[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH 4/5] block: remove ARCH_BIOVEC_PHYS_MERGEABLE
Take the Xen check into the core code instead of delegating it to the architectures. Signed-off-by: Christoph Hellwig <hch@xxxxxx> --- arch/arm/include/asm/io.h | 3 --- arch/arm64/include/asm/io.h | 3 --- arch/x86/include/asm/io.h | 3 --- block/blk.h | 7 ++----- drivers/xen/biomerge.c | 2 +- 5 files changed, 3 insertions(+), 15 deletions(-) diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h index cf5cd88e7289..6ae7674da0d6 100644 --- a/arch/arm/include/asm/io.h +++ b/arch/arm/include/asm/io.h @@ -459,9 +459,6 @@ extern void pci_iounmap(struct pci_dev *dev, void __iomem *addr); #include <asm-generic/io.h> -#define ARCH_BIOVEC_PHYS_MERGEABLE(vec1, vec2) \ - (!xen_domain() || xen_biovec_phys_mergeable(vec1, vec2)) - #ifdef CONFIG_MMU #define ARCH_HAS_VALID_PHYS_ADDR_RANGE extern int valid_phys_addr_range(phys_addr_t addr, size_t size); diff --git a/arch/arm64/include/asm/io.h b/arch/arm64/include/asm/io.h index 06119ee511cd..18f6ae6a43f1 100644 --- a/arch/arm64/include/asm/io.h +++ b/arch/arm64/include/asm/io.h @@ -205,8 +205,5 @@ extern int valid_mmap_phys_addr_range(unsigned long pfn, size_t size); extern int devmem_is_allowed(unsigned long pfn); -#define ARCH_BIOVEC_PHYS_MERGEABLE(vec1, vec2) \ - (!xen_domain() || xen_biovec_phys_mergeable(vec1, vec2)) - #endif /* __KERNEL__ */ #endif /* __ASM_IO_H */ diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h index abdb501a551d..232d8e9ee8a0 100644 --- a/arch/x86/include/asm/io.h +++ b/arch/x86/include/asm/io.h @@ -371,9 +371,6 @@ extern bool is_early_ioremap_ptep(pte_t *ptep); #ifdef CONFIG_XEN #include <xen/xen.h> - -#define ARCH_BIOVEC_PHYS_MERGEABLE(vec1, vec2) \ - (!xen_domain() || xen_biovec_phys_mergeable(vec1, vec2)) #endif /* CONFIG_XEN */ #define IO_SPACE_LIMIT 0xffff diff --git a/block/blk.h b/block/blk.h index 50f74ce60453..58c030f727e9 100644 --- a/block/blk.h +++ b/block/blk.h @@ -4,6 +4,7 @@ #include <linux/idr.h> #include <linux/blk-mq.h> +#include <xen/xen.h> #include "blk-mq.h" /* Amount of time in which a process may batch requests */ @@ -149,10 +150,6 @@ static inline void blk_queue_enter_live(struct request_queue *q) percpu_ref_get(&q->q_usage_counter); } -#ifndef ARCH_BIOVEC_PHYS_MERGEABLE -#define ARCH_BIOVEC_PHYS_MERGEABLE(vec1, vec2) true -#endif - static inline bool biovec_phys_mergeable(struct request_queue *q, struct bio_vec *vec1, struct bio_vec *vec2) { @@ -162,7 +159,7 @@ static inline bool biovec_phys_mergeable(struct request_queue *q, if (addr1 + vec1->bv_len != addr2) return false; - if (!ARCH_BIOVEC_PHYS_MERGEABLE(vec1, vec2)) + if (xen_domain() && !xen_biovec_phys_mergeable(vec1, vec2)) return false; if ((addr1 | mask) != ((addr2 + vec2->bv_len - 1) | mask)) return false; diff --git a/drivers/xen/biomerge.c b/drivers/xen/biomerge.c index 399c4e30f723..f3fbb700f569 100644 --- a/drivers/xen/biomerge.c +++ b/drivers/xen/biomerge.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 #include <linux/bio.h> -#include <linux/io.h> #include <linux/export.h> +#include <xen/xen.h> #include <xen/page.h> bool xen_biovec_phys_mergeable(const struct bio_vec *vec1, -- 2.19.0 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxxx https://lists.xenproject.org/mailman/listinfo/xen-devel
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