sr.c:20:19: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     arch/arm64/kvm/hyp/debug-sr.c:21:19: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     arch/arm64/kvm/hyp/debug-sr.c:22:19: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     arch/arm64/kvm/hyp/debug-sr.c:23:19: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     arch/arm64/kvm/hyp/debug-sr.c:24:19: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     arch/arm64/kvm/hyp/debug-sr.c:25:19: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     arch/arm64/kvm/hyp/debug-sr.c:26:18: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     arch/arm64/kvm/hyp/debug-sr.c:27:18: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     arch/arm64/kvm/hyp/debug-sr.c:28:18: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     arch/arm64/kvm/hyp/debug-sr.c:29:18: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     arch/arm64/kvm/hyp/debug-sr.c:30:18: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     arch/arm64/kvm/hyp/debug-sr.c:31:18: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     arch/arm64/kvm/hyp/debug-sr.c:32:18: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     arch/arm64/kvm/hyp/debug-sr.c:33:18: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     arch/arm64/kvm/hyp/debug-sr.c:34:18: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     arch/arm64/kvm/hyp/../../../../virt/kvm/arm/hyp/vgic-v3-sr.c:351:24: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     arch/arm64/kvm/hyp/../../../../virt/kvm/arm/hyp/vgic-v3-sr.c:353:24: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     arch/arm64/kvm/hyp/../../../../virt/kvm/arm/hyp/vgic-v3-sr.c:361:24: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     arch/arm64/kvm/hyp/../../../../virt/kvm/arm/hyp/vgic-v3-sr.c:363:24: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     arch/arm64/kvm/hyp/../../../../virt/kvm/arm/hyp/vgic-v3-sr.c:384:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     arch/arm64/kvm/hyp/../../../../virt/kvm/arm/hyp/vgic-v3-sr.c:386:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     arch/arm64/kvm/hyp/../../../../virt/kvm/arm/hyp/vgic-v3-sr.c:394:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     arch/arm64/kvm/hyp/../../../../virt/kvm/arm/hyp/vgic-v3-sr.c:396:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     arch/mips/include/asm/octeon/cvmx-sli-defs.h:47:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     arch/nds32/kernel/signal.c:315:7: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     arch/nds32/kernel/signal.c:362:20: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:279:3: error: implicit declaration of function 'readq' [-Werror=implicit-function-declaration]
>     drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:279:9: error: implicit declaration of function 'readq'; did you mean 'readl'? [-Werror=implicit-function-declaration]
>     drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:279:9: error: implicit declaration of function 'readq' [-Werror=implicit-function-declaration]
>     drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:298:3: error: implicit declaration of function 'writeq'; did you mean 'writel'? [-Werror=implicit-function-declaration]
>     drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:298:3: error: implicit declaration of function 'writeq' [-Werror=implicit-function-declaration]
>     drivers/gpu/drm/sun4i/sun4i_tcon.c:318:7: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c:993:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     drivers/iommu/arm-smmu-v3.c:1189:7: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     drivers/misc/lkdtm/bugs.c:279:8: error: implicit declaration of function 'native_read_cr4' [-Werror=implicit-function-declaration]
>     drivers/misc/lkdtm/bugs.c:288:2: error: implicit declaration of function 'native_write_cr4' [-Werror=implicit-function-declaration]
>     drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c:551:41: warning: overflow in implicit constant conversion [-Woverflow]
>     drivers/scsi/ncr53c8xx.c:3908:7: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     drivers/scsi/ncr53c8xx.c:3914:7: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     drivers/scsi/ncr53c8xx.c:3917:18: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     drivers/scsi/ncr53c8xx.c:6713:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     drivers/soc/qcom/socinfo.c:231:2: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     drivers/soc/qcom/socinfo.c:323:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     drivers/soc/qcom/socinfo.c:331:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     drivers/soc/qcom/socinfo.c:341:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     drivers/soc/qcom/socinfo.c:348:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     drivers/soc/qcom/socinfo.c:354:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     drivers/soc/qcom/socinfo.c:360:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     drivers/soc/qcom/socinfo.c:366:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     drivers/video/fbdev/sh_mobile_lcdcfb.c:1596:22: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     drivers/video/fbdev/sh_mobile_lcdcfb.c:2086:22: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     include/linux/printk.h:309:2: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     include/math-emu/op-common.h:310:11: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     include/math-emu/op-common.h:320:11: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     include/math-emu/op-common.h:417:11: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     include/math-emu/op-common.h:430:11: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     include/math-emu/soft-fp.h:124:8: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     mm/hmm.c:745:9: error: implicit declaration of function 'pud_pfn' [-Werror=implicit-function-declaration]
> 

There are already patches applied for the vast majority of these warnings. For some reason
they haven't been included in -next yet.

Thank you for the report.
--
Gustavo