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| author | Kyle McMartin <kyle@dreadnought.i.jkkm.org> | 2010-09-01 16:21:51 -0400 |
|---|---|---|
| committer | Kyle McMartin <kyle@dreadnought.i.jkkm.org> | 2010-09-01 16:21:51 -0400 |
| commit | 3de7ad47f321d24e60efaebe1674ac57e363faed (patch) | |
| tree | 3cb6d449de174739861ebdb37047024ea1e104d1 /fix-icebp-breakpoints.patch | |
| parent | 07d33223125db2a9a5d6941a13b1e766f5e788ec (diff) | |
| download | kernel-3de7ad47f321d24e60efaebe1674ac57e363faed.tar.gz kernel-3de7ad47f321d24e60efaebe1674ac57e363faed.tar.xz kernel-3de7ad47f321d24e60efaebe1674ac57e363faed.zip | |
fix icebp breakpoints
Diffstat (limited to 'fix-icebp-breakpoints.patch')
| -rw-r--r-- | fix-icebp-breakpoints.patch | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/fix-icebp-breakpoints.patch b/fix-icebp-breakpoints.patch new file mode 100644 index 000000000..a84994df3 --- /dev/null +++ b/fix-icebp-breakpoints.patch @@ -0,0 +1,50 @@ +From: Frederic Weisbecker <fweisbec@gmail.com> + +https://bugzilla.kernel.org/show_bug.cgi?id=16315#c26 +http://bugs.winehq.org/show_bug.cgi?id=23323 + +diff --git a/arch/x86/include/asm/hw_breakpoint.h b/arch/x86/include/asm/hw_breakpoint.h +index 528a11e..824ca07 100644 +--- a/arch/x86/include/asm/hw_breakpoint.h ++++ b/arch/x86/include/asm/hw_breakpoint.h +@@ -20,7 +20,7 @@ struct arch_hw_breakpoint { + #include <linux/list.h> + + /* Available HW breakpoint length encodings */ +-#define X86_BREAKPOINT_LEN_X 0x00 ++#define X86_BREAKPOINT_LEN_X 0x40 + #define X86_BREAKPOINT_LEN_1 0x40 + #define X86_BREAKPOINT_LEN_2 0x44 + #define X86_BREAKPOINT_LEN_4 0x4c +diff --git a/arch/x86/kernel/hw_breakpoint.c b/arch/x86/kernel/hw_breakpoint.c +index a474ec3..71123b1 100644 +--- a/arch/x86/kernel/hw_breakpoint.c ++++ b/arch/x86/kernel/hw_breakpoint.c +@@ -208,9 +208,6 @@ int arch_bp_generic_fields(int x86_len, int x86_type, + { + /* Len */ + switch (x86_len) { +- case X86_BREAKPOINT_LEN_X: +- *gen_len = sizeof(long); +- break; + case X86_BREAKPOINT_LEN_1: + *gen_len = HW_BREAKPOINT_LEN_1; + break; +@@ -233,6 +230,7 @@ int arch_bp_generic_fields(int x86_len, int x86_type, + switch (x86_type) { + case X86_BREAKPOINT_EXECUTE: + *gen_type = HW_BREAKPOINT_X; ++ *gen_len = sizeof(long); + break; + case X86_BREAKPOINT_WRITE: + *gen_type = HW_BREAKPOINT_W; +@@ -316,9 +314,6 @@ int arch_validate_hwbkpt_settings(struct perf_event *bp) + ret = -EINVAL; + + switch (info->len) { +- case X86_BREAKPOINT_LEN_X: +- align = sizeof(long) -1; +- break; + case X86_BREAKPOINT_LEN_1: + align = 0; + break; |