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Date: Sun, 31 Oct 2021 05:18:20 +0800
From: kernel test robot <lkp@...el.com>
To: Will Deacon <will@...nel.org>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [arm-perf:kvm/mm-hacking 1/2]
drivers/irqchip/irq-gic-v3-its.c:2169:9: error: implicit declaration of
function 'set_memory_decrypted'
tree: https://git.kernel.org/pub/scm/linux/kernel/git/will/linux.git kvm/mm-hacking
head: dcd2a5d48eac9f3c59295a6bf24374f9692224aa
commit: f27856d7a406974029c677ab353c3f01f6970c0f [1/2] irqchip/gic-v3-its: Mark some in-memory data structures as 'decrypted'
config: arm-defconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://git.kernel.org/pub/scm/linux/kernel/git/will/linux.git/commit/?id=f27856d7a406974029c677ab353c3f01f6970c0f
git remote add arm-perf https://git.kernel.org/pub/scm/linux/kernel/git/will/linux.git
git fetch --no-tags arm-perf kvm/mm-hacking
git checkout f27856d7a406974029c677ab353c3f01f6970c0f
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=arm
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
drivers/irqchip/irq-gic-v3-its.c: In function 'gic_reset_prop_table':
>> drivers/irqchip/irq-gic-v3-its.c:2169:9: error: implicit declaration of function 'set_memory_decrypted' [-Werror=implicit-function-declaration]
2169 | set_memory_decrypted((unsigned long)va, LPI_PROPBASE_SZ >> PAGE_SHIFT);
| ^~~~~~~~~~~~~~~~~~~~
drivers/irqchip/irq-gic-v3-its.c: In function 'its_free_prop_table':
>> drivers/irqchip/irq-gic-v3-its.c:2189:9: error: implicit declaration of function 'set_memory_encrypted' [-Werror=implicit-function-declaration]
2189 | set_memory_encrypted(va, LPI_PROPBASE_SZ >> PAGE_SHIFT);
| ^~~~~~~~~~~~~~~~~~~~
In file included from include/linux/irqchip/arm-gic-v3.h:602,
from drivers/irqchip/irq-gic-v3-its.c:34:
drivers/irqchip/irq-gic-v3-its.c: In function 'its_allocate_pending_table':
arch/arm/include/asm/arch_gicv3.h:164:66: warning: passing argument 1 of 'cpu_cache.flush_kern_dcache_area' makes pointer from integer without a cast [-Wint-conversion]
164 | #define gic_flush_dcache_to_poc(a,l) __cpuc_flush_dcache_area((a), (l))
| ^~~
| |
| long unsigned int
drivers/irqchip/irq-gic-v3-its.c:2955:9: note: in expansion of macro 'gic_flush_dcache_to_poc'
2955 | gic_flush_dcache_to_poc(va, LPI_PENDBASE_SZ);
| ^~~~~~~~~~~~~~~~~~~~~~~
arch/arm/include/asm/arch_gicv3.h:164:66: note: expected 'void *' but argument is of type 'long unsigned int'
164 | #define gic_flush_dcache_to_poc(a,l) __cpuc_flush_dcache_area((a), (l))
| ^~~
drivers/irqchip/irq-gic-v3-its.c:2955:9: note: in expansion of macro 'gic_flush_dcache_to_poc'
2955 | gic_flush_dcache_to_poc(va, LPI_PENDBASE_SZ);
| ^~~~~~~~~~~~~~~~~~~~~~~
drivers/irqchip/irq-gic-v3-its.c: In function 'its_alloc_table_entry':
arch/arm/include/asm/arch_gicv3.h:164:66: warning: passing argument 1 of 'cpu_cache.flush_kern_dcache_area' makes pointer from integer without a cast [-Wint-conversion]
164 | #define gic_flush_dcache_to_poc(a,l) __cpuc_flush_dcache_area((a), (l))
| ^~~
| |
| long unsigned int
drivers/irqchip/irq-gic-v3-its.c:3298:25: note: in expansion of macro 'gic_flush_dcache_to_poc'
3298 | gic_flush_dcache_to_poc(l2addr, baser->psz);
| ^~~~~~~~~~~~~~~~~~~~~~~
arch/arm/include/asm/arch_gicv3.h:164:66: note: expected 'void *' but argument is of type 'long unsigned int'
164 | #define gic_flush_dcache_to_poc(a,l) __cpuc_flush_dcache_area((a), (l))
| ^~~
drivers/irqchip/irq-gic-v3-its.c:3298:25: note: in expansion of macro 'gic_flush_dcache_to_poc'
3298 | gic_flush_dcache_to_poc(l2addr, baser->psz);
| ^~~~~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
vim +/set_memory_decrypted +2169 drivers/irqchip/irq-gic-v3-its.c
2161
2162 static void gic_reset_prop_table(void *va)
2163 {
2164 /* Priority 0xa0, Group-1, disabled */
2165 memset(va, LPI_PROP_DEFAULT_PRIO | LPI_PROP_GROUP1, LPI_PROPBASE_SZ);
2166
2167 /* Make sure the GIC will observe the written configuration */
2168 gic_flush_dcache_to_poc(va, LPI_PROPBASE_SZ);
> 2169 set_memory_decrypted((unsigned long)va, LPI_PROPBASE_SZ >> PAGE_SHIFT);
2170 }
2171
2172 static struct page *its_allocate_prop_table(gfp_t gfp_flags)
2173 {
2174 struct page *prop_page;
2175
2176 prop_page = alloc_pages(gfp_flags, get_order(LPI_PROPBASE_SZ));
2177 if (!prop_page)
2178 return NULL;
2179
2180 gic_reset_prop_table(page_address(prop_page));
2181
2182 return prop_page;
2183 }
2184
2185 static void its_free_prop_table(struct page *prop_page)
2186 {
2187 unsigned long va = (unsigned long)page_address(prop_page);
2188
> 2189 set_memory_encrypted(va, LPI_PROPBASE_SZ >> PAGE_SHIFT);
2190 free_pages(va, get_order(LPI_PROPBASE_SZ));
2191 }
2192
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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