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[dev][virtio] remove some extraneous __PACKED attributes

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From working with -Wpacked its clear that some of the virtio
structures are overly packed and result in bad codegen on particular
architectures such as riscv. Roll back from using packed but
statically assert that the sizes are correct for some future arch
where things naturally pack differently.
This commit is contained in:
Travis Geiselbrecht
2020-07-25 20:04:21 -07:00
parent ba530722f5
commit 1272d037aa
3 changed files with 9 additions and 5 deletions
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2
engine.mk
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@@ -56,7 +56,7 @@ CONFIGHEADER := $(BUILDDIR)/config.h
GLOBAL_INCLUDES := $(BUILDDIR) $(addsuffix /include,$(LKINC))
GLOBAL_OPTFLAGS ?= $(ARCH_OPTFLAGS)
GLOBAL_COMPILEFLAGS := -g -include $(CONFIGHEADER)
GLOBAL_COMPILEFLAGS += -W -Wall -Werror=return-type -Wshadow -Wdouble-promotion
GLOBAL_COMPILEFLAGS += -Wextra -Wall -Werror=return-type -Wshadow -Wdouble-promotion
GLOBAL_COMPILEFLAGS += -Wno-multichar -Wno-unused-parameter -Wno-unused-function -Wno-unused-label -Wno-nonnull-compare
GLOBAL_COMPILEFLAGS += -fno-common
GLOBAL_CFLAGS := --std=gnu11 -Werror-implicit-function-declaration -Wstrict-prototypes -Wwrite-strings