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Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

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* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86: add linux kernel support for YMM state
  x86: fix wrong section of pat_disable & make it static
  x86: Fix section mismatches in mpparse
  x86: fix set_fixmap to use phys_addr_t
  x86: Document get_user_pages_fast()
  x86, intr-remap: fix eoi for interrupt remapping without x2apic
This commit is contained in:
Linus Torvalds
2009-04-13 11:32:09 -07:00
parent 8255309b88 a30469e792
commit b8256b45d1
10 changed files with 57 additions and 19 deletions
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6
arch/x86/include/asm/io.h
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@@ -193,8 +193,10 @@ extern void __iomem *ioremap_wc(resource_size_t offset, unsigned long size);
*/
extern void early_ioremap_init(void);
extern void early_ioremap_reset(void);
extern void __iomem *early_ioremap(unsigned long offset, unsigned long size);
extern void __iomem *early_memremap(unsigned long offset, unsigned long size);
extern void __iomem *early_ioremap(resource_size_t phys_addr,
unsigned long size);
extern void __iomem *early_memremap(resource_size_t phys_addr,
unsigned long size);
extern void early_iounmap(void __iomem *addr, unsigned long size);
#define IO_SPACE_LIMIT 0xffff

6
arch/x86/include/asm/processor.h
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@@ -352,6 +352,11 @@ struct i387_soft_struct {
u32 entry_eip;
};
struct ymmh_struct {
/* 16 * 16 bytes for each YMMH-reg = 256 bytes */
u32 ymmh_space[64];
};
struct xsave_hdr_struct {
u64 xstate_bv;
u64 reserved1[2];
@@ -361,6 +366,7 @@ struct xsave_hdr_struct {
struct xsave_struct {
struct i387_fxsave_struct i387;
struct xsave_hdr_struct xsave_hdr;
struct ymmh_struct ymmh;
/* new processor state extensions will go here */
} __attribute__ ((packed, aligned (64)));

6
arch/x86/include/asm/sigcontext.h
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@@ -269,6 +269,11 @@ struct _xsave_hdr {
__u64 reserved2[5];
};
struct _ymmh_state {
/* 16 * 16 bytes for each YMMH-reg */
__u32 ymmh_space[64];
};
/*
* Extended state pointed by the fpstate pointer in the sigcontext.
* In addition to the fpstate, information encoded in the xstate_hdr
@@ -278,6 +283,7 @@ struct _xsave_hdr {
struct _xstate {
struct _fpstate fpstate;
struct _xsave_hdr xstate_hdr;
struct _ymmh_state ymmh;
/* new processor state extensions go here */
};

3
arch/x86/include/asm/xsave.h
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@@ -7,6 +7,7 @@
#define XSTATE_FP 0x1
#define XSTATE_SSE 0x2
#define XSTATE_YMM 0x4
#define XSTATE_FPSSE (XSTATE_FP | XSTATE_SSE)
@@ -15,7 +16,7 @@
/*
* These are the features that the OS can handle currently.
*/
#define XCNTXT_MASK (XSTATE_FP | XSTATE_SSE)
#define XCNTXT_MASK (XSTATE_FP | XSTATE_SSE | XSTATE_YMM)
#ifdef CONFIG_X86_64
#define REX_PREFIX "0x48, "