change wifi driver to cypress

hc

2024-01-05 071106ecf68c401173c58808b1cf5f68cc50d390

 kernel/arch/x86/include/asm/elf.h
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@@ -10,6 +10,7 @@
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 #include <asm/ptrace.h>
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 #include <asm/user.h>
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 #include <asm/auxvec.h>
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+#include <asm/fsgsbase.h>
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 typedef unsigned long elf_greg_t;
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@@ -19,8 +20,6 @@
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 typedef struct user_i387_struct elf_fpregset_t;
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 #ifdef __i386__
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-
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-typedef struct user_fxsr_struct elf_fpxregset_t;
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 #define R_386_NONE	0
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 #define R_386_32	1
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@@ -62,8 +61,7 @@
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 #define R_X86_64_PC16		13	/* 16 bit sign extended pc relative */
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 #define R_X86_64_8		14	/* Direct 8 bit sign extended  */
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 #define R_X86_64_PC8		15	/* 8 bit sign extended pc relative */
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-
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-#define R_X86_64_NUM		16
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+#define R_X86_64_PC64		24	/* Place relative 64-bit signed */
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 /*
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  * These are used to set parameters in the core dumps.
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@@ -205,7 +203,6 @@
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 #define ELF_CORE_COPY_REGS(pr_reg, regs)			\
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 do {								\
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-	unsigned long base;					\
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 	unsigned v;						\
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 	(pr_reg)[0] = (regs)->r15;				\
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 	(pr_reg)[1] = (regs)->r14;				\
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@@ -228,8 +225,8 @@
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 	(pr_reg)[18] = (regs)->flags;				\
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 	(pr_reg)[19] = (regs)->sp;				\
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 	(pr_reg)[20] = (regs)->ss;				\
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-	rdmsrl(MSR_FS_BASE, base); (pr_reg)[21] = base;		\
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-	rdmsrl(MSR_KERNEL_GS_BASE, base); (pr_reg)[22] = base;	\
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+	(pr_reg)[21] = x86_fsbase_read_cpu();			\
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+	(pr_reg)[22] = x86_gsbase_read_cpu_inactive();		\
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 	asm("movl %%ds,%0" : "=r" (v)); (pr_reg)[23] = v;	\
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 	asm("movl %%es,%0" : "=r" (v)); (pr_reg)[24] = v;	\
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 	asm("movl %%fs,%0" : "=r" (v)); (pr_reg)[25] = v;	\
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@@ -282,9 +279,29 @@
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 /*
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  * An executable for which elf_read_implies_exec() returns TRUE will
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  * have the READ_IMPLIES_EXEC personality flag set automatically.
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+ *
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+ * The decision process for determining the results are:
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+ *
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+ *                 CPU: | lacks NX*  | has NX, ia32     | has NX, x86_64 |
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+ * ELF:                 |            |                  |                |
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+ * ---------------------|------------|------------------|----------------|
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+ * missing PT_GNU_STACK | exec-all   | exec-all         | exec-none      |
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+ * PT_GNU_STACK == RWX  | exec-stack | exec-stack       | exec-stack     |
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+ * PT_GNU_STACK == RW   | exec-none  | exec-none        | exec-none      |
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+ *
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+ *  exec-all  : all PROT_READ user mappings are executable, except when
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+ *              backed by files on a noexec-filesystem.
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+ *  exec-none : only PROT_EXEC user mappings are executable.
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+ *  exec-stack: only the stack and PROT_EXEC user mappings are executable.
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+ *
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+ *  *this column has no architectural effect: NX markings are ignored by
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+ *   hardware, but may have behavioral effects when "wants X" collides with
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+ *   "cannot be X" constraints in memory permission flags, as in
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+ *   https://lkml.kernel.org/r/20190418055759.GA3155@mellanox.com
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+ *
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  */
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 #define elf_read_implies_exec(ex, executable_stack)	\
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-	(executable_stack != EXSTACK_DISABLE_X)
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+	(mmap_is_ia32() && executable_stack == EXSTACK_DEFAULT)
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 struct task_struct;
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