tree: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next-test head: 81291383ffde08b23bce75e7d6b2575ce9d3475c commit: 01116e6e98b08ab0641fa516ddafb1b1b2088e64 [31/71] powerpc/fsl_booke: Take exec flag into account when setting TLBCAMs config: powerpc-ge_imp3a_defconfig (attached as .config) compiler: powerpc-linux-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/powerpc/linux.git/commit/?id=01116e6e98b08ab0641fa516ddafb1b1b2088e64 git remote add powerpc https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git git fetch --no-tags powerpc next-test git checkout 01116e6e98b08ab0641fa516ddafb1b1b2088e64 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=powerpc SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <l...@intel.com>
Note: the powerpc/next-test HEAD 81291383ffde08b23bce75e7d6b2575ce9d3475c
builds fine.
It only hurts bisectability.
All errors (new ones prefixed by >>):
arch/powerpc/mm/nohash/fsl_book3e.c:63:15: error: no previous prototype for
'tlbcam_sz' [-Werror=missing-prototypes]
63 | unsigned long tlbcam_sz(int idx)
| ^~~~~~~~~
arch/powerpc/mm/nohash/fsl_book3e.c: In function 'settlbcam':
>> arch/powerpc/mm/nohash/fsl_book3e.c:126:40: error: '_PAGE_BAP_SX' undeclared
>> (first use in this function)
126 | TLBCAM[index].MAS3 |= (flags & _PAGE_BAP_SX) ? MAS3_SX : 0;
| ^~~~~~~~~~~~
arch/powerpc/mm/nohash/fsl_book3e.c:126:40: note: each undeclared identifier
is reported only once for each function it appears in
cc1: all warnings being treated as errors
vim +/_PAGE_BAP_SX +126 arch/powerpc/mm/nohash/fsl_book3e.c
62
> 63 unsigned long tlbcam_sz(int idx)
64 {
65 return tlbcam_addrs[idx].limit - tlbcam_addrs[idx].start + 1;
66 }
67
68 #ifdef CONFIG_FSL_BOOKE
69 /*
70 * Return PA for this VA if it is mapped by a CAM, or 0
71 */
72 phys_addr_t v_block_mapped(unsigned long va)
73 {
74 int b;
75 for (b = 0; b < tlbcam_index; ++b)
76 if (va >= tlbcam_addrs[b].start && va <
tlbcam_addrs[b].limit)
77 return tlbcam_addrs[b].phys + (va -
tlbcam_addrs[b].start);
78 return 0;
79 }
80
81 /*
82 * Return VA for a given PA or 0 if not mapped
83 */
84 unsigned long p_block_mapped(phys_addr_t pa)
85 {
86 int b;
87 for (b = 0; b < tlbcam_index; ++b)
88 if (pa >= tlbcam_addrs[b].phys
89 && pa <
(tlbcam_addrs[b].limit-tlbcam_addrs[b].start)
90 +tlbcam_addrs[b].phys)
91 return
tlbcam_addrs[b].start+(pa-tlbcam_addrs[b].phys);
92 return 0;
93 }
94 #endif
95
96 /*
97 * Set up a variable-size TLB entry (tlbcam). The parameters are not
checked;
98 * in particular size must be a power of 4 between 4k and the max
supported by
99 * an implementation; max may further be limited by what can be
represented in
100 * an unsigned long (for example, 32-bit implementations cannot support
a 4GB
101 * size).
102 */
103 static void settlbcam(int index, unsigned long virt, phys_addr_t phys,
104 unsigned long size, unsigned long flags, unsigned int
pid)
105 {
106 unsigned int tsize;
107
108 tsize = __ilog2(size) - 10;
109
110 #if defined(CONFIG_SMP) || defined(CONFIG_PPC_E500MC)
111 if ((flags & _PAGE_NO_CACHE) == 0)
112 flags |= _PAGE_COHERENT;
113 #endif
114
115 TLBCAM[index].MAS0 = MAS0_TLBSEL(1) | MAS0_ESEL(index) |
MAS0_NV(index+1);
116 TLBCAM[index].MAS1 = MAS1_VALID | MAS1_IPROT |
MAS1_TSIZE(tsize) | MAS1_TID(pid);
117 TLBCAM[index].MAS2 = virt & PAGE_MASK;
118
119 TLBCAM[index].MAS2 |= (flags & _PAGE_WRITETHRU) ? MAS2_W : 0;
120 TLBCAM[index].MAS2 |= (flags & _PAGE_NO_CACHE) ? MAS2_I : 0;
121 TLBCAM[index].MAS2 |= (flags & _PAGE_COHERENT) ? MAS2_M : 0;
122 TLBCAM[index].MAS2 |= (flags & _PAGE_GUARDED) ? MAS2_G : 0;
123 TLBCAM[index].MAS2 |= (flags & _PAGE_ENDIAN) ? MAS2_E : 0;
124
125 TLBCAM[index].MAS3 = (phys & MAS3_RPN) | MAS3_SR;
> 126 TLBCAM[index].MAS3 |= (flags & _PAGE_BAP_SX) ? MAS3_SX : 0;
127 TLBCAM[index].MAS3 |= (flags & _PAGE_RW) ? MAS3_SW : 0;
128 if (mmu_has_feature(MMU_FTR_BIG_PHYS))
129 TLBCAM[index].MAS7 = (u64)phys >> 32;
130
131 /* Below is unlikely -- only for large user pages or similar */
132 if (pte_user(__pte(flags))) {
133 TLBCAM[index].MAS3 |= MAS3_UR;
134 TLBCAM[index].MAS3 |= (flags & _PAGE_EXEC) ? MAS3_UX :
0;
135 TLBCAM[index].MAS3 |= (flags & _PAGE_RW) ? MAS3_UW : 0;
136 }
137
138 tlbcam_addrs[index].start = virt;
139 tlbcam_addrs[index].limit = virt + size - 1;
140 tlbcam_addrs[index].phys = phys;
141 }
142
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
Description: application/gzip
