The patch titled
x86: only compile floppy driver if CONFIG_ISA_DMA_API is enabled
has been added to the -mm tree. Its filename is
x86-only-compile-floppy-driver-if-config_isa_dma_api-is-enabled.patch
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------------------------------------------------------
Subject: x86: only compile floppy driver if CONFIG_ISA_DMA_API is enabled
From: David Rientjes <rientjes@xxxxxxxxxx>
The generic floppy disk driver utilizies the interface provided by
CONFIG_ISA_DMA_API, specifically claim_dma_lock(), release_dma_lock(),
request_dma(), and free_dma(). Thus, there's a strict dependency on the
config option and the driver should only be loaded if the kernel supports
ISA-style DMA.
Signed-off-by: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Bjorn Helgaas <bjorn.helgaas@xxxxxx>
Cc: Russell King <linux@xxxxxxxxxxxxxxxx>
Cc: "Luck, Tony" <tony.luck@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/x86/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN arch/x86/Kconfig~x86-only-compile-floppy-driver-if-config_isa_dma_api-is-enabled arch/x86/Kconfig
--- a/arch/x86/Kconfig~x86-only-compile-floppy-driver-if-config_isa_dma_api-is-enabled
+++ a/arch/x86/Kconfig
@@ -140,7 +140,7 @@ config GENERIC_GPIO
bool
config ARCH_MAY_HAVE_PC_FDC
- def_bool y
+ def_bool ISA_DMA_API
config RWSEM_GENERIC_SPINLOCK
def_bool !X86_XADD
_
Patches currently in -mm which might be from rientjes@xxxxxxxxxx are
x86-numa-add-error-handling-for-bad-cpu-to-node-mappings.patch
oom-suppress-nodes-that-are-not-allowed-from-meminfo-on-oom-kill.patch
oom-suppress-show_mem-for-many-nodes-in-irq-context-on-page-alloc-failure.patch
oom-suppress-nodes-that-are-not-allowed-from-meminfo-on-page-alloc-failure.patch
pnp-only-assign-ioresource_dma-if-config_isa_dma_api-is-enabled.patch
x86-only-compile-8237a-if-config_isa_dma_api-is-enabled.patch
x86-only-compile-floppy-driver-if-config_isa_dma_api-is-enabled.patch
x86-allow-config_isa_dma_api-to-be-disabled.patch
jbd-remove-dependency-on-__gfp_nofail.patch
memcg-res_counter_read_u64-fix-potential-races-on-32-bit-machines.patch
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